UbiComp 2021
as the organisers put it
September 21 -- 26 All Over the World UbiComp is a premier interdisciplinary venue in which leading international researchers, designers, developers, and practitioners in the field present and discuss novel results in all aspects of ubiquitous and pervasive computing. This includes the design, development, and deployment
| title | author | length |
|---|---|---|
| Investigating Retention in Passive Haptic Learning of Piano Songs | Rumen Donchev, Erik Pescara, Michael Beigl | 06m |
20 participants learn two 10-note sequences on a keyboard with a motorized glove; one sequence learned actively, the other via a 20-minute passive rehearsal… | ||
| Pantomime: Mid-Air Gesture Recognition with Sparse Millimeter-Wave Radar Point Clouds | Sameera Palipana, Dariush Salami, Luis A. Leiva, Stephan Sigg | 06m |
A mid-range FMCW radar is configured to output sparse 3D point clouds and a neural pipeline (PointNet++ per frame + LSTM temporal fusion) classifies 21 gesture… | ||
| HERMAS: A Human Mobility Embedding Framework with Large-scale Cellular Signaling Data | Yiwei Song, Dongzhe Jiang, Yunhuai Liu, Zhou Qin, Chang Tan, Desheng Zhang | 07m |
HERMAS learns city-scale mobility embeddings from a 30-day cellular signaling dataset with 130,612 users and 2,369,267 trajectories, using a two-stage tower… | ||
| Teacher Tracking with Integrity: What Indoor Positioning Can Reveal About Instructional Proxemics | Roberto Martinez-Maldonado, Katerina Mangaroska, Jurgen Schulte, Doug Elliott, Carmen Axisa, Simon Buckingham Shum | 06m |
Study captures positioning from Pozym.io tags across 28 classes, 10 university teachers in three spaces (design, nursing simulation, physics lab) and converts… | ||
| SoundLip: EnablingWord and Sentence-level Lip Interaction for Smart Devices | Qian Zhang, Dong Wang, Run Zhao, Yinggang Yu | 06m |
SoundLip uses a phone’s speaker to emit ultrasound sensing and the microphone to capture reflections from moving lips, then preprocesses phase and amplitude… | ||
| Mapping and Taking Stock of the Personal Informatics Literature | Daniel A. Epstein, Clara Caldeira, Mayara Costa Figueiredo, Xi Lu, Lucas M. Silva, Lucretia Williams, Jong Ho Lee, Qingyang Li, Simran Ahuja, Qiuer Chen, Payam Dowlatyari, Craig Hilby, Sazeda Sultana, Elizabeth V. Eikey, Yunan Chen | 06m |
The paper maps and labels 523 papers from ACM, IEEE, and PubMed and finds 83% health and wellness focus with nearly half of those on physical activity… | ||
| RF-Identity: Non-Intrusive Person Identification Based on Commodity RFID Devices | Chao Feng, Jie Xiong, Liqiong Chang, Fuwei Wang, Ju Wang, Dingyi Fang | 06m |
RF-Identity is an RFID system that fuses walking-pattern features from a two-path channel network with body-shape features extracted from RTI tomographic… | ||
| WiPhone: Smartphone-based Respiration Monitoring Using Ambient Reflected WiFi Signals. | Jinyu Liu, Youwei Zeng, Tao Gu, Leye Wang, Daqing Zhang | 06m |
WiPhone is a smartphone implementation that uses ambient reflected WiFi CSI to estimate chest displacement and respiration rate, running on a Google Nexus 5… | ||
| Write, Attend and Spell: Streaming End-to-end Free-style Handwriting Recognition Using Smartwatches | Qian Zhang, Dong Wang, Run Zhao, Yinggang Yu, Jiazhen Jing | 06m |
A smartwatch system captures accelerometer, gyroscope and gravity signals and runs on an Android prototype to map motion to whole words using a multimodal CNN… | ||
| Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant ... | Rebecca Adaimi, Howard Yong, Edison Thomaz | 07m |
An add-on using a Raspberry Pi and ReSpeaker 4-mic array records only when Google Home lights indicate interaction and feeds 64-bin log-mel spectrograms into a… | ||
| Leveraging Collaborative-Filtering for Personalized Behavior Modeling: A Case Study of ... | Xuhai Xu, Prerna Chikersal, Janine M. Dutcher, Yasaman S. Sefidgar, Woosuk Seo, Michael J. Tumminia, Daniella K. Villalba, Sheldon Cohen, Kasey G. Creswell, J.David Creswell, Afsaneh Doryab, Paula S. Nurius, Eve Riskin, Anind K. Dey, Jennifer Mankoff | 06m |
A memory-based collaborative-filtering method personalizes depression detection by building a relevance matrix from passively sensed features and using the… | ||
| ShaZam: Charge-FreeWearable Devices via Intra-Body Power Transfer from Everyday Objects | Noor Mohammed, Rui Wang, Robert W. Jackson, Yeonsik Noh, Jeremy Gummeson, Sunghoon Ivan Lee | 06m |
ShaZam implements capacitive intra-body RF power transfer: a compact transmitter mounted on everyday objects and a batteryless wrist receiver with a charge… | ||
| RF-ray: Joint RF and Linguistics Domain Learning for Object Recognition | Han Ding, Linwei Zhai, Cui Zhao, Songjiang Hou, Ge Wang, Wei Xi, Jizhong Zhao, Yihong Gong | 06m |
System uses an Impinj reader, one antenna and 7×7 tag array of 49 UHF passive tags, collecting RSS and phase across 7 frequencies and 6 power settings; a… | ||
| VeriMask: Facilitating Decontamination of N95 Masks in the COVID-19 Pandemic: Challenges, ... | Yan Long, Alexander Curtiss, Sara Rampazzi, Josiah Hester, Kevin Fu | 01m |
VeriMask is an open-source wireless sensor platform that provides per-mask verification of moist-heat N95 decontamination using low-cost sensor nodes and an… | ||
| Outliers in Smartphone Sensor Data Reveal Outliers in Daily Happiness | Teodora Sandra Buda, Mohammed Khwaja, Aleksander Matic | 06m |
Smartphone sensor readings are converted into per-user outlier encoding (lower/regular/upper) and the daily happiness label is also encoded per-person, then… | ||
| EchoSpot: Spotting Your Locations via Acoustic Sensing | Jie Lian, Jiadong Lou, Li Chen, Xu Yuan | 06m |
EchoSpot implements an indoor locator that uses single speaker + single microphone devices such as Amazon Echo Edifier R1280DB and Logitech z200 to emit FMCW… | ||
| Hello There! Is Now a Good Time to Talk?: Opportune Moments for Proactive Conversational Interaction | Narae Cha, Auk Kim, Cheul Young Park, Soowon Kang, Mingyu Park, Jae-Gil Lee, Sangsu Lee, Uichin Lee | 05m |
Built a voice-based experience-sampling device asks “Is now a good time to talk?” during a one-week field study with 40 dorm residents and collects 3,572… | ||
| GAN-based Style Transformation to Improve Gesture-recognition Accuracy | Noeru Suzuki, Yuki Watanabe, Atsushi Nakazawa | 06m |
A GAN-based style transformer synthesizes missing personal gesture samples by performing intra- and inter-user transformations and trains personal classifiers… | ||
| Self-supervised Learning for Reading Activity Classification | Md. Rabiul Islam, Shuji Sakamoto, Yoshihiro Yamada, Andrew W. Vargo, Motoi Iwata, Masakazu Iwamura, Koichi Kise | 06m |
Claims a self-supervised pipeline—self-supervised pretraining and fine-tuning—that uses large unlabeled sensor recordings and small labeled sets to classify… | ||
| MorphingCircuit: An Integrated Design, Simulation, and Fabrication Workflow for Self-morphing ... | Guanyun Wang, Fang Qin, Haolin Liu, Ye Tao, Yang Zhang, Yongjie Jessica Zhang, Lining Yao | 06m |
An end-to-end pipeline prints flat substrates, places standard SMT parts into sinks, screen-prints conductive traces, then triggers shape change by heating so… | ||
| Ray Tracing-based Light Energy Prediction for Indoor Batteryless Sensors | Daeyong Kim, JunIck Ahn, Jun Shin, Hojung Cha | 06m |
Solacle predicts indoor light-harvesting capability at any location by combining ray tracing with a gradient-free optimization that fits room optical… | ||
| SelfHAR: Improving Human Activity Recognition through Self-training with Unlabeled Data | Chi Ian Tang, Ignacio Perez-Pozuelo, Dimitris Spathis, Soren Brage, Nick Wareham, Cecilia Mascolo | 06m |
Combines teacher-student self-training with multi-task self-supervision: train a teacher on labeled data, generate pseudo-labels on large unlabeled sensor… | ||
