~/conference

UbiComp 2021

date:2021-09-21..2021-09-26
location:-- online --
series:UbiComp · one edition

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

titleauthorlength
Investigating Retention in Passive Haptic Learning of Piano SongsRumen Donchev, Erik Pescara, Michael Beigl06m
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…
Talk
Pantomime: Mid-Air Gesture Recognition with Sparse Millimeter-Wave Radar Point CloudsSameera Palipana, Dariush Salami, Luis A. Leiva, Stephan Sigg06m
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…
Talk on
HERMAS: A Human Mobility Embedding Framework with Large-scale Cellular Signaling DataYiwei Song, Dongzhe Jiang, Yunhuai Liu, Zhou Qin, Chang Tan, Desheng Zhang07m
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…
Talk on
Teacher Tracking with Integrity: What Indoor Positioning Can Reveal About Instructional ProxemicsRoberto Martinez-Maldonado, Katerina Mangaroska, Jurgen Schulte, Doug Elliott, Carmen Axisa, Simon Buckingham Shum06m
Study captures positioning from Pozym.io tags across 28 classes, 10 university teachers in three spaces (design, nursing simulation, physics lab) and converts…
Talk on
SoundLip: EnablingWord and Sentence-level Lip Interaction for Smart DevicesQian Zhang, Dong Wang, Run Zhao, Yinggang Yu06m
SoundLip uses a phone’s speaker to emit ultrasound sensing and the microphone to capture reflections from moving lips, then preprocesses phase and amplitude…
Talk on
Mapping and Taking Stock of the Personal Informatics LiteratureDaniel 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 Chen06m
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…
Talk
RF-Identity: Non-Intrusive Person Identification Based on Commodity RFID DevicesChao Feng, Jie Xiong, Liqiong Chang, Fuwei Wang, Ju Wang, Dingyi Fang06m
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…
Talk on
WiPhone: Smartphone-based Respiration Monitoring Using Ambient Reflected WiFi Signals.Jinyu Liu, Youwei Zeng, Tao Gu, Leye Wang, Daqing Zhang06m
WiPhone is a smartphone implementation that uses ambient reflected WiFi CSI to estimate chest displacement and respiration rate, running on a Google Nexus 5…
Talk
Write, Attend and Spell: Streaming End-to-end Free-style Handwriting Recognition Using SmartwatchesQian Zhang, Dong Wang, Run Zhao, Yinggang Yu, Jiazhen Jing06m
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…
Talk on
Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant ...Rebecca Adaimi, Howard Yong, Edison Thomaz07m
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…
Talk on
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 Mankoff06m
A memory-based collaborative-filtering method personalizes depression detection by building a relevance matrix from passively sensed features and using the…
Talk on
ShaZam: Charge-FreeWearable Devices via Intra-Body Power Transfer from Everyday ObjectsNoor Mohammed, Rui Wang, Robert W. Jackson, Yeonsik Noh, Jeremy Gummeson, Sunghoon Ivan Lee06m
ShaZam implements capacitive intra-body RF power transfer: a compact transmitter mounted on everyday objects and a batteryless wrist receiver with a charge…
Talk
RF-ray: Joint RF and Linguistics Domain Learning for Object RecognitionHan Ding, Linwei Zhai, Cui Zhao, Songjiang Hou, Ge Wang, Wei Xi, Jizhong Zhao, Yihong Gong06m
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…
Talk on
VeriMask: Facilitating Decontamination of N95 Masks in the COVID-19 Pandemic: Challenges, ...Yan Long, Alexander Curtiss, Sara Rampazzi, Josiah Hester, Kevin Fu01m
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…
Talk on
Outliers in Smartphone Sensor Data Reveal Outliers in Daily HappinessTeodora Sandra Buda, Mohammed Khwaja, Aleksander Matic06m
Smartphone sensor readings are converted into per-user outlier encoding (lower/regular/upper) and the daily happiness label is also encoded per-person, then…
Talk on
EchoSpot: Spotting Your Locations via Acoustic SensingJie Lian, Jiadong Lou, Li Chen, Xu Yuan06m
EchoSpot implements an indoor locator that uses single speaker + single microphone devices such as Amazon Echo Edifier R1280DB and Logitech z200 to emit FMCW…
Talk
Hello There! Is Now a Good Time to Talk?: Opportune Moments for Proactive Conversational InteractionNarae Cha, Auk Kim, Cheul Young Park, Soowon Kang, Mingyu Park, Jae-Gil Lee, Sangsu Lee, Uichin Lee05m
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…
Talk
GAN-based Style Transformation to Improve Gesture-recognition AccuracyNoeru Suzuki, Yuki Watanabe, Atsushi Nakazawa06m
A GAN-based style transformer synthesizes missing personal gesture samples by performing intra- and inter-user transformations and trains personal classifiers…
Talk on
Self-supervised Learning for Reading Activity ClassificationMd. Rabiul Islam, Shuji Sakamoto, Yoshihiro Yamada, Andrew W. Vargo, Motoi Iwata, Masakazu Iwamura, Koichi Kise06m
Claims a self-supervised pipeline—self-supervised pretraining and fine-tuning—that uses large unlabeled sensor recordings and small labeled sets to classify…
Talk on
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 Yao06m
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…
Talk on
Ray Tracing-based Light Energy Prediction for Indoor Batteryless SensorsDaeyong Kim, JunIck Ahn, Jun Shin, Hojung Cha06m
Solacle predicts indoor light-harvesting capability at any location by combining ray tracing with a gradient-free optimization that fits room optical…
Talk on
SelfHAR: Improving Human Activity Recognition through Self-training with Unlabeled DataChi Ian Tang, Ignacio Perez-Pozuelo, Dimitris Spathis, Soren Brage, Nick Wareham, Cecilia Mascolo06m
Combines teacher-student self-training with multi-task self-supervision: train a teacher on labeled data, generate pseudo-labels on large unlabeled sensor…
Talk on
SmileAuth: Using Dental Edge Biometrics for User Authentication on SmartphonesHongbo Jiang, Hangcheng Cao, Daibo Liu, Jie Xiong, Zhichao Cao06m
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…
Talk on
Mobile Mood Tracking: An Investigation of Concise and Adaptive Measurement InstrumentsHelma Torkamaan, Jürgen Ziegler06m
