Florian Alt
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| title | conference | date |
|---|---|---|
| “I do (not) need that Feature!” – Understanding Users’ Awareness and Control of Privacy | SOUPS 2024 | 2024-08-11 |
A two‑week field study deploys a custom Android app to 132 participants to scan installed apps every two hours, push experience‑sampling prompts, and log 2,866… | ||
| Bi-3D: Bi-Manual Pen-and-Touch Interaction for 3D Manipulation on Tablets | UIST 2021 | 2021-10-10 |
A tablet prototype implements Bi-3D, a 3DOF bi-manual pen+touch technique where the pen drags in-screen and a pinch gesture moves the object in depth… | ||
| Orbuculum – Predicting When Users Intend to Leave Large Public Displays | UbiComp 2021 | 2021-09-21 |
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… | ||
| Understanding Face and Eye Visibility in Front-Facing Cameras of Smartphones used in the Wild | CHI 2018 | 2018-04-21 |
Field study installs a recorder app on 11 phones for two weeks and collects 25,726 in‑the‑wild photos plus sensor and app logs; full face appears only 29% full… | ||
| Your Eyes Tell: Leveraging Smooth Pursuit to Assess Cognitive Workload | CHI 2018 | 2018-04-21 |
The paper examines using smooth pursuit eye movements to infer users' cognitive workload during interaction. The authors ran a user study (N=20) comparing… | ||
| EyeScout: Active Eye Tracking for Position and Movement Independent Gaze Interaction with Large ... | UIST 2017 | 2017-10-22 |
EyeScout mounts a commercial eye tracker on a motorized rail and uses a Kinect body tracker plus an Arduino-driven stepper to move the sensor to each user… | ||
| HeartChat: Heart Rate Augmented Mobile Chat to Support Empathy and Awareness | CHI 2017 | 2017-05-06 |
Built an Android chat that links a Polar BLE chest strap to messages and logs heart rate per message, real‑time at the top, or sent explicitly via a button… | ||
| ProbUI: Generalising Touch Target Representations to Enable Declarative Gesture Definition for ... | CHI 2017 | 2017-05-06 |
A framework called ProbUI turns static bounding boxes into declarative gesture specifications that automatically map to simple probabilistic models (HMMs with… | ||
| Stay Cool! Understanding Thermal Attacks on Mobile-based User Authentication | CHI 2017 | 2017-05-06 |
A user-study (N=18) demonstrates thermal cameras and a custom OpenCV C++ analyzer recover PINs and Android lock patterns from a single thermal frame; PINs show… | ||
| Evaluating the Influence of Targets and Hand Postures on Touch-based Behavioural Biometrics | CHI 2016 | 2016-05-07 |
Study uses 150,000 touches from 24 users across two sessions a week apart, four target types at 400 screen locations, and trains regression surface models on… | ||
| GravitySpot: Guiding Users in Front of Public Displays Using On-Screen Visual Cues | UIST 2015 | 2015-11-08 |
System implements visual cues (color, shape, motion) applied to screen content and uses Kinect-based 2D tracking to pull people to arbitrary “sweet spots.” Lab… | ||
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