| SmileAuth: Using Dental Edge Biometrics for User Authentication on Smartphones | Hongbo Jiang, Hangcheng Cao, Daibo Liu, Jie Xiong, Zhichao Cao | 06m |
SmileAuth implements a camera-based Android prototype that captures a few images while the phone moves and extracts dental edge lines via Sobel edge detection… | ||
| Mobile Mood Tracking: An Investigation of Concise and Adaptive Measurement Instruments | Helma Torkamaan, Jürgen Ziegler | 06m |
Smartphone studies show a two-item measure (positive and negative activation) reliably matches the longer I-PANAS-SF across four samples and daily/weekly… | ||
| SyncUp: Vision-based Practice Support for Synchronized Dancing | Zhongyi Zhou, Anran Xu, Koji Yatani | 06m |
SyncUp is a vision system that analyzes practice videos with off‑the‑shelf pose estimation, computes Body-part-level Pose Distance (BPD) and summarizes it into… | ||
| Detecting Receptivity for mHealth Interventions in the Natural Environment | Varun Mishra, Florian Künzler, Jan-Niklas Kramer, Elgar Fleisch, Tobias Kowatsch, David Kotz | 07m |
A chatbot app called Ally+ intercepts silent push messages and uses in-the-moment context to decide delivery, comparing a static random-forest model, an… | ||
| Aquilis: Using Contextual Integrity for Privacy Protection on Mobile Devices | Abhishek Vijaya Kumar, Tristan Braud, Young D. Kwon, Pan Hui | 06m |
A privacy-preserving keyboard gives color-coded warnings using a probabilistic model based on pairwise mutual information and contextual integrity tuples to… | ||
| SenseCollect: We Need Efficient Ways to Collect On-body Sensor-based Human Activity Data! | Wenqiang Chen, Shupei Lin, Elizabeth Thompson, John Stankovic | 08m |
SenseCollect implements a smartwatch app and laptop UI, runs control-variable experiments, and produces 240+ subjects across deployments to test collection… | ||
| Not Quite Yourself Today: Behaviour-Based Continuous Authentication in IoT Environments | Andraž Krašovec, Daniel Pellarini, Dimitrios Geneiatakis, Gianmarco Baldini, Veljko Pejović | 07m |
An IoT testbed captures typing, plate force, infrared/Hall movement and PC telemetry and releases 16 hours from 24 sensors as a public dataset. Static models… | ||
| Acoustic Strength-based Motion Tracking | Linfei Ge, Qian Zhang, Jin Zhang, Qianyi Huang | 05m |
System creates a rotating sound field by driving two speakers with slightly different sine frequencies so a single microphone senses periodic sound-strength… | ||
| ScraTouch: Extending Interaction Technique Using Fingernail on Unmodified Capacitive Touch Surfaces | Kaori Ikematsu, Shota Yamanaka | 06m |
ScraTouch distinguishes fingernail versus fingertip by reading shunt current from unmodified capacitive surfaces without kernel or hardware changes, using the… | ||
| BlinKey: A Two-Factor User Authentication Method for Virtual Reality Devices | Huadi Zhu, Wenqiang Jin, Mingyan Xiao, Srinivasan Murali, Ming Li | 06m |
A two-factor VR unlock that combines blink rhythm + pupil-size adaptation as a single “blinkey,” captured by an eye tracker and classified with k‑NN… | ||
| The Crowd Wisdom for Location Privacy of Crowdsensing Photos: Spear or Shield? | Tongqing Zhou, Zhiping Cai, Fang Liu | 06m |
A no-reference location-inference pipeline extracts end-to-end visual features, builds a refined similarity graph, applies spectral clustering, picks… | ||
| Honeysuckle: Annotation-Guided Code Generation of In-App Privacy Notices | Tianshi Li, Elijah B Neundorfer, Yuvraj Agarwal, Jason I. Hong | 06m |
Honeysuckle is an Android tool that generates in-app privacy notices from developer annotations, using an IDE plugin to add annotations, a build system plugin… | ||
| DANA: Dimension-Adaptive Neural Architecture for Multivariate Sensor Data | Mohammad Malekzadeh, Richard Clegg, Andrea Cavallaro, Hamed Haddadi | 06m |
Proposes a concrete method—Dimension-Adaptive Pooling (DAP)—that sits between the last convolutional map and the first dense/recurrent layer to accept variable… | ||
| When Sharing Economy Meets IoT: Towards Fine-grained Urban Air quality Monitoring through Mobile ... | Di Wu, Tao Xiao, Xuewen Liao, Jie Luo, Chao Wu, Shigeng Zhang, Yong Li, Yike Guo | 06m |
UbiAir mounts an IoT sensor box on shared bikes, collects >100k PM2.5 readings from 36 students over 18 days, and splits the area into fine grids. It applies… | ||
| mTeeth: Identifying Brushing Teeth Surfaces UsingWrist-Worn Inertial Sensors | Sayma Akther, Nazir Saleheen, Mithun Saha, Vivek Shetty, Santosh Kumar | 06m |
Claims wrist accelerometer and gyroscope data can identify which of nine teeth surfaces receives brushing by detecting individual brushing strokes as… | ||
| It Didn’t Sound Good with My Cochlear Implants: Understanding the Challenges of Using Smart ... | Johnna Blair, Saeed Abdullah | 06m |
Researchers conduct 4 in-depth interviews and survey 73 DHH participants, finding high daily SA use but concrete barriers: high-pitched default voices often… | ||
| Audio Keyword Reconstruction from On-Device Motion Sensor Signals via Neural Frequency Unfolding | Tianshi Wang, Shuochao Yao, Shengzhong Liu, Jinyang Li, Dongxin Liu, Huajie Shao, Ruijie Wang, Tarek Abdelzaher | 06m |
Claims that a neural network reconstructs high-frequency spoken keywords from 100–400 Hz accelerometer and gyroscope traces by reversing aliasing in the… | ||
| AiSee: An Assistive Wearable Device to Support Visually Impaired Grocery Shoppers | Roger Boldu, Denys J.C. Matthies, Haimo Zhang, Suranga Nanayakkara | 06m |
AiSee is a bone-conduction headset with a ring trigger, on-board Android + 13 MP camera, and cloud inference that uses a Single-Shot Detector to locate the… | ||
| Real-time Arm Gesture Recognition in Smart Home Scenarios via Millimeter Wave Sensing | Haipeng Liu, Hanyue He, Peilin Pan, Yixuan Lu, Liang Liu, Huadong Ma | 06m |
A real-time system uses a commodity mmWave radar to recognize 10 fine-grained arm gestures across realistic smart-home scenes by extracting a concentrate… | ||
| Evaluating the Gradual Delivery of Knowledge-focused and Mindset-focused Messages for ... | Steven Y. Zeng, Robert Wu, Khai N. Truong, Fanny Chevalier | 06m |
Automated daily SMS intervention tests whether short daily automated SMS prompts can shift coping rather than just inform; 8 participants receive 30… | ||
| Towards Position-Independent Sensing for Gesture Recognition with Wi-Fi | Ruiyang Gao, Mi Zhang, Jie Zhang, Yang Li, Enze Yi, Dan Wu, Leye Wang, Daqing Zhang | 06m |
Claims a hand-oriented view and a concrete feature called Motion Navigation Primitive (MNP) that uses the ratio of dynamic phase changes from two pairs of… | ||
| Reducing Muscle Activity when Playing Tremolo by Using Electrical Muscle Stimulation to Learn ... | Arinobu Niijima, Toki Takeda, Kentaro Tanaka, Ryosuke Aoki, Yukio Koike | 06m |
Uses EMS to supinator and pronator teres to induce wrist rotation and teach wrist-led tremolo; tested with 16 beginners wearing EMG on extensor pollicis longus… | ||
| CellSense: Human Mobility Recovery via Cellular Network Data Enhancement | Zhihan Fang, Yang Yu, Guang Yang, Yikun Xian, Fan Zhang, Desheng Zhang | 07m |
CellSense recovers missing observations from sparse cellular billing records by combining large-scale collective patterns (mobility graph, route pruning… | ||
| Acoussist: An Acoustic Assisting Tool for People with Visual Impairments to Cross Uncontrolled ... | Wenqiang Jin, Mingyan Xiao, Huadi Zhu, Shuchisnigdha Deb, Chen Kan, Ming Li | 06m |
System uses vehicle-mounted portable speakers that emit 17–19 kHz ultrasonic chirps (inaudible to humans) and a smartphone app to detect oncoming cars by… | ||
| OpiTrack: A Wearable-based Clinical Opioid Use Tracker with Temporal Convolutional Attention ... | Bhanu Teja Gullapalli, Stephanie Carreiro, Brittany P Chapman, Deepak Ganesan, Jan Sjoquist, Tauhidur Rahman | 06m |
A wearable system combines Empatica E4 wrist signals with a Channel-Temporal Attention TCN to detect opioid administrations from 36 inpatients (2070 hours, 339… | ||