Smartphone studies show a two-item measure (positive and negative activation) reliably matches the longer I-PANAS-SF across four samples and daily/weekly…
Talk
SyncUp: Vision-based Practice Support for Synchronized DancingZhongyi Zhou, Anran Xu, Koji Yatani06m
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…
Talk on
Detecting Receptivity for mHealth Interventions in the Natural EnvironmentVarun Mishra, Florian Künzler, Jan-Niklas Kramer, Elgar Fleisch, Tobias Kowatsch, David Kotz07m
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…
Talk on
Aquilis: Using Contextual Integrity for Privacy Protection on Mobile DevicesAbhishek Vijaya Kumar, Tristan Braud, Young D. Kwon, Pan Hui06m
A privacy-preserving keyboard gives color-coded warnings using a probabilistic model based on pairwise mutual information and contextual integrity tuples to…
Talk on
SenseCollect: We Need Efficient Ways to Collect On-body Sensor-based Human Activity Data!Wenqiang Chen, Shupei Lin, Elizabeth Thompson, John Stankovic08m
SenseCollect implements a smartwatch app and laptop UI, runs control-variable experiments, and produces 240+ subjects across deployments to test collection…
Talk on
Not Quite Yourself Today: Behaviour-Based Continuous Authentication in IoT EnvironmentsAndraž Krašovec, Daniel Pellarini, Dimitrios Geneiatakis, Gianmarco Baldini, Veljko Pejović07m
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…
Talk on
Acoustic Strength-based Motion TrackingLinfei Ge, Qian Zhang, Jin Zhang, Qianyi Huang05m
System creates a rotating sound field by driving two speakers with slightly different sine frequencies so a single microphone senses periodic sound-strength…
Talk on
ScraTouch: Extending Interaction Technique Using Fingernail on Unmodified Capacitive Touch SurfacesKaori Ikematsu, Shota Yamanaka06m
ScraTouch distinguishes fingernail versus fingertip by reading shunt current from unmodified capacitive surfaces without kernel or hardware changes, using the…
Talk on
BlinKey: A Two-Factor User Authentication Method for Virtual Reality DevicesHuadi Zhu, Wenqiang Jin, Mingyan Xiao, Srinivasan Murali, Ming Li06m
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…
Talk on
The Crowd Wisdom for Location Privacy of Crowdsensing Photos: Spear or Shield?Tongqing Zhou, Zhiping Cai, Fang Liu06m
A no-reference location-inference pipeline extracts end-to-end visual features, builds a refined similarity graph, applies spectral clustering, picks…
Talk on
Honeysuckle: Annotation-Guided Code Generation of In-App Privacy NoticesTianshi Li, Elijah B Neundorfer, Yuvraj Agarwal, Jason I. Hong06m
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…
Talk on
DANA: Dimension-Adaptive Neural Architecture for Multivariate Sensor DataMohammad Malekzadeh, Richard Clegg, Andrea Cavallaro, Hamed Haddadi06m
Proposes a concrete method—Dimension-Adaptive Pooling (DAP)—that sits between the last convolutional map and the first dense/recurrent layer to accept variable…
Talk on
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 Guo06m
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…
Talk on
mTeeth: Identifying Brushing Teeth Surfaces UsingWrist-Worn Inertial SensorsSayma Akther, Nazir Saleheen, Mithun Saha, Vivek Shetty, Santosh Kumar06m
Claims wrist accelerometer and gyroscope data can identify which of nine teeth surfaces receives brushing by detecting individual brushing strokes as…
Talk on
It Didn’t Sound Good with My Cochlear Implants: Understanding the Challenges of Using Smart ...Johnna Blair, Saeed Abdullah06m
Researchers conduct 4 in-depth interviews and survey 73 DHH participants, finding high daily SA use but concrete barriers: high-pitched default voices often…
Talk on
Audio Keyword Reconstruction from On-Device Motion Sensor Signals via Neural Frequency UnfoldingTianshi Wang, Shuochao Yao, Shengzhong Liu, Jinyang Li, Dongxin Liu, Huajie Shao, Ruijie Wang, Tarek Abdelzaher06m
Claims that a neural network reconstructs high-frequency spoken keywords from 100–400 Hz accelerometer and gyroscope traces by reversing aliasing in the…
Talk on
AiSee: An Assistive Wearable Device to Support Visually Impaired Grocery ShoppersRoger Boldu, Denys J.C. Matthies, Haimo Zhang, Suranga Nanayakkara06m
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…
Talk on
Real-time Arm Gesture Recognition in Smart Home Scenarios via Millimeter Wave SensingHaipeng Liu, Hanyue He, Peilin Pan, Yixuan Lu, Liang Liu, Huadong Ma06m
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…
Talk on
Evaluating the Gradual Delivery of Knowledge-focused and Mindset-focused Messages for ...Steven Y. Zeng, Robert Wu, Khai N. Truong, Fanny Chevalier06m
Automated daily SMS intervention tests whether short daily automated SMS prompts can shift coping rather than just inform; 8 participants receive 30…
Talk
Towards Position-Independent Sensing for Gesture Recognition with Wi-FiRuiyang Gao, Mi Zhang, Jie Zhang, Yang Li, Enze Yi, Dan Wu, Leye Wang, Daqing Zhang06m
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…
Talk on
Reducing Muscle Activity when Playing Tremolo by Using Electrical Muscle Stimulation to Learn ...Arinobu Niijima, Toki Takeda, Kentaro Tanaka, Ryosuke Aoki, Yukio Koike06m
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…
Talk on
CellSense: Human Mobility Recovery via Cellular Network Data EnhancementZhihan Fang, Yang Yu, Guang Yang, Yikun Xian, Fan Zhang, Desheng Zhang07m
CellSense recovers missing observations from sparse cellular billing records by combining large-scale collective patterns (mobility graph, route pruning…
Talk on
Acoussist: An Acoustic Assisting Tool for People with Visual Impairments to Cross Uncontrolled ...Wenqiang Jin, Mingyan Xiao, Huadi Zhu, Shuchisnigdha Deb, Chen Kan, Ming Li06m
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…
Talk on
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 Rahman06m
A wearable system combines Empatica E4 wrist signals with a Channel-Temporal Attention TCN to detect opioid administrations from 36 inpatients (2070 hours, 339…
Talk on
To See or Not to See: Exploring Inattentional Blindness for the Design of Unobtrusive Interfaces ...Linda Hirsch, Christina Schneegass, Robin Welsch, Andreas Martin Butz06m
