Measuring Browser Webcam Gaze Honestly: A Capture-Clock Methodology and Open Reference Implementation
Browser-based webcam gaze trackers are increasingly used for crowd-scale data collection and in clinical settings where lab eye trackers are impractical, but the reported latency numbers may not represent real world functionality. The common practice of timestamping each gaze sample when it is emitted, rather than when its source frame was captured, makes the measured inference latency read about $0\,$ms no matter how slow the engine really is. We show how to measure it honestly, recovering a pe
Record details
Published: 12 August 2026
Source: arXiv cs.HC
Category: Research
Topics: Healthcare
Retrieved: 13 August 2026
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ethics.ai (12 August 2026), “Measuring Browser Webcam Gaze Honestly: A Capture-Clock Methodology and Open Reference Implementation,” evidence record 19050, https://ethics.ai/record/19050 (originally published by arXiv cs.HC).
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