| To See or Not to See: Exploring Inattentional Blindness for the Design of Unobtrusive Interfaces ... | Linda Hirsch, Christina Schneegass, Robin Welsch, Andreas Martin Butz | 06m |
Paper claims inattentional blindness can be used to make public interfaces visible to interested people but ignored by others. Authors run a literature review… | ||
| Teaching American Sign Language in Mixed Reality | Qijia Shao, Amy Sniffen, Julien Blanchet, Megan E. Hillis, Xinyu Shi, Themistoklis K. Haris, Jason Liu, Jason Lamberton, Melissa Malzkuhn, Lorna C. Quandt, James Mahoney, David J. M. Kraemer, Xia Zhou, Devin Balkcom | 06m |
System uses mixed-reality headset plus a front-facing camera and AR-tagged sensing gloves with flex and force sensors to capture finger joint angles and… | ||
| Unsupervised Human Activity Representation Learning with Multi-task Deep Clustering | Haojie Ma, Zhijie Zhang, Wenzhong Li, Sanglu Lu | 06m |
An end-to-end pipeline compresses raw wearable sensor windows with a CNN-BiLSTM autoencoder, assigns K-means pseudo-labeling on the latent space, and trains a… | ||
| Every Byte Matters: Traffic Analysis of BluetoothWearable Devices | Ludovic Barman, Alexandre Dumar, Apostolos Pyrgelis, Jean-Pierre Hubaux | 06m |
Dataset of popular smartwatches, fitness and health trackers collects Bluetooth Classic and LE traces while manually performing labeled actions; features based… | ||
| Designing Interactions beyond Conscious Control: A New Model for Wearable Interfaces | Abhinandan Jain, Adam Haar Horowitz, Felix Schoeller, Sang-won Leigh, Pattie Maes, Misha Sra | 06m |
Proposes a five‑level model that locates interfaces on conscious, preconscious and metasomatic pathways and claims body signals can alter emotion and cognition… | ||
| AdaSpring: Context-adaptive and Runtime-evolutionary Deep Model Compression for Mobile Applications | Sicong Liu, Bin Guo, Ke Ma, Zhiwen Yu, Junzhao Du | 01m |
A runtime system called AdaSpring bundles multiple compressed architectures and weights into a single retraining-free and self-evolutionary network and runs a… | ||
| Watching Your Phone’s Back: Gesture Recognition by Sensing Acoustical Structure-borne Propagation | Lei Wang, Xiang Zhang, Yuanshuang Jiang, Yong Zhang, Chenren Xu, Ruiyang Gao, Daqing Zhang | 06m |
StruGesture senses structure-borne propagation using phone speakers/microphones and ultrasonic chirps, isolates structure-borne from air-borne paths via a Peak… | ||
| CoolMoves: User Motion Accentuation in Virtual Reality | Karan Ahuja, Eyal Ofek, Mar Gonzalez-Franco, Christian Holz, Andrew D. Wilson | 06m |
System synthesizes expressive full-body avatar motion from only headset and hand tracking by matching user cues to a mocap repository, using a nearest-neighbor… | ||
| UVLens: Urban Village Boundary Identification and Population Estimation Leveraging Open ... | Longbiao CHEN | 08m |
A two-phase system identifies urban village polygons from satellite imagery by fusing road networks from taxi trajectories to produce road-guided patches and… | ||
| DeepRange: Acoustic Ranging via Deep Learning | Wenguang Mao, Wei Sun, Mei Wang, Lili Qiu | 06m |
A deep-learning acoustic ranging system uses a realistic simulator that injects white noise, multiple reflections, residual self-interference and randomized… | ||
| Understanding User Behavior in Car Sharing Services Through The Lens of Mobility: Mixing ... | Guang Wang, Harsh Rajkumar Vaish, Huijun Sun, Jianjun Wu, Shuai Wang, Desheng Zhang | 06m |
Study combines an 185-participant survey with a year of operational logs covering 68,000 users 587,850 records from Beijing and comparative data from Fuzhou… | ||
| One More Bite? Inferring Food Consumption Level of College Students Using Smartphone Sensing and ... | Lakmal Buddika Meegahapola, Salvador Ruiz-Correa, Viridiana Del Carmen Robledo-Valero, Emilio Ernesto Hernandez-Huerfano, Leonardo Alvarez-Rivera, Ronald Chenu-Abente, Daniel Gatica-Perez | 06m |
Study collects data from 84 college students with 3,278 self-reports and one-hour windows of passive sensing (accelerometer, app and screen usage) plus time of… | ||
| WiStress: Contactless Stress Monitoring using Wireless Signals | Unsoo Ha, Sohrab Madani, Fadel Adib | 07m |
A desktop prototype transmits ultra‑low‑power wireless signals with an 77 GHz RF sensor and recovers tiny body-motion, breathing, and heartbeat reflections to… | ||
| Robust Inertial Motion Tracking through Deep Sensor Fusion across Smart Earbuds and Smartphone | Jian Gong, Xinyu Zhang, Yuanjun Huang, Ju Ren, Yaoxue Zhang | 06m |
A system called DeepIT fuses phone and earbud IMUs (using Nokia eSense earbuds streaming gyro/accel over BLE) with an LSTM reliability network and… | ||
| Knitted Sensors: Designs and Novel Approaches for Real-Time, Real-World Sensing | Denisa Qori Mcdonald, Richard Vallett, Erin Solovey, Geneviève Dion, Ali Shokoufandeh | 06m |
A digitally knitted capacitive fabric uses one conductive carbon-coated yarn with only two external connections to create a 36-button sensor and several form… | ||
| Approaching the Real-World: Supporting Activity Recognition Training with Virtual IMU Data | Hyeokhyen Kwon, Bingyao Wang, Gregory D. Abowd, Thomas Ploetz | 06m |
System converts YouTube videos into 3D motion tracking and generates virtual IMU streams, then applies adaptive video selection to remove non-human objects… | ||
| Captivates: A Smart Eyeglass Platform for Across-Context Physiological Measurement | Patrick Chwalek, David Ramsay, Joe Paradiso | 06m |
An open-source smartglasses platform integrates temple and nose thermopiles, blink sensing, IMU motion, head pose and 3D localization using five base stations… | ||
| 3D Point Cloud Generation with Millimeter-Wave Radar | Kun Qian, Zhaoyuan He, Xinyu Zhang | 06m |
System converts commodity vehicle Radar into coherent SAR that outputs 3D point clouds by combining self cross-range tracking with a multi-focusing step and… | ||
| BlinkListener: “Listen” to Your Eye Blink Using Your Smartphone | Jialin Liu, Dong Li, Lei Wang, Jie Xiong | 06m |
System uses smartphone speaker and microphone to emit FMCW acoustic chirps, separate eye reflection via range bins, and model I-Q vectors so eyelid blinks… | ||
| Model-based Head Orientation Estimation for Smart Devices | Qiang Yang, Yuanqing Zheng | 06m |
A model-based system called HOE estimates head orientation using only two microphone arrays by matching a theoretical voice energy radiation pattern to… | ||
| LightGuide: Directing Visually Impaired People along a Path Using Light Cues | Shuchang Xu | 05m |
LightGuide uses a flexible LED strip mounted on a cap to show direction by turning on pixels where the target lies; prototype contains 45… | ||
| Urban Map Inference by Pervasive Vehicular Sensing Systems with Complementary Mobility | Zhihan Fang, Guang Wang, Xiaoyang Xie, Fan Zhang, Desheng Zhang | 07m |
coMap infers road geometry and road class from four vehicle fleets (18,000 taxis, 10,000 private cars, 6,000 trucks, 14,000 buses) by weighting GPS points by… | ||
| ISACS: In-Store Autonomous Checkout System for Retail | Joao Diogo Falcao, Carlos Ruiz, Adeola M Bannis, Hae Young Noh, Pei Zhang | 06m |
An autonomous checkout system combines a 3D store model, multi-person 3D pose estimation, and live inventory signals to match shoppers to products; deployed… | ||
| Wearable Computing Technology for Assessment of Cognitive Functioning of Bipolar Patients and ... | Pegah Hafiz, Kamilla Woznica Miskowiak, Alban Maxhuni, Lars Vedel Kessing, Jakob Eyvind Bardram | 06m |
Smartwatch app UbiCAT runs three brief cognitive tests three times daily for seven days and collects passive sensors; study yields 76 daily observations… | ||
| Towards Finding the Optimum Position in the Visual Field for a Head Worn Display Used for Task ... | Georgianna Lin, Malcolm Haynes, Sarthak Srinivas, Pramod Kotipalli, Thad E. Starner | 07m |