Paper claims inattentional blindness can be used to make public interfaces visible to interested people but ignored by others. Authors run a literature review…
Talk on
Teaching American Sign Language in Mixed RealityQijia 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 Balkcom06m
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…
Talk on
Unsupervised Human Activity Representation Learning with Multi-task Deep ClusteringHaojie Ma, Zhijie Zhang, Wenzhong Li, Sanglu Lu06m
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…
Talk on
Every Byte Matters: Traffic Analysis of BluetoothWearable DevicesLudovic Barman, Alexandre Dumar, Apostolos Pyrgelis, Jean-Pierre Hubaux06m
Dataset of popular smartwatches, fitness and health trackers collects Bluetooth Classic and LE traces while manually performing labeled actions; features based…
Talk on
Designing Interactions beyond Conscious Control: A New Model for Wearable InterfacesAbhinandan Jain, Adam Haar Horowitz, Felix Schoeller, Sang-won Leigh, Pattie Maes, Misha Sra06m
Proposes a five‑level model that locates interfaces on conscious, preconscious and metasomatic pathways and claims body signals can alter emotion and cognition…
Talk on
AdaSpring: Context-adaptive and Runtime-evolutionary Deep Model Compression for Mobile ApplicationsSicong Liu, Bin Guo, Ke Ma, Zhiwen Yu, Junzhao Du01m
A runtime system called AdaSpring bundles multiple compressed architectures and weights into a single retraining-free and self-evolutionary network and runs a…
Talk on
Watching Your Phone’s Back: Gesture Recognition by Sensing Acoustical Structure-borne PropagationLei Wang, Xiang Zhang, Yuanshuang Jiang, Yong Zhang, Chenren Xu, Ruiyang Gao, Daqing Zhang06m
StruGesture senses structure-borne propagation using phone speakers/microphones and ultrasonic chirps, isolates structure-borne from air-borne paths via a Peak…
Talk
CoolMoves: User Motion Accentuation in Virtual RealityKaran Ahuja, Eyal Ofek, Mar Gonzalez-Franco, Christian Holz, Andrew D. Wilson06m
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…
Talk on
UVLens: Urban Village Boundary Identification and Population Estimation Leveraging Open ...Longbiao CHEN08m
A two-phase system identifies urban village polygons from satellite imagery by fusing road networks from taxi trajectories to produce road-guided patches and…
Talk on
DeepRange: Acoustic Ranging via Deep LearningWenguang Mao, Wei Sun, Mei Wang, Lili Qiu06m
A deep-learning acoustic ranging system uses a realistic simulator that injects white noise, multiple reflections, residual self-interference and randomized…
Talk on
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 Zhang06m
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…
Talk on
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-Perez06m
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…
Talk on
WiStress: Contactless Stress Monitoring using Wireless SignalsUnsoo Ha, Sohrab Madani, Fadel Adib07m
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…
Talk
Robust Inertial Motion Tracking through Deep Sensor Fusion across Smart Earbuds and SmartphoneJian Gong, Xinyu Zhang, Yuanjun Huang, Ju Ren, Yaoxue Zhang06m
A system called DeepIT fuses phone and earbud IMUs (using Nokia eSense earbuds streaming gyro/accel over BLE) with an LSTM reliability network and…
Talk on
Knitted Sensors: Designs and Novel Approaches for Real-Time, Real-World SensingDenisa Qori Mcdonald, Richard Vallett, Erin Solovey, Geneviève Dion, Ali Shokoufandeh06m
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…
Talk on
Approaching the Real-World: Supporting Activity Recognition Training with Virtual IMU DataHyeokhyen Kwon, Bingyao Wang, Gregory D. Abowd, Thomas Ploetz06m
System converts YouTube videos into 3D motion tracking and generates virtual IMU streams, then applies adaptive video selection to remove non-human objects…
Talk on
Captivates: A Smart Eyeglass Platform for Across-Context Physiological MeasurementPatrick Chwalek, David Ramsay, Joe Paradiso06m
An open-source smartglasses platform integrates temple and nose thermopiles, blink sensing, IMU motion, head pose and 3D localization using five base stations…
Talk on
3D Point Cloud Generation with Millimeter-Wave RadarKun Qian, Zhaoyuan He, Xinyu Zhang06m
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…
Talk on
BlinkListener: “Listen” to Your Eye Blink Using Your SmartphoneJialin Liu, Dong Li, Lei Wang, Jie Xiong06m
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…
Talk
Model-based Head Orientation Estimation for Smart DevicesQiang Yang, Yuanqing Zheng06m
A model-based system called HOE estimates head orientation using only two microphone arrays by matching a theoretical voice energy radiation pattern to…
Talk
LightGuide: Directing Visually Impaired People along a Path Using Light CuesShuchang Xu05m
LightGuide uses a flexible LED strip mounted on a cap to show direction by turning on pixels where the target lies; prototype contains 45…
Talk on
Urban Map Inference by Pervasive Vehicular Sensing Systems with Complementary MobilityZhihan Fang, Guang Wang, Xiaoyang Xie, Fan Zhang, Desheng Zhang07m
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…
Talk on
ISACS: In-Store Autonomous Checkout System for RetailJoao Diogo Falcao, Carlos Ruiz, Adeola M Bannis, Hae Young Noh, Pei Zhang06m
An autonomous checkout system combines a 3D store model, multi-person 3D pose estimation, and live inventory signals to match shoppers to products; deployed…
Talk on
Wearable Computing Technology for Assessment of Cognitive Functioning of Bipolar Patients and ...Pegah Hafiz, Kamilla Woznica Miskowiak, Alban Maxhuni, Lars Vedel Kessing, Jakob Eyvind Bardram06m
Smartwatch app UbiCAT runs three brief cognitive tests three times daily for seven days and collects passive sensors; study yields 76 daily observations…
Talk
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. Starner07m
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…
Talk on
TouchID: User Authentication on Mobile Devices via Inertial-Touch Gesture AnalysisXinchen Zhang, Yafeng Yin, Lei Xie, Hao Zhang, Zefan Ge, Sanglu Lu06m
