# iTrace: verification-first webcam eye-movement analysis

**Daniel Ari Friedman** (2026) · *Zenodo*

[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.20614909.svg)](https://doi.org/10.5281/zenodo.20614909)

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## Abstract

iTrace is an MIT-licensed Python toolkit for webcam-derived gaze, saccade, pupil, and quality diagnostics. Version 0.4.1 is a diagnostic v1 release: the pure NumPy/SciPy core is algorithmically verified against synthetic and closed-loop oracles, the optional webcam shell exports derived records, and the empirical ledger covers a single-participant, single-device, five-session diagnostic pilot. This release does not claim reference-device accuracy, cross-device generality, population generality, or webcam-accuracy validation.

## Keywords

eye-tracking · webcam · gaze · saccades · pupillometry · open-source · diagnostic-pilot

## Publication Details

| Field | Value |
|------|-------|
| **DOI** | [10.5281/zenodo.20614909](https://doi.org/10.5281/zenodo.20614909) |
| **Published** | 2026-06-09 |
| **Version** | 0.4.1 |
| **Zenodo record** | https://zenodo.org/records/20614909 |
| **GitHub release** | https://github.com/docxology/itrace/releases/tag/v0.4.1 |
| **Source repository** | https://github.com/docxology/itrace |

## Files

- `itrace-0.4.1-manuscript.pdf` - Zenodo PDF

## Citation

> Friedman, D. A. (2026). *iTrace: verification-first webcam eye-movement analysis*. Zenodo. https://doi.org/10.5281/zenodo.20614909

## Related

- Zenodo record: https://zenodo.org/records/20614909
- GitHub release: https://github.com/docxology/itrace/releases/tag/v0.4.1
- Source repository: https://github.com/docxology/itrace
- [Full Bibliography](../../pages/BIBLIOGRAPHY.md) · [All Papers](../README.md)