Two lab studies compare specific HWD placements using a 9.2° horizontal FOV display and a Magic Leap One for an order‑picking task with 12 participants per… | ||
| TouchID: User Authentication on Mobile Devices via Inertial-Touch Gesture Analysis | Xinchen Zhang, Yafeng Yin, Lei Xie, Hao Zhang, Zefan Ge, Sanglu Lu | 06m |
Combines on-screen touch data and phone inertial sensors to authenticate users by analyzing how a graphic unlock pattern is performed, implemented on… | ||
| ComFeel: Productivity is a Matter of the Senses Too | Marios Constantinides, Sanja Šćepanović, Daniele Quercia, Hongwei Li, Ugo Sassi, Michael Eggleston | 06m |
ComFeel deploys miniaturized Geckos sensors plus a Raspberry Pi to log light temperature and gas resistance across 29 real meetings totaling 1,373 minutes and… | ||
| FabHandWear : An End-to-End Pipeline from Design to Fabrication of Customized Functional ... | Luis Paredes, Sai Swarup Reddy, Subramanian Chidambaram, Devashri Vagholkar, Yunbo Zhang, Bedrich Benes, Karthik Ramani | 06m |
A web tool converts user hand measurements into a 3D hand mesh, lets users place off‑the‑shelf components, auto‑routes wiring, and outputs a printable 2D… | ||
| Prompto: Investigating Receptivity to Prompts Based on Cognitive Load from Memory Training ... | Samantha W. T. Chan, Shardul Sapkota, Rebecca Mathews, Haimo Zhang, Suranga Nanayakkara | 06m |
A conversational agent named Prompto detects EDA and HRV signatures to infer low cognitive load and sends prompts that guide users through implementation… | ||
| DronePrint: Acoustic Signatures for Open-set Drone Detection and Identification with Online Data | Harini Kolamunna, Thilini Dahanayaka, Junye Li, Suranga Seneviratne, Kanchana Thilakaratne, Albert Y. Zomaya, Aruna Seneviratne | 06m |
DronePrint uses microphone audio from online videos, extracts MFCCs with peak normalization and data augmentation via frequency warping, and classifies audio… | ||
| Exploration of Person-Independent BCIs for Internal and External Attention-Detection in ... | Lisa-Marie Vortmann, Felix Putze | 06m |
16-channel EEG plus binocular eye tracking record 15–20s labeled segments of internal vs external attention from 14 participants and test LDA, random forest, a… | ||
| Toward Lightweight In-situ Self-reporting: An Exploratory Study of Alternative Smartwatch ... | Xinghui Yan, Shriti Raj, Bingjian Huang, Sun Young Park, Mark W. Newman | 06m |
Study tests eight smartwatch interface probes with twenty-four participants across three simulated scenarios (walking, gaming, social chatting). It compares… | ||
| SonicASL: An Acoustic-based Sign Language Gesture Recognizer Using Earphones | Yincheng Jin, Yang Gao, Yanjun Zhu, Wei Wang, Jiyang Li, Seokmin Choi, Zhangyu Li, Jagmohan Chauhan, Anind K. Dey, Zhanpeng Jin | 06m |
A wearable system uses commodity earphones with a front-facing speaker and microphone to emit ultrasound and capture reflections, sending the audio to a phone… | ||
| Endophasia: Utilizing Acoustic-Based Imaging for Issuing Contact-Free Silent Speech Commands | Yongzhao Zhang, Wei-Hsiang Huang, Chih-Yun Yang, Wen-Ping Wang, Yi-Chao Chen, Chuang-Wen You, Da-Yuan Huang, Guangtao Zue, Jiadi Yu | 06m |
A phone app emits an up‑converted GSM sequence through its speaker and uses the microphone to recover channel impulse responses while a user mouths words… | ||
| Teaching RF to Sense without RF Training Measurements | Hong Cai, Belal Korany, Chitra R. Karanam, Yasamin Mostofi | 06m |
Paper presents a pipeline that generates RF training data from online videos and uses it to train a WiFi-based gym activity classifier without any real RF… | ||
| Who Will Survive and Revive Undergoing the Epidemic: Analyses about POI Visit Behavior inWuhan ... | Zhenyu Han, Haohan Fu, Fengli Xu, Zhen Tu, Yang Yu, Pan Hui, Ben Y. Zhao, Yong Li | 06m |
Uses a >140,000-POI check-in dataset with two parallel timelines to compare 2019 and 2020 and extracts trends by phase. Visits fall more than 60% on average… | ||
| Where You Go Matters: A Study on the Privacy Implications of Continuous Location Tracking | Benjamin Baron, Mirco Musolesi | 06m |
Mobile app TrackingAdvisor continuously collects iOS background locations (asks permission to always track), extracts stay points, matches them to Foursquare… | ||
| Douleur: Creating Pain Sensation with Chemical Stimulant to Enhance User Experience in Virtual ... | Chutian Jiang, Yanjun Chen, Mingming Fan, Liuping Wang, Luyao Shen, Nianlong Li, Wei Sun, Yu Zhang, Feng Tian, Teng Han | 06m |
A wearable prototype named Douleur chemically induces adjustable pain by pumping capsaicin via microneedling through a microfluidic reservoir and micropump… | ||
| Overthere : A Simple and Intuitive Object Registration Method for an Absolute Mid-air Pointing ... | Hyunggoog Seo, Jaedong Kim, Kwanggyoon Seo, Bumki Kim, Junyong Noh | 06m |
Overthere lets users register smart‑home devices by capturing multiple freehand pointing rays from a Kinect, estimating a target 3D position via least‑squares… | ||
| Your Smart Speaker Can “Hear” Your Heartbeat! | Fusang Zhang, Zhi Wang, Beihong Jin, Jie Xiong, Daqing Zhang | 06m |
A prototype uses commodity smart speakers and FMCW chirps plus microphone capture to extract submillimeter chest motion, cancels random system transmission… | ||
| Investigating the Effect of Sensory Concurrency on Learning Haptic Spatiotemporal Signals | Iain Carson, Aaron J Quigley, Loraine Clarke, Ute Hinrichs | 06m |
A 4-day study trains 24 participants across three sessions using haptic cues encoded to left/right trigger vibration on an Xbox One controller triggers and… | ||
| A Survey and Taxonomy of Electronics Toolkits for Interactive and Ubiquitous Device Prototyping | Mannu Lambrichts, Raf Ramakers, Steve Hodges, Sven Coppers, James Devine | 06m |
A literature survey classifies 56 toolkits using a taxonomy of 13 characteristics across four groups and three electronics types: discrete components, MCU… | ||
| DualRing: Enabling Subtle and Expressive Hand Interaction with Dual IMU Rings | Chen Liang, Chun Yu, Yue Qin, Yuntao Wang, Yuanchun Shi | 04m |
DualRing uses two IMU rings on thumb and index plus a high-frequency AC impedance circuit to detect thumb-to-finger contact and identify which finger is… | ||
| EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear Wearables | Zi Wang, Sheng Tan, Linghan Zhang, Yili Ren, Zhi Wang, Jie Yang | 06m |
A continuous, passive authentication system uses an in‑ear wearable’s built‑in speaker and microphone to emit inaudible beeps and record reflected signals… | ||
| CardiacWave: A mmWave-based Scheme of Non-Contact and High-Definition Heart Activity Computing | Chenhan Xu, Huining Li, Zhengxiong Li, Hanbin Zhang, Aditya Singh Rathore, Xingyu Chen, Kun Wang, MING-CHUN HUANG, Wenyao Xu | 07m |
A mmWave system claims non-contact, ECG-like heart monitoring by sensing the cardiac electromagnetic field via the Cardiac-mmWave scattering effect (CaSE) and… | ||
| When Do Drivers Interact with In-VehicleWell-being Interventions? An Exploratory Analysis of a ... | Kevin Koch, Varun Mishra, Shu Liu, Thomas Berger, Elgar Fleisch, David Kotz, Felix Wortmann | 06m |
A retrofitted smartphone infotainment system runs two real interventions — a mindfulness exercise and a personalized music playlist — across 10 participants… | ||
| BFree: Enabling Battery-free Sensor Prototyping with Python | Vito Kortbeek, Abu Bakar, Stefany Cruz, Kasim Sinan Yildirim, Przemysław Pawełczak, Josiah Hester | 06m |
Implements an intermittent computing stack that runs CircuitPython on Adafruit Metro M0 Express and adds a custom shield with FRAM-backed checkpointing to… | ||
| The Effect of Goal Moderation on the Achievement and Satisfaction of Physical Activity Goals | Deemah Alqahtani, Caroline Jay, Markel Vigo | 05m |
FitReflect app moderates daily step goals by asking for self-efficacy and lowering or raising targets accordingly, and it logs daily reflections; a 4‑week… | ||