Combines on-screen touch data and phone inertial sensors to authenticate users by analyzing how a graphic unlock pattern is performed, implemented on…
Talk on
ComFeel: Productivity is a Matter of the Senses TooMarios Constantinides, Sanja Šćepanović, Daniele Quercia, Hongwei Li, Ugo Sassi, Michael Eggleston06m
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…
Talk
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 Ramani06m
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…
Talk
Prompto: Investigating Receptivity to Prompts Based on Cognitive Load from Memory Training ...Samantha W. T. Chan, Shardul Sapkota, Rebecca Mathews, Haimo Zhang, Suranga Nanayakkara06m
A conversational agent named Prompto detects EDA and HRV signatures to infer low cognitive load and sends prompts that guide users through implementation…
Talk on
DronePrint: Acoustic Signatures for Open-set Drone Detection and Identification with Online DataHarini Kolamunna, Thilini Dahanayaka, Junye Li, Suranga Seneviratne, Kanchana Thilakaratne, Albert Y. Zomaya, Aruna Seneviratne06m
DronePrint uses microphone audio from online videos, extracts MFCCs with peak normalization and data augmentation via frequency warping, and classifies audio…
Talk on
Exploration of Person-Independent BCIs for Internal and External Attention-Detection in ...Lisa-Marie Vortmann, Felix Putze06m
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…
Talk on
Toward Lightweight In-situ Self-reporting: An Exploratory Study of Alternative Smartwatch ...Xinghui Yan, Shriti Raj, Bingjian Huang, Sun Young Park, Mark W. Newman06m
Study tests eight smartwatch interface probes with twenty-four participants across three simulated scenarios (walking, gaming, social chatting). It compares…
Talk on
SonicASL: An Acoustic-based Sign Language Gesture Recognizer Using EarphonesYincheng Jin, Yang Gao, Yanjun Zhu, Wei Wang, Jiyang Li, Seokmin Choi, Zhangyu Li, Jagmohan Chauhan, Anind K. Dey, Zhanpeng Jin06m
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…
Talk on
Endophasia: Utilizing Acoustic-Based Imaging for Issuing Contact-Free Silent Speech CommandsYongzhao Zhang, Wei-Hsiang Huang, Chih-Yun Yang, Wen-Ping Wang, Yi-Chao Chen, Chuang-Wen You, Da-Yuan Huang, Guangtao Zue, Jiadi Yu06m
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…
Talk
Teaching RF to Sense without RF Training MeasurementsHong Cai, Belal Korany, Chitra R. Karanam, Yasamin Mostofi06m
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…
Talk on
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 Li06m
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…
Talk on
Where You Go Matters: A Study on the Privacy Implications of Continuous Location TrackingBenjamin Baron, Mirco Musolesi06m
Mobile app TrackingAdvisor continuously collects iOS background locations (asks permission to always track), extracts stay points, matches them to Foursquare…
Talk on
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 Han06m
A wearable prototype named Douleur chemically induces adjustable pain by pumping capsaicin via microneedling through a microfluidic reservoir and micropump…
Talk on
Overthere : A Simple and Intuitive Object Registration Method for an Absolute Mid-air Pointing ...Hyunggoog Seo, Jaedong Kim, Kwanggyoon Seo, Bumki Kim, Junyong Noh06m
Overthere lets users register smart‑home devices by capturing multiple freehand pointing rays from a Kinect, estimating a target 3D position via least‑squares…
Talk on
Your Smart Speaker Can “Hear” Your Heartbeat!Fusang Zhang, Zhi Wang, Beihong Jin, Jie Xiong, Daqing Zhang06m
A prototype uses commodity smart speakers and FMCW chirps plus microphone capture to extract submillimeter chest motion, cancels random system transmission…
Talk on
Investigating the Effect of Sensory Concurrency on Learning Haptic Spatiotemporal SignalsIain Carson, Aaron J Quigley, Loraine Clarke, Ute Hinrichs06m
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…
Talk on
A Survey and Taxonomy of Electronics Toolkits for Interactive and Ubiquitous Device PrototypingMannu Lambrichts, Raf Ramakers, Steve Hodges, Sven Coppers, James Devine06m
A literature survey classifies 56 toolkits using a taxonomy of 13 characteristics across four groups and three electronics types: discrete components, MCU…
Talk on
DualRing: Enabling Subtle and Expressive Hand Interaction with Dual IMU RingsChen Liang, Chun Yu, Yue Qin, Yuntao Wang, Yuanchun Shi04m
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…
Talk on
EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear WearablesZi Wang, Sheng Tan, Linghan Zhang, Yili Ren, Zhi Wang, Jie Yang06m
A continuous, passive authentication system uses an in‑ear wearable’s built‑in speaker and microphone to emit inaudible beeps and record reflected signals…
Talk on
CardiacWave: A mmWave-based Scheme of Non-Contact and High-Definition Heart Activity ComputingChenhan Xu, Huining Li, Zhengxiong Li, Hanbin Zhang, Aditya Singh Rathore, Xingyu Chen, Kun Wang, MING-CHUN HUANG, Wenyao Xu07m
A mmWave system claims non-contact, ECG-like heart monitoring by sensing the cardiac electromagnetic field via the Cardiac-mmWave scattering effect (CaSE) and…
Talk on
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 Wortmann06m
A retrofitted smartphone infotainment system runs two real interventions — a mindfulness exercise and a personalized music playlist — across 10 participants…
Talk
BFree: Enabling Battery-free Sensor Prototyping with PythonVito Kortbeek, Abu Bakar, Stefany Cruz, Kasim Sinan Yildirim, Przemysław Pawełczak, Josiah Hester06m
Implements an intermittent computing stack that runs CircuitPython on Adafruit Metro M0 Express and adds a custom shield with FRAM-backed checkpointing to…
Talk on
The Effect of Goal Moderation on the Achievement and Satisfaction of Physical Activity GoalsDeemah Alqahtani, Caroline Jay, Markel Vigo05m
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…
Talk
We Hear Your PACE: Passive Acoustic Localization of Multiple Walking PersonsChao Cai, Henglin Pu, Peng Wang, Zhe Chen, Jun Luo06m