| We Hear Your PACE: Passive Acoustic Localization of Multiple Walking Persons | Chao Cai, Henglin Pu, Peng Wang, Zhe Chen, Jun Luo | 06m |
PACE passively localizes and identifies multiple walking people by pinpointing footsteps, using structure-borne dispersion ranging (high-frequency components… | ||
| VerHealth: Vetting Medical Voice Applications through Policy Enforcement | Faysal Hossain Shezan, Hang Hu, Gang Wang, Yuan Tian | 06m |
A tool called VerHealth builds a static analyzer plus a dynamic, ML-driven tester (rule-based checks and a CNN for disclaimers) that performs multiple-round… | ||
| ViFin: Harness Passive Vibration to Continuous Micro Finger Writing with a Commodity Smartwatch | Wenqiang Chen, Lin Chen, Meiyi Ma, Farshid Salemi Parizi, Shwetak N. Patel, John Stankovic | 07m |
ViFin tracks continuous micro finger writing using only the commodity smartwatch IMU (accelerometer and gyroscope), applies a full‑bandwidth dynamic… | ||
| Unravelling Spatial Privacy Risks of Mobile Mixed Reality Data | Jaybie Agullo De Guzman, Aruna Seneviratne, Kanchana Thilakarathna | 06m |
Analyzes 3D maps from Microsoft HoloLens and Android ARCore and shows that shape-similarity metrics predict when spatial inference succeeds. Implements two… | ||
| Enabling Real-time Sign Language Translation on Mobile Platforms with On-board Depth Cameras | Hyeonjung Park, Youngki Lee, Jeonggil Ko | 01m |
SUGO is a depth-only, on-device sign-to-text system that runs real-time on a smartphone using the front depth camera and no cloud. It uses data augmentation… | ||
| Person-Centered Predictions of Psychological Constructs with Social Media Contextualized by ... | Koustuv Saha, Ted Grover, Stephen M. Mattingly, Vedant Das Swain, Pranshu Gupta, Gonzalo J. Martinez, Pablo Robles-Granda, Gloria Mark, Aaron Striegel, Munmun De Choudhury | 06m |
Uses multimodal sensing (Bluetooth, wearables, phone) plus Facebook language from 754 participants to build cluster-specific models; hierarchical clustering… | ||
| BitLight: Turning DLP Projections into an Interactive Surface through Bit-level Light Encoding | Song Liu, Tian He | 06m |
BitLight encodes tracking data into the sub-frame bit timing of a 60 Hz DLP projector, using 24 temporal slots per frame to carry multiple bits per pixel and… | ||
| Fine-Grained and Context-Aware Behavioral Biometrics for Pattern Lock on Smartphones | Dai Shi, Dan Tao, Jiangtao Wang, Muyan Yao, Zhibo Wang, Houjin Chen, Sumi Helal | 05m |
A system uses behavioral data during pattern entry plus a context module that detects body posture and sensor context to authenticate rather than just the… | ||
| LSVP: Towards Effective On-the-go Video Learning Using Optical Head-Mounted Displays | Ashwin Ram, Shengdong Zhao | 06m |
Presents Layered Serial Visual Presentation (LSVP) that combines sequentiality and data persistence for on-the-go video learning on an Epson BT-300 OHMD versus… | ||
| User Expectations and Mental Models for Communicating Emotions through Compressive & Warm ... | Esther W. Foo, Lucy E. Dunne, Brad Holschuh | 06m |
Study maps how shape-memory-alloy garments use coupled warmth and compression to signal seven emotions using two online surveys and 80 participants split into… | ||
| Toward User-Driven Sound Recognizer Personalization with People Who Are d/Deaf or Hard of Hearing | Steven M. Goodman, Ping Liu, Dhruv Jain, Emma J. Mcdonnell, Jon E. Froehlich, Leah Findlater | 06m |
Study with 14 DHH participants collects 243 recordings (avg 2.8 samples per sound) using Rev Recorder and a demo workflow built on Google’s Teachable Machine… | ||
| Ride Substitution Using Electric Bike Sharing: Feasibility, Cost, and Carbon Analysis | John Wamburu, Stephen Lee, Mohammad H. Hajiesmaili, David Irwin, Prashant Shenoy | 06m |
Analysis uses 19M CityBike trips and 354M taxi trips from NYC and a linear optimization that assigns regular bikes to short rides and e-bikes to longer ones… | ||
| ULoc: Low-Power, Scalable and cm-Accurate UWB-Tag Localization and Tracking for Indoor Applications | Minghui Zhao, Tyler Chang, Aditya Arun, Roshan Ayyalasomayajula, Chi Zhang, Dinesh Bharadia | 06m |
ULoc builds a tiny beacon-only tag and custom 8-antenna L-shaped anchor that measures 3D angle-of-arrival from a single reception, enabling single-packet… | ||
| ExpressEar: Sensing Fine-Grained Facial Expressions with Earables | Dhruv Verma, Sejal Bhalla, Dhruv Sahnan, Jainendra Shukla, Aman Parnami | 06m |
Ear-mounted 6-DOF IMU sensing on Nokia eSense captures ear-canal deformations sampled at 50 Hz, windowed into 2s segments, bandpass filtered and fed to a… | ||
| LiquidSense: Liquid Level Sensing Using Commodity WiFi in a Smart Home Environment | Yili Ren, Sheng Tan, Linghan Zhan, Zi Wang, Zhi Wang, Jie Yang | 06m |
System uses commodity WiFi and a low-cost surface-mounted transducer to induce container resonance and detect liquid level from subtle CSI phase shifts… | ||
| ALWAES: Automatic Location-Aware Correction System for Online Delivery Platforms | Dongzhe Jiang, Yi Ding, Hao Zhang, Yunhuai Liu, Tian He, Yang Yu, Desheng Zhang | 05m |
ALWAES automatically detects and corrects merchant location errors by mining courier travel times from 10+ million orders, training a distance-estimation… | ||
| SquiggleMilli: Approximating SAR Imaging on Mobile Millimeter-Wave Devices | Hem Regmi, Moh Sabbir Saadat, Sanjib Sur, Srihari Nelakuditi | 06m |
System approximates SAR on hand-held 5G mmWave phones by combining non-linear motion compensation using multiple receiver antennas, standard compressed sensing… | ||
| Learning When Agents Can Talk to Drivers using the INAGT Dataset and Multisensor Fusion | Tong Wu, Nikolas Martelaro, Simon Stent, Jorge Ortiz, Wendy Ju | 06m |
Uses the INAGT dataset of 1,915 synchronized samples (in-cabin and road video, CAN telemetry, physiology), resampled to 10 Hz and segmented into 6 s clips… | ||
| Understanding User Contexts and Coping Strategies for Context-aware Phone Distraction Management ... | Inyeop Kim, Hwarang Goh, Nematjon Narziev, Youngtae Noh, Uichin Lee | 06m |
A mobile ESM app collects 9,000 in‑situ responses from 34 participants over three weeks and an online survey yields 231 user‑written if‑then rules; analysis… | ||
| PREFER: Point-of-interest REcommendation with efficiency and privacy-preservation via Federated ... | Yeting Guo, Fang Liu, Zhiping Cai, Hui Zeng, Li Chen, Tongqing Zhou, Nong Xiao | 06m |
Proposes PREFER, an edge-accelerated federated learning system that keeps check-ins local, shares non-sensitive multi-dimensional parameters and aggregates… | ||
| GlucoMine: A Case for Improving the Use of Wearable Device Data in Diabetes Management | Abigail Bartolome, Sahaj Shah, Temiloluwa Prioleau | 06m |
The paper builds an algorithm called GlucoMine that discretizes CGM traces, applies a grid-based week-time stacking and extracts recurrent adverse events from… | ||
| Relacks: Reliable Backscatter Communication in Indoor Environments | Mohamad Katanbaf, Vivek Jain, Joshua R Smith | 06m |
A closed-loop bistatic backscatter system is built with BLE transceivers and BLE-compatible tags plus an FPGA tag and a wake-up receiver, and it selects… | ||
| Passive Health Monitoring Using Large Scale Mobility Data | Yunke Zhang, Fengli Xu, Tong Li, Vassilis Kostakos, Pan Hui, Yong Li | 06m |
Uses mobility traces from 2112 users collected for about two months, extracts 16 features (radius of gyration, displacement std, visit entropy, POI counts)… | ||
| DropMonitor: Millimeter-level Sensing for RFID-based Infusion Drip Rate Monitoring | Yuancan Lin, Lei Xie, Chuyu Wang, Yanling Bu, Sanglu Lu | 06m |
A prototype system uses a pair of batteryless RFID tags attached to a drip chamber plus an Impinj reader and Laird antenna to sense millimeter-scale… | ||
| Evaluating the Reproducibility of Physiological Stress Detection Models | Varun Mishra, Sougata Sen, Grace Chen, Tian Hao, Jeffrey Rogers, Ching-Hua Chen, David Kotz | 07m |
Ninety participants across four controlled studies using two sensors (Polar heart-rate and Empatica E4) test cross-study stress models. Models trained on one… | ||
| IriTrack: Face Presentation Attack Detection Using Iris Tracking | Meng Shen, Yaqian Wei, Zelin Liao, Liehuang Zhu | 06m |
IriTrack challenges users to follow a randomly generated 3-dot poly-line with their eyes, records iris centers using Daugman’s integro-differential operator… | ||
| Demystifying the Vetting Process of Voice-controlled Skills on Markets | Dawei Wang, Kai Chen, Wei Wang | 06m |
Paper reverse-engineers skill vetting and shows concrete weaknesses: a relevance-based Turing test using ConceptNet distinguishes human vs machine vetters… | ||
| How Low Can You Go? Performance Trade-offs in Low-Resolution Thermal Sensors for Occupancy ... | Mikko Juhani Rinta-Homi, Naser Hossein Motlagh, Agustin Zuniga, Huber Flores, Petteri Nurmi | 06m |
Systematic evaluation uses TIDOS and proprietary datasets, a preprocessing + blob-detection + flow-counter pipeline, and controlled frame-rate/resolution… | ||
| MetaTP: Traffic Prediction with Unevenly-Distributed Road Sensing Data via Fast Adaptation | Weida Zhong, Qiuling Suo, Abhishek Gupta, Xiaowei Jia, Chunming Qiao, Lu Su | 06m |
MetaTP claims it predicts traffic from sparse, uneven smartphone GPS by combining a two-layer interpolation that maps irregular samples to uniform time points… | ||
| Designing Kitchen Technologies for Ageing in Place: A Video Study of Older Adults’ Cooking at Home | Sanna Kuoppamäki, Sylvaine Tuncer, Sara Eriksson, Donald Mcmillan | 06m |
Six 60‑minute home cooking videos of adults 65+ plus 30‑minute interviews reveal concrete breakdowns: Physical manipulation (chopping, opening, stabilising… | ||
| AmbientBreath: Unobtrusive Just-in-time Breathing Intervention Using Multi-sensory Stimulation ... | Jinmo Lee, Neska Elhaouij, Rosalind W. Picard | 06m |
A closed‑loop system detects breathing with a BioHarness chest strap and triggers multi‑sensory cues when rate exceeds 120% of baseline; two simulator studies… | ||
| Embracing Collisions to Increase Fidelity of Sensing Systems with COTS Tags | Jiaqi Xu, Wei Sun, Kannan Srinivasan | 06m |
COFFEE extracts per-tag channel state from collided RN16 transmissions on COTS passive RFID by parallel channel estimation and iterative signal cancellation… | ||
| The Empathetic Car: Exploring Emotion Inference via Driver Behaviour and Traffic Context | Shu Liu, Kevin Koch, Zimu Zhou, Simon Föll, Xiaoxi He, Tina Menke, Elgar Fleisch, Felix Wortmann | 06m |
Modified 10 cars collect CAN-bus signals and front‑view video over 700 hours of real-world driving and label emotion by aggregating a facial‑expression… | ||
| A Feature Adaptive Learning Method for High-Density sEMG-Based Gesture Recognition | Yingwei Zhang, Yiqiang Chen, Hanchao Yu, Xiaodong Yang, Ruizhe Sun, Bixiao Zeng | 05m |
Presents a concrete method called FIDE: a stratified random forest ensemble that maintains per-electrode matrix sketches and a k-means electrode clustering to… | ||
| MIMU: Mobile WiFi Usage Inference by Mining Diverse User Behaviors | Zhou Qin, Yikun Xian, Fan Zhang, Desheng Zhang | 06m |
MIMU predicts per-device content demand on bus WiFi to cut carrier data costs by combining a deep learning user dimension model and device dimension model that… | ||
| A Scalable Solution for Signaling Face Touches to Reduce the Spread of Surface-based Pathogens. | Camilo Rojas, Niels Poulsen, Mileva Van Tuyl, Daniel Vargas, Zipporah Cohen, Joe Paradiso, Pattie Maes, Kevin Esvelt, Fadel Adib | 06m |
Saving Face turns any smartphone plus generic earbuds into an inaudible sonar that signals hand-to-face touches by combining FMCW and Doppler signal features… | ||
| EDEN: Enforcing Location Privacy through Re-identification Risk Assessment: A Federated Learning ... | Besma Khalfoun, Sonia Ben Mokhtar, Sara Bouchenak, Vlad Nitu | 07m |
EDEN is a device-side system that selects an LPPM and its configuration by running local sanitizations and a federated re-identification assessor called FURIA… | ||
| Modelling Memory for Individual Re-identification in Decentralised Mobile Contact Tracing ... | Luca Bedogni, Shakila Khan Rumi, Flora D. Salim | 06m |
Paper demonstrates a practical re-identification attack on decentralized BLE contact tracing by modeling human memory of people and places as a graph model… | ||
| FaceSense: Sensing Face Touch with an Ear-worn System | Vimal Kakaraparthi, Qijia Shao, Charles J. Carver, Tien Pham, Nam Bui, VP Nguyen, Xia Zhou, Tam Vu | 06m |
An ear-worn prototype combines 8x8 thermal cameras and a bio-amplifier skin impedance subsystem in flexible TPU earpieces to detect actual hand-to-face contact… | ||
| Peer-to-Peer Localization for Single-Antenna Devices | Xianan Zhang, Wei Wang, Xuedou Xiao, Hang Yang, Xinyu Zhang, Tao Jiang | 06m |
P2PLocate localizes a single-antenna device by co-locating a batteryless on-body backscatter tag and using the tag to create intentional multipath plus user… | ||
| QwertyRing: Text Entry on Physical Surfaces Using a Ring | Yizheng Gu, Chun Yu, Zhipeng Li, Zhaoheng Li, Xiaoying Wei, Yuanchun Shi | 06m |
A ring with an IMU worn on the middle phalanx maps finger orientation to an imagined QWERTY layout on any desk-like surface, detects touchdown/touchup with an… | ||
| Pushing the Limits of Long Range Wireless Sensing with LoRa | Binbin Xie, Yuqing Yin, Jie Xiong | 06m |
Paper claims LoRa-based system extends contact-free walking sensing from ~50 m to 120 m and achieves respiration sensing at 75 m, even through seven concrete… | ||
| Acoustic-based Upper Facial Action Recognition for Smart Eyewear | Wentao Xie, Qian Zhang, Jin Zhang | 06m |
Glass-mounted prototype uses a customized Seeed 4-mic circular array plus earphones and a Raspberry Pi to emit inaudible OFDM and extract OFDM-based CSI… | ||
| Is Someone Listening? Audio Related Privacy Perceptions and Design Recommendations from ... | Julia C. Dunbar, Emily Bascom, Ashley Boone, Alexis Hiniker | 06m |
Study of 35 participants across interviews, focus groups, and design workshops finds three user types — guardians, pragmatists, and cynics — with distinct… | ||
| D3P: Data-driven Demand Prediction for Fast Expanding Electric Vehicle Sharing Systems | Man Luo, Bowen Du, Konstantin Klemmer, Hongming Zhu, Hakan Ferhatosmanoglu, Hongkai Wen | 06m |
Predicts demand for rapidly expanding EV sharing networks and handles stations with little or no history by combining a LSTM temporal encoder for local history… | ||
| Multimodal Joint Head Orientation Estimation in Interacting Groups via Proxemics and Interaction ... | Stephanie Tan, David M.J. Tax, Hayley Hung | 06m |
A shared LSTM social context pooling model jointly regresses head orientations for all members of a group using 10‑second sequences of wearable neck badges… | ||
| Deriving Effective Human Activity Recognition Systems through Objective Task Complexity Assessment | Shruthi K. Hiremath, Thomas Plötz | 06m |
Framework maps each HAR task to a vector of objective complexity measures—feature overlap, linear separability and mixture identifiability—normalized to (0,1)… | ||
| Assessing Cognitive Performance Using Physiological and Facial Features: Generalizing Across ... | Kshitij Raj Sharma, Evangelos Niforatos, Michail Giannakos, Vassilis Kostakos | 07m |
123 participants across four very different tasks (Pac‑Man, adaptive assessment, code debugging, gaze‑controlled game) produce facial action units and VGG16… | ||
| Examining the Social Context of Alcohol Drinking in Young Adults with Smartphone Sensing | Lakmal Buddika Meegahapola, Florian Labhart, Thanh-Trung PHAN, Daniel Gatica-Perez | 06m |
Dataset covers 241 participants over three months with about 1250 self-reports of weekend drinking and eight passive phone modalities. Seven social-context… | ||