PACE passively localizes and identifies multiple walking people by pinpointing footsteps, using structure-borne dispersion ranging (high-frequency components…
Talk on
VerHealth: Vetting Medical Voice Applications through Policy EnforcementFaysal Hossain Shezan, Hang Hu, Gang Wang, Yuan Tian06m
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…
Talk on
ViFin: Harness Passive Vibration to Continuous Micro Finger Writing with a Commodity SmartwatchWenqiang Chen, Lin Chen, Meiyi Ma, Farshid Salemi Parizi, Shwetak N. Patel, John Stankovic07m
ViFin tracks continuous micro finger writing using only the commodity smartwatch IMU (accelerometer and gyroscope), applies a full‑bandwidth dynamic…
Talk
Unravelling Spatial Privacy Risks of Mobile Mixed Reality DataJaybie Agullo De Guzman, Aruna Seneviratne, Kanchana Thilakarathna06m
Analyzes 3D maps from Microsoft HoloLens and Android ARCore and shows that shape-similarity metrics predict when spatial inference succeeds. Implements two…
Talk on
Enabling Real-time Sign Language Translation on Mobile Platforms with On-board Depth CamerasHyeonjung Park, Youngki Lee, Jeonggil Ko01m
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…
Talk on
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 Choudhury06m
Uses multimodal sensing (Bluetooth, wearables, phone) plus Facebook language from 754 participants to build cluster-specific models; hierarchical clustering…
Talk on
BitLight: Turning DLP Projections into an Interactive Surface through Bit-level Light EncodingSong Liu, Tian He06m
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…
Talk
Fine-Grained and Context-Aware Behavioral Biometrics for Pattern Lock on SmartphonesDai Shi, Dan Tao, Jiangtao Wang, Muyan Yao, Zhibo Wang, Houjin Chen, Sumi Helal05m
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…
Talk on
LSVP: Towards Effective On-the-go Video Learning Using Optical Head-Mounted DisplaysAshwin Ram, Shengdong Zhao06m
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…
Talk on
User Expectations and Mental Models for Communicating Emotions through Compressive & Warm ...Esther W. Foo, Lucy E. Dunne, Brad Holschuh06m
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…
Talk on
Toward User-Driven Sound Recognizer Personalization with People Who Are d/Deaf or Hard of HearingSteven M. Goodman, Ping Liu, Dhruv Jain, Emma J. Mcdonnell, Jon E. Froehlich, Leah Findlater06m
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…
Talk on
Ride Substitution Using Electric Bike Sharing: Feasibility, Cost, and Carbon AnalysisJohn Wamburu, Stephen Lee, Mohammad H. Hajiesmaili, David Irwin, Prashant Shenoy06m
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…
Talk
ULoc: Low-Power, Scalable and cm-Accurate UWB-Tag Localization and Tracking for Indoor ApplicationsMinghui Zhao, Tyler Chang, Aditya Arun, Roshan Ayyalasomayajula, Chi Zhang, Dinesh Bharadia06m
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…
Talk on
ExpressEar: Sensing Fine-Grained Facial Expressions with EarablesDhruv Verma, Sejal Bhalla, Dhruv Sahnan, Jainendra Shukla, Aman Parnami06m
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…
Talk
LiquidSense: Liquid Level Sensing Using Commodity WiFi in a Smart Home EnvironmentYili Ren, Sheng Tan, Linghan Zhan, Zi Wang, Zhi Wang, Jie Yang06m
System uses commodity WiFi and a low-cost surface-mounted transducer to induce container resonance and detect liquid level from subtle CSI phase shifts…
Talk
ALWAES: Automatic Location-Aware Correction System for Online Delivery PlatformsDongzhe Jiang, Yi Ding, Hao Zhang, Yunhuai Liu, Tian He, Yang Yu, Desheng Zhang05m
ALWAES automatically detects and corrects merchant location errors by mining courier travel times from 10+ million orders, training a distance-estimation…
Talk on
SquiggleMilli: Approximating SAR Imaging on Mobile Millimeter-Wave DevicesHem Regmi, Moh Sabbir Saadat, Sanjib Sur, Srihari Nelakuditi06m
System approximates SAR on hand-held 5G mmWave phones by combining non-linear motion compensation using multiple receiver antennas, standard compressed sensing…
Talk on
Learning When Agents Can Talk to Drivers using the INAGT Dataset and Multisensor FusionTong Wu, Nikolas Martelaro, Simon Stent, Jorge Ortiz, Wendy Ju06m
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…
Talk on
Understanding User Contexts and Coping Strategies for Context-aware Phone Distraction Management ...Inyeop Kim, Hwarang Goh, Nematjon Narziev, Youngtae Noh, Uichin Lee06m
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…
Talk on
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 Xiao06m
Proposes PREFER, an edge-accelerated federated learning system that keeps check-ins local, shares non-sensitive multi-dimensional parameters and aggregates…
Talk on
GlucoMine: A Case for Improving the Use of Wearable Device Data in Diabetes ManagementAbigail Bartolome, Sahaj Shah, Temiloluwa Prioleau06m
The paper builds an algorithm called GlucoMine that discretizes CGM traces, applies a grid-based week-time stacking and extracts recurrent adverse events from…
Talk on
Relacks: Reliable Backscatter Communication in Indoor EnvironmentsMohamad Katanbaf, Vivek Jain, Joshua R Smith06m
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…
Talk on
Passive Health Monitoring Using Large Scale Mobility DataYunke Zhang, Fengli Xu, Tong Li, Vassilis Kostakos, Pan Hui, Yong Li06m
Uses mobility traces from 2112 users collected for about two months, extracts 16 features (radius of gyration, displacement std, visit entropy, POI counts)…
Talk on
DropMonitor: Millimeter-level Sensing for RFID-based Infusion Drip Rate MonitoringYuancan Lin, Lei Xie, Chuyu Wang, Yanling Bu, Sanglu Lu06m
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…
Talk on
Evaluating the Reproducibility of Physiological Stress Detection ModelsVarun Mishra, Sougata Sen, Grace Chen, Tian Hao, Jeffrey Rogers, Ching-Hua Chen, David Kotz07m
Ninety participants across four controlled studies using two sensors (Polar heart-rate and Empatica E4) test cross-study stress models. Models trained on one…
Talk on
IriTrack: Face Presentation Attack Detection Using Iris TrackingMeng Shen, Yaqian Wei, Zelin Liao, Liehuang Zhu06m