| ShadowSense: Detecting Human Touch in a Social Robot Using Shadow Image Classification | Yuhan Hu, Sara Maria Bejarano, Guy Hoffman | 06m |
A camera sits inside a translucent skin and captures touch-generated silhouettes that a shadow image classification pipeline converts into gesture labels and… | ||
| MemX: An Attention-Aware Smart Eyewear System for Personalized Moment Auto-capture | Yuhu Chang, Yingying Zhao, Mingzhi Dong, Yujiang Wang, Yutian Lu, Qin Lv, Robert P. Dick, Tun Lu, Ning Gu, Li Shang | 06m |
MemX is a retrofit smart-eyewear system that auto-captures personal moments by combining a lightweight continuous eye tracker with an on-demand scene analyzer… | ||
| TagFi: Locating Ultra-Low Power WiFi Tags Using Unmodified WiFi Infrastructure | Elahe Soltanaghaei, Adwait Dongare, Akarsh Prabhakara, Swarun Kumar, Anthony Rowe, Kamin Whitehouse | 06m |
TagFi demonstrates OOK backscatter tags that modulate ambient Wi‑Fi and are detected using channel state information plus a super‑resolution algorithm to… | ||
| User-Based Collaborative Filtering Mobile Health System | Hsien-Te Kao, Shen Yan, Homa Hosseinmardi, Shrikanth Narayanan, Kristina Lerman, Emilio Ferrara | 06m |
A user-based collaborative filtering mobile health system uses a ten-week TILES study of 212 hospital workers with wearables, an audio phone sensor, OMsignal… | ||
| Who Am I? A Design Probe Exploring Real-Time Transparency About Online and Offline User ... | Natã M. Barbosa, Gang Wang, Blase Ur, Yang Wang | 06m |
A system surfaces the incremental construction of ad-targeting profiles in real time using a browser extension and a mobile app and runs a two‑week field… | ||
| PMC: A Privacy-preserving Deep Learning Model Customization Framework for Edge Computing | Bingyan Liu, Yuanchun Li, Yunxin Liu, Yao Guo, Xiangqun Chen | 05m |
PMC extracts channel-wise Gaussian parameters from intermediate activations on-device, adds noise for differential privacy, uploads only those stats, and… | ||
| REHASH: A Flexible, Developer Focused, Heuristic Adaptation Platform for Intermittently Powered ... | Abu Bakar, Alexander G Ross, Kasim Sinan Yildirim, Josiah Hester | 07m |
A task-based adaptive runtime called REHASH runtime and a developer simulator REHASH Explorer adapt intermittently powered sensors by monitoring lightweight… | ||
| SwingNet: Ubiquitous Fine-Grained Swing Tracking Framework via Stochastic Neural Architecture ... | Hong Jia, Jiawei Hu, Wen Hu | 06m |
A regression network discovered by stochastic neural architecture search fuses IMU and depth from a smart wristband (IMU) and smartphone (depth sensor), adds… | ||
| The Design and Evaluation of a Mobile System for Rapid Diagnostic Test Interpretation | Chunjong Park, Hung Ngo, Libby Rose Lavitt, Vincent Karuri, Shiven Bhatt, Peter Lubell-Doughtie, Anuraj H. Shankar, Leonard Ndwiga, Victor Osoti, Juliana K. Wambua, Philip Bejon, Lynette Isabella Ochola-Oyier, Monique Chilver, Nigel Stocks, Victoria Lyon, Barry R. Lutz, Matthew Thompson, Alex Mariakakis, Shwetak N. Patel | 07m |
A smartphone app called RDTScan guides users with real-time feedback (brightness, blur, position) and captures RDT images without hardware attachments, using… | ||
| Sensing to Hear: Speech Enhancement for Mobile Devices Using Acoustic Signals | Qian Zhang, Dong Wang, Run Zhao, Yinggang Yu, Junjie Shen | 06m |
WaveVoice uses the phone speaker to emit inaudible multi-frequency acoustic signals and captures lip motion via reflections, fusing that with noisy audio in a… | ||
| Anti-Spoofing Voice Commands: A Generic Wireless Assisted Design | Cui Zhao, Zhenjiang Li, Han Ding, Wei Xi, Ge Wang, Jizhong Zhao | 06m |
Prototype system builds three WISE versions using RFID, Wi‑Fi, and inaudible acoustic sensing and adds one‑time random noise to shelter transceivers. RFID uses… | ||
| MIFF: Human Mobility Extractions with Cellular Signaling Data under Spatio-temporal Uncertainty | Yiwei Song, Yunhuai Liu, Wenqing Qui, Zhou Qin, Chang Tan, Can Yang, Desheng Zhang | 07m |
A framework called MIFF fuses cell-tower signaling traces before map matching and uses a confidence DTW (CDTW) similarity to find homogeneous traces from a… | ||
| BreathTrack: Detecting Regular Breathing Phases from Unannotated Acoustic Data Captured by a ... | Md Mahbubur Rahman, Bashima Islam, Tousif Ahmed, Mohsin Yusuf Ahmed, Mehedi Hasan, Viswam Nathan, Korosh Vatanparvar, Ebrahim Nemati, Jilong Kuang, Jun Alex Gao | 06m |
A smartphone microphone model learns inhalation and exhalation by transferring labels from IMU signals using a teacher-student transfer where the teacher is a… | ||
| GAME: Game As a Measurement Environment - Scheme to Evaluate Interfaces and Game Contents Based ... | Takahiro Miura, Masaki Matsuo, Ken-Ichiro Yabu, Atsushi Katagiri, Masatsugu Sakajiri, Junji Onishi, Takeshi Kurata, Tohru Ifukube | 06m |
A game-based evaluation system embeds randomized substage templates into a side‑scroller called Planet Saga, logs 225 players’ runs, and analyzes outcomes with… | ||
| Objective Measures of Cognitive Load Using Deep Multi-Modal Learning — A Use-Case in Aviation | Justin C. Wilson, Suku Nair, Sandro Scielzo, Eric C. Larson | 06m |
Using a mixed VR and physical simulator plus C-17 flight data, researchers train a BM3TX architecture (variational auto-encoders per sensor, x-vector–style… | ||
| Unlocking the Beamforming Potential of LoRa for Long-range Multi-target Respiration Sensing | Fusang Zhang, Zhaoxin Chang, Jie Xiong, Rong Zheng, Junqi Ma, Kai Niu, Beihong Jin, Daqing Zhang | 06m |
System uses a multi-antenna LoRa gateway to form spatial beams and implements a beam nulling division method to cancel the random phase from unsynchronized… | ||
| A City-Wide Crowdsourcing Delivery System with Reinforcement Learning | Yi Ding, Baoshen Guo, Lin Zheng, Mingming Lu, Desheng Zhang, Shuai Wang, Sang Hyuk Son, Tian He | 06m |
A crowdsourced, public-transport delivery system uses DQN with time-estimation filtering to pick next-hop stations for packages riding subways and buses… | ||
| D2Park: Diversified Demand-aware On-street Parking Guidance | Dong Zhao, Zijian Cao, Chen Ju, Desheng Zhang, Huadong Ma | 06m |
D2Park formulates parking as a Heterogeneous-Agent Dynamic Resource Allocation problem and builds a working system that combines GCN and LSTM sequence… | ||
| Understanding Physical Practices and the Role of Technology in Manual Self-Tracking | Parastoo Abtahi, Victoria Ding, Anna C. Yang, Tommy Bruzzese, Alyssa B. Romanos, Elizabeth L. Murnane, Sean Follmer, James A. Landay | 06m |
Survey (N=404) and follow-up interviews (N=18) use photos, questionnaires, and semi-structured interviews to show manual self-tracking functions as a… | ||
| ApneaDetector: Detecting Sleep Apnea with Smartwatches | Xianda Chen, Yifei Xiao, Yeming Tang, Julio Fernandez-Mendoza, Guohong Cao | 06m |
A smartwatch app uses wrist accelerometer data, signal preprocessing and machine learning to flag apnea events, not just sleep stage guesses. It applies signal… | ||
| Leveraging Activity Recognition to Enable Protective Behavior Detection in Continuous Data | Chongyang Wang, Yuan Gao, Akhil Mathur, Nicholas D. Lane, Nadia Bianchi-Berthouze | 05m |
A hierarchical HAR-PBD architecture combines GC-LSTM graph convolutions with LSTM to detect protective behavior in continuous wearable data where protective… | ||
| VibroMap: Understanding the Spacing of Vibrotactile Actuators across the Body | Hesham Elsayed, Martin Weigel, Florian Müller, Martin Schmitz, Karola Marky, Sebastian Günther, Jan Riemann, Max Mühlhäuser | 06m |
Two controlled experiments map minimum and maximum inter-motor distances for vibrotactile arrays using ERM vibration motors mounted on cloth, tested at seven… | ||
| Duco: Autonomous Large-Scale Direct-Circuit-Writing (DCW) on Vertical Everyday Surfaces Using A ... | Tingyu Cheng, Bu Li, Yang Zhang, Yunzhi Li, Charles Ramey, Eui Min Jung, Yepu Cui, Sai Ganesh Swaminathan, Youngwook Do, Manos Tentzeris, Gregory D. Abowd, HyunJoo Oh | 06m |