IriTrack challenges users to follow a randomly generated 3-dot poly-line with their eyes, records iris centers using Daugman’s integro-differential operator…
Talk on
Demystifying the Vetting Process of Voice-controlled Skills on MarketsDawei Wang, Kai Chen, Wei Wang06m
Paper reverse-engineers skill vetting and shows concrete weaknesses: a relevance-based Turing test using ConceptNet distinguishes human vs machine vetters…
Talk on
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 Nurmi06m
Systematic evaluation uses TIDOS and proprietary datasets, a preprocessing + blob-detection + flow-counter pipeline, and controlled frame-rate/resolution…
Talk
MetaTP: Traffic Prediction with Unevenly-Distributed Road Sensing Data via Fast AdaptationWeida Zhong, Qiuling Suo, Abhishek Gupta, Xiaowei Jia, Chunming Qiao, Lu Su06m
MetaTP claims it predicts traffic from sparse, uneven smartphone GPS by combining a two-layer interpolation that maps irregular samples to uniform time points…
Talk on
Designing Kitchen Technologies for Ageing in Place: A Video Study of Older Adults’ Cooking at HomeSanna Kuoppamäki, Sylvaine Tuncer, Sara Eriksson, Donald Mcmillan06m
Six 60‑minute home cooking videos of adults 65+ plus 30‑minute interviews reveal concrete breakdowns: Physical manipulation (chopping, opening, stabilising…
Talk on
AmbientBreath: Unobtrusive Just-in-time Breathing Intervention Using Multi-sensory Stimulation ...Jinmo Lee, Neska Elhaouij, Rosalind W. Picard06m
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…
Talk
Embracing Collisions to Increase Fidelity of Sensing Systems with COTS TagsJiaqi Xu, Wei Sun, Kannan Srinivasan06m
COFFEE extracts per-tag channel state from collided RN16 transmissions on COTS passive RFID by parallel channel estimation and iterative signal cancellation…
Talk on
The Empathetic Car: Exploring Emotion Inference via Driver Behaviour and Traffic ContextShu Liu, Kevin Koch, Zimu Zhou, Simon Föll, Xiaoxi He, Tina Menke, Elgar Fleisch, Felix Wortmann06m
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…
Talk on
A Feature Adaptive Learning Method for High-Density sEMG-Based Gesture RecognitionYingwei Zhang, Yiqiang Chen, Hanchao Yu, Xiaodong Yang, Ruizhe Sun, Bixiao Zeng05m
Presents a concrete method called FIDE: a stratified random forest ensemble that maintains per-electrode matrix sketches and a k-means electrode clustering to…
Talk on
MIMU: Mobile WiFi Usage Inference by Mining Diverse User BehaviorsZhou Qin, Yikun Xian, Fan Zhang, Desheng Zhang06m
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…
Talk on
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 Adib06m
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…
Talk on
EDEN: Enforcing Location Privacy through Re-identification Risk Assessment: A Federated Learning ...Besma Khalfoun, Sonia Ben Mokhtar, Sara Bouchenak, Vlad Nitu07m
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…
Talk on
Modelling Memory for Individual Re-identification in Decentralised Mobile Contact Tracing ...Luca Bedogni, Shakila Khan Rumi, Flora D. Salim06m
Paper demonstrates a practical re-identification attack on decentralized BLE contact tracing by modeling human memory of people and places as a graph model…
Talk on
FaceSense: Sensing Face Touch with an Ear-worn SystemVimal Kakaraparthi, Qijia Shao, Charles J. Carver, Tien Pham, Nam Bui, VP Nguyen, Xia Zhou, Tam Vu06m
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…
Talk
Peer-to-Peer Localization for Single-Antenna DevicesXianan Zhang, Wei Wang, Xuedou Xiao, Hang Yang, Xinyu Zhang, Tao Jiang06m
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…
Talk on
QwertyRing: Text Entry on Physical Surfaces Using a RingYizheng Gu, Chun Yu, Zhipeng Li, Zhaoheng Li, Xiaoying Wei, Yuanchun Shi06m
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…
Talk
Pushing the Limits of Long Range Wireless Sensing with LoRaBinbin Xie, Yuqing Yin, Jie Xiong06m
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…
Talk
Acoustic-based Upper Facial Action Recognition for Smart EyewearWentao Xie, Qian Zhang, Jin Zhang06m
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…
Talk on
Is Someone Listening? Audio Related Privacy Perceptions and Design Recommendations from ...Julia C. Dunbar, Emily Bascom, Ashley Boone, Alexis Hiniker06m
Study of 35 participants across interviews, focus groups, and design workshops finds three user types — guardians, pragmatists, and cynics — with distinct…
Talk on
D3P: Data-driven Demand Prediction for Fast Expanding Electric Vehicle Sharing SystemsMan Luo, Bowen Du, Konstantin Klemmer, Hongming Zhu, Hakan Ferhatosmanoglu, Hongkai Wen06m
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…
Talk on
Multimodal Joint Head Orientation Estimation in Interacting Groups via Proxemics and Interaction ...Stephanie Tan, David M.J. Tax, Hayley Hung06m
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…
Talk on
Deriving Effective Human Activity Recognition Systems through Objective Task Complexity AssessmentShruthi K. Hiremath, Thomas Plötz06m
Framework maps each HAR task to a vector of objective complexity measures—feature overlap, linear separability and mixture identifiability—normalized to (0,1)…
Talk on
Assessing Cognitive Performance Using Physiological and Facial Features: Generalizing Across ...Kshitij Raj Sharma, Evangelos Niforatos, Michail Giannakos, Vassilis Kostakos07m
123 participants across four very different tasks (Pac‑Man, adaptive assessment, code debugging, gaze‑controlled game) produce facial action units and VGG16…
Talk on
Examining the Social Context of Alcohol Drinking in Young Adults with Smartphone SensingLakmal Buddika Meegahapola, Florian Labhart, Thanh-Trung PHAN, Daniel Gatica-Perez06m
Dataset covers 241 participants over three months with about 1250 self-reports of weekend drinking and eight passive phone modalities. Seven social-context…
Talk on
ShadowSense: Detecting Human Touch in a Social Robot Using Shadow Image ClassificationYuhan Hu, Sara Maria Bejarano, Guy Hoffman06m