A wall-hanging plotter draws multi-layer circuits on vertical surfaces using two stepper motors, a pen carousel with conductive/dielectric/cleaning inks and an… | ||
| CrossGR: Accurate and Low-cost Cross-target Gesture Recognition Using Wi-Fi | Xinyi Li, Liqiong Chang, Fangfang Song, Ju Wang, Xiaojiang Chen, Zhanyong Tang, Zheng Wang | 06m |
CrossGR claims cross-target Wi‑Fi gesture recognition using a generative adversarial network to synthesize training CSI data from a few users and a CNN-based… | ||
| Contrastive Predictive Coding for Human Activity Recognition | Harish Haresamudram, Irfan Essa, Thomas Plötz | 06m |
Applies Contrastive Predictive Coding to wearable-sensor HAR using a 1D convolutional encoder and GRU to produce z-vectors and a context Ct, trained with… | ||
| Context-aware Adaptive Surgery: A Fast and Effective Framework for Adaptative Model Partition | Hongli Wang, Bin Guo, Jiaqi Liu, Sicong Liu, Yungang Wu, Zhiwen Yu | 06m |
A retraining-free framework called CAS builds a Partition State Graph and runs a graph-based adaptive DNN surgery algorithm that starts from the last solution… | ||
| S3: Side-Channel Attack on Stylus Pencil through Sensors | Habiba Farrukh, Tinghan Yang, Hanwen Xu, Yuxuan Yin, He Wang, Z. Berkay Celik | 06m |
System S3 infers what is written on an iPad by reading only background motion sensors and reconstructs strokes using a high-dimensional particle filter that… | ||
| Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication | Yang Gao, Yincheng Jin, Jagmohan Chauhan, Seokmin Choi, Jiyang Li, Zhangpeng Jin | 06m |
System authenticates users by measuring speaking-induced body sound in the ear canal and exploiting left/right asymmetry, claiming passphrase-independence and… | ||
| CrowdAct: Achieving High-Quality Crowdsourced Datasets in Mobile Activity Recognition | Nattaya Mairittha, Tittaya Mairittha, Paula Lago, Sozo Inoue | 06m |
CrowdAct deploys an Android app and backend that combine active learning + gamification with an inaccuracy detection via supervised ML to produce… | ||
| FG-LiquID: A Contact-less Fine-grained Liquid Identifier by Pushing the Limits of ... | Yumeng Liang, Anfu Zhou, Huanhuan Zhang, XinZhe Wen, Huadong Ma | 06m |
A compact prototype uses a 60 GHz FMCW radar and FFT-based peak-zone extraction to classify liquids by permittivity, training a custom neural net called RC-Net… | ||
| Fall Detection via Inaudible Acoustic Sensing | Jie Lian, Xu Yuan, Ming Li, Nian-Feng Tzeng | 06m |
System emits a 20 kHz continuous wave from a home audio speaker and records Doppler returns on a microphone, denoises via spectral subtraction and STFT, then… | ||
| 11 Years withWearables: Quantitative Analysis of Social Media, Academia, News Agencies, and Lead ... | Yanglei Gan, Tianyi Wang, Alireza Javeheri, Elaheh Momeni-Ortner, Milad Dehghani, Mehdi Hosseinzadeh, Reza Rawassizadeh | 06m |
Quantitative analysis of 2009–2020 data from DBLP, PubMed, Twitter, Google News, Bing News, Kickstarter and Indiegogo uses 42 keywords and LDA topic modeling… | ||
| Orbuculum – Predicting When Users Intend to Leave Large Public Displays | Florian Alt, Daniel Buschek, David Heuss, Jörg Müller | 06m |
A system predicts when a user is about to leave a large public display by detecting behavioral features from video and Microsoft Kinect skeleton data; 240… | ||
| Detecting Stressful Social Interactions Using Wearable Physiological and Inertial Sensors | Rummana Bari, Md Mahbubur Rahman, Nazir Saleheen, Megan Battles Parsons, Eugene H. Buder, Santosh Kumar | 06m |
Lab and field data from 38 cohabiting participants wearing a chest patch, wristband and phone are used to label and classify stressors; the team defines stress… | ||
| Inverse Foraging: Inferring Users’ Interest in Pervasive Displays | Maria L. Montoya Freire, Antti Oulasvirta, Mario Di Francesco | 06m |
A method fits an information-foraging model to measured viewing times on tiled displays to estimate content interest. The tile forager model is fitted from… | ||
| RF Vital Sign Sensing Under Free Body Movement | Jian Gong, Xinyu Zhang, Kaixin Lin, Ju Ren, Yaoxue Zhang, Wenxun Qiu | 05m |
System combines direct RF sensing during static windows with movement power estimation and LSTM predictors to infer heart rate and respiration under ambulant… | ||
| LAX-Score: Quantifying Team Performance in Lacrosse and Exploring IMU Features towards ... | Patrick Chwalek, David Ramsay, Joe Paradiso | 06m |
A reproducible team-performance metric called LAX-Score = normalized weighted sum of game features maps linearly to winning percentage, fits a Gaussian (a… | ||
| Authenticating Drivers Using Automotive Batteries | Liang He, Yuanchao Shu, Youngmoon Lee, Dongyao Chen, Kang G. Shin | 06m |
BAuth authenticates drivers by reading a battery voltage fingerprint produced by a driver’s customized start sequence and matching that fingerprint on an… | ||
| DriverSonar: Fine-Grained Dangerous Driving Detection Using Active Sonar | Hongbo Jiang, Jingyang Hu, Daibo Liu, Jie Xiong, Minjie Cai | 06m |
System uses an off‑the‑shelf smartphone speaker and microphone to emit 1 ms chirp pulses with ≥5 ms intervals and track head and hand echoes within ~1 m… | ||
| ViscoCam: Smartphone-based Drink Viscosity Control Assistant for Dysphagia Patients | Kechang An, Qian Zhang, Elaine Kwong | 06m |
A smartphone app that measures drink viscosity by having the user shake a cup and phone while the flashlight camera images refraction distortions and the… | ||
| Multi-Head Spatio-Temporal Attention Mechanism For Urban Anomaly Event Prediction | Huiqun Huang, Xi Yang, Suining He | 06m |
Proposes M-STAP, a citywide anomaly distribution predictor that combines Multi-Head Self-attention over regions, local convolutional spatial filters, a… | ||
| Full-Dimension Relative Positioning for RFID-Enabled Self-Checkout Services | Chunhui Duan, Jiajun Liu, Xuan Ding, Zhenhua Li, Yunhao Liu | 06m |
Taggo uses four anchor tags per cart and off-the-shelf RFID readers with two antennas to convert checkout into a relative positioning problem on a conveyor. It… | ||
| WR-Hand: Wearable Armband can Track User's Hand | Yang Liu, Chengdong Lin, Zhenjiang Li | 06m |
A wearable system tracks 3D positions of 14 skeleton points using commercial armband EMG plus gyroscope, running an RNN-enhanced biomedical model on a phone in… | ||
| Efficient Schedule of Energy-Constrained UAV Using Crowdsourced Buses in Last-Mile Parcel Delivery | Yan Pan, Shining Li, Qianwu Chen, Nan Zhang, Tao Cheng, Zhigang Li, Bin Guo, Qingye Han, Ting Zhu | 06m |
Uses wireless chargers mounted on crowdsourced buses and a proposed Energy-Neutral Flight Principle plus a dispatching algorithm to schedule battery-limited… | ||
| Listen2Cough: Leveraging End-to-End Deep Learning Cough Detection Model to Enhance Lung Health ... | Xuhai Xu, Ebrahim Nemati, Korosh Vatanparvar, Viswam Nathan, Tousif Ahmed, Md Mahbuburrahman, Daniel Mccaffrey, Jilong Kuang, Jun Alex Gao | 06m |
An end-to-end raw-audio model takes uncropped recordings, combining 1D CNN + pre-trained MobileNet and heavy augmentation, trained on multiple public datasets… | ||
| NeckFace: Continuously Tracking Full Facial Expressions on Neck-mounted Wearables | Tuochao Chen, Yaxuan Li, Songyun Tao, Hyunchul Lim, Mose Sakashita, Ruidong Zhang, François Guimbretière, Cheng Zhang | 06m |
A neck-mounted IR camera system reconstructs continuous full-face expressions by feeding chin and mouth images into NeckNet based on ResNet34 and regressing 52… | ||
| MoCapaci: Posture and gesture detection in loose garments using textile cables as capacitive | Hymalai Bello, Bo Zhou, Sungho Suh, Paul Lukowicz | 06m |
A loose-fitting MoCaBlazer prototype embeds four textile antenna channels (Interactive Wear cables) with OpenTheremin V3 hardware to sense posture and gestures… | ||
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