A camera sits inside a translucent skin and captures touch-generated silhouettes that a shadow image classification pipeline converts into gesture labels and…
Talk on
MemX: An Attention-Aware Smart Eyewear System for Personalized Moment Auto-captureYuhu Chang, Yingying Zhao, Mingzhi Dong, Yujiang Wang, Yutian Lu, Qin Lv, Robert P. Dick, Tun Lu, Ning Gu, Li Shang06m
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…
Talk on
TagFi: Locating Ultra-Low Power WiFi Tags Using Unmodified WiFi InfrastructureElahe Soltanaghaei, Adwait Dongare, Akarsh Prabhakara, Swarun Kumar, Anthony Rowe, Kamin Whitehouse06m
TagFi demonstrates OOK backscatter tags that modulate ambient Wi‑Fi and are detected using channel state information plus a super‑resolution algorithm to…
Talk on
User-Based Collaborative Filtering Mobile Health SystemHsien-Te Kao, Shen Yan, Homa Hosseinmardi, Shrikanth Narayanan, Kristina Lerman, Emilio Ferrara06m
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…
Talk on
Who Am I? A Design Probe Exploring Real-Time Transparency About Online and Offline User ...Natã M. Barbosa, Gang Wang, Blase Ur, Yang Wang06m
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…
Talk on
PMC: A Privacy-preserving Deep Learning Model Customization Framework for Edge ComputingBingyan Liu, Yuanchun Li, Yunxin Liu, Yao Guo, Xiangqun Chen05m
PMC extracts channel-wise Gaussian parameters from intermediate activations on-device, adds noise for differential privacy, uploads only those stats, and…
Talk on
REHASH: A Flexible, Developer Focused, Heuristic Adaptation Platform for Intermittently Powered ...Abu Bakar, Alexander G Ross, Kasim Sinan Yildirim, Josiah Hester07m
A task-based adaptive runtime called REHASH runtime and a developer simulator REHASH Explorer adapt intermittently powered sensors by monitoring lightweight…
Talk on
SwingNet: Ubiquitous Fine-Grained Swing Tracking Framework via Stochastic Neural Architecture ...Hong Jia, Jiawei Hu, Wen Hu06m
A regression network discovered by stochastic neural architecture search fuses IMU and depth from a smart wristband (IMU) and smartphone (depth sensor), adds…
Talk on
The Design and Evaluation of a Mobile System for Rapid Diagnostic Test InterpretationChunjong 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. Patel07m
A smartphone app called RDTScan guides users with real-time feedback (brightness, blur, position) and captures RDT images without hardware attachments, using…
Talk
Sensing to Hear: Speech Enhancement for Mobile Devices Using Acoustic SignalsQian Zhang, Dong Wang, Run Zhao, Yinggang Yu, Junjie Shen06m
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…
Talk on
Anti-Spoofing Voice Commands: A Generic Wireless Assisted DesignCui Zhao, Zhenjiang Li, Han Ding, Wei Xi, Ge Wang, Jizhong Zhao06m
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…
Talk on
MIFF: Human Mobility Extractions with Cellular Signaling Data under Spatio-temporal UncertaintyYiwei Song, Yunhuai Liu, Wenqing Qui, Zhou Qin, Chang Tan, Can Yang, Desheng Zhang07m
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…
Talk on
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 Gao06m
A smartphone microphone model learns inhalation and exhalation by transferring labels from IMU signals using a teacher-student transfer where the teacher is a…
Talk on
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 Ifukube06m
A game-based evaluation system embeds randomized substage templates into a side‑scroller called Planet Saga, logs 225 players’ runs, and analyzes outcomes with…
Talk on
Objective Measures of Cognitive Load Using Deep Multi-Modal Learning — A Use-Case in AviationJustin C. Wilson, Suku Nair, Sandro Scielzo, Eric C. Larson06m
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…
Talk on
Unlocking the Beamforming Potential of LoRa for Long-range Multi-target Respiration SensingFusang Zhang, Zhaoxin Chang, Jie Xiong, Rong Zheng, Junqi Ma, Kai Niu, Beihong Jin, Daqing Zhang06m
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…
Talk on
A City-Wide Crowdsourcing Delivery System with Reinforcement LearningYi Ding, Baoshen Guo, Lin Zheng, Mingming Lu, Desheng Zhang, Shuai Wang, Sang Hyuk Son, Tian He06m
A crowdsourced, public-transport delivery system uses DQN with time-estimation filtering to pick next-hop stations for packages riding subways and buses…
Talk on
D2Park: Diversified Demand-aware On-street Parking GuidanceDong Zhao, Zijian Cao, Chen Ju, Desheng Zhang, Huadong Ma06m
D2Park formulates parking as a Heterogeneous-Agent Dynamic Resource Allocation problem and builds a working system that combines GCN and LSTM sequence…
Talk on
Understanding Physical Practices and the Role of Technology in Manual Self-TrackingParastoo Abtahi, Victoria Ding, Anna C. Yang, Tommy Bruzzese, Alyssa B. Romanos, Elizabeth L. Murnane, Sean Follmer, James A. Landay06m
Survey (N=404) and follow-up interviews (N=18) use photos, questionnaires, and semi-structured interviews to show manual self-tracking functions as a…
Talk on
ApneaDetector: Detecting Sleep Apnea with SmartwatchesXianda Chen, Yifei Xiao, Yeming Tang, Julio Fernandez-Mendoza, Guohong Cao06m
A smartwatch app uses wrist accelerometer data, signal preprocessing and machine learning to flag apnea events, not just sleep stage guesses. It applies signal…
Talk
Leveraging Activity Recognition to Enable Protective Behavior Detection in Continuous DataChongyang Wang, Yuan Gao, Akhil Mathur, Nicholas D. Lane, Nadia Bianchi-Berthouze05m
A hierarchical HAR-PBD architecture combines GC-LSTM graph convolutions with LSTM to detect protective behavior in continuous wearable data where protective…
Talk on
VibroMap: Understanding the Spacing of Vibrotactile Actuators across the BodyHesham Elsayed, Martin Weigel, Florian Müller, Martin Schmitz, Karola Marky, Sebastian Günther, Jan Riemann, Max Mühlhäuser06m
Two controlled experiments map minimum and maximum inter-motor distances for vibrotactile arrays using ERM vibration motors mounted on cloth, tested at seven…
Talk on
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 Oh06m
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…
Talk on
CrossGR: Accurate and Low-cost Cross-target Gesture Recognition Using Wi-FiXinyi Li, Liqiong Chang, Fangfang Song, Ju Wang, Xiaojiang Chen, Zhanyong Tang, Zheng Wang06m
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…
Talk on
Contrastive Predictive Coding for Human Activity RecognitionHarish Haresamudram, Irfan Essa, Thomas Plötz06m
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…
Talk on
Context-aware Adaptive Surgery: A Fast and Effective Framework for Adaptative Model PartitionHongli Wang, Bin Guo, Jiaqi Liu, Sicong Liu, Yungang Wu, Zhiwen Yu06m
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…
Talk on
S3: Side-Channel Attack on Stylus Pencil through SensorsHabiba Farrukh, Tinghan Yang, Hanwen Xu, Yuxuan Yin, He Wang, Z. Berkay Celik06m
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…
Talk on
Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound AuthenticationYang Gao, Yincheng Jin, Jagmohan Chauhan, Seokmin Choi, Jiyang Li, Zhangpeng Jin06m
System authenticates users by measuring speaking-induced body sound in the ear canal and exploiting left/right asymmetry, claiming passphrase-independence and…
Talk on
CrowdAct: Achieving High-Quality Crowdsourced Datasets in Mobile Activity RecognitionNattaya Mairittha, Tittaya Mairittha, Paula Lago, Sozo Inoue06m
CrowdAct deploys an Android app and backend that combine active learning + gamification with an inaccuracy detection via supervised ML to produce…
Talk on
FG-LiquID: A Contact-less Fine-grained Liquid Identifier by Pushing the Limits of ...Yumeng Liang, Anfu Zhou, Huanhuan Zhang, XinZhe Wen, Huadong Ma06m
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…
Talk
Fall Detection via Inaudible Acoustic SensingJie Lian, Xu Yuan, Ming Li, Nian-Feng Tzeng06m
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…
Talk
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 Rawassizadeh06m
Quantitative analysis of 2009–2020 data from DBLP, PubMed, Twitter, Google News, Bing News, Kickstarter and Indiegogo uses 42 keywords and LDA topic modeling…
Talk on
Orbuculum – Predicting When Users Intend to Leave Large Public DisplaysFlorian Alt, Daniel Buschek, David Heuss, Jörg Müller06m
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…
Talk on
Detecting Stressful Social Interactions Using Wearable Physiological and Inertial SensorsRummana Bari, Md Mahbubur Rahman, Nazir Saleheen, Megan Battles Parsons, Eugene H. Buder, Santosh Kumar06m
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…
Talk on
Inverse Foraging: Inferring Users’ Interest in Pervasive DisplaysMaria L. Montoya Freire, Antti Oulasvirta, Mario Di Francesco06m
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…
Talk on
RF Vital Sign Sensing Under Free Body MovementJian Gong, Xinyu Zhang, Kaixin Lin, Ju Ren, Yaoxue Zhang, Wenxun Qiu05m
System combines direct RF sensing during static windows with movement power estimation and LSTM predictors to infer heart rate and respiration under ambulant…
Talk on
LAX-Score: Quantifying Team Performance in Lacrosse and Exploring IMU Features towards ...Patrick Chwalek, David Ramsay, Joe Paradiso06m
A reproducible team-performance metric called LAX-Score = normalized weighted sum of game features maps linearly to winning percentage, fits a Gaussian (a…
Talk on
Authenticating Drivers Using Automotive BatteriesLiang He, Yuanchao Shu, Youngmoon Lee, Dongyao Chen, Kang G. Shin06m
BAuth authenticates drivers by reading a battery voltage fingerprint produced by a driver’s customized start sequence and matching that fingerprint on an…
Talk on
DriverSonar: Fine-Grained Dangerous Driving Detection Using Active SonarHongbo Jiang, Jingyang Hu, Daibo Liu, Jie Xiong, Minjie Cai06m
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…
Talk
ViscoCam: Smartphone-based Drink Viscosity Control Assistant for Dysphagia PatientsKechang An, Qian Zhang, Elaine Kwong06m
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…
Talk on
Multi-Head Spatio-Temporal Attention Mechanism For Urban Anomaly Event PredictionHuiqun Huang, Xi Yang, Suining He06m
Proposes M-STAP, a citywide anomaly distribution predictor that combines Multi-Head Self-attention over regions, local convolutional spatial filters, a…
Talk on
Full-Dimension Relative Positioning for RFID-Enabled Self-Checkout ServicesChunhui Duan, Jiajun Liu, Xuan Ding, Zhenhua Li, Yunhao Liu06m
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…
Talk on
WR-Hand: Wearable Armband can Track User's HandYang Liu, Chengdong Lin, Zhenjiang Li06m
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…
Talk on
Efficient Schedule of Energy-Constrained UAV Using Crowdsourced Buses in Last-Mile Parcel DeliveryYan Pan, Shining Li, Qianwu Chen, Nan Zhang, Tao Cheng, Zhigang Li, Bin Guo, Qingye Han, Ting Zhu06m
Uses wireless chargers mounted on crowdsourced buses and a proposed Energy-Neutral Flight Principle plus a dispatching algorithm to schedule battery-limited…
Talk on
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 Gao06m
An end-to-end raw-audio model takes uncropped recordings, combining 1D CNN + pre-trained MobileNet and heavy augmentation, trained on multiple public datasets…
Talk on
NeckFace: Continuously Tracking Full Facial Expressions on Neck-mounted WearablesTuochao Chen, Yaxuan Li, Songyun Tao, Hyunchul Lim, Mose Sakashita, Ruidong Zhang, François Guimbretière, Cheng Zhang06m
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…
Talk on
MoCapaci: Posture and gesture detection in loose garments using textile cables as capacitiveHymalai Bello, Bo Zhou, Sungho Suh, Paul Lukowicz06m
A loose-fitting MoCaBlazer prototype embeds four textile antenna channels (Interactive Wear cables) with OpenTheremin V3 hardware to sense posture and gestures…
Talk
~/search
type to search 6,249 conferences, 138,987 speakers and 185,172 talks
~/help
cmdctrl k
search every conference, speaker and series
/
focus the filter search
h
home
c
conferences
s
speakers
e
series
t
light / dark — the status bar button does the same
?
this help
esc
close this, then clear every filter — or just the search, while you are typing in it

Ignored while you are typing. Pages without a filter rail have no search to focus.