ArticleJournal of biophotonics2025
Microsaccades Tracking by Secondary Speckle Pattern Analysis.
Article in Journal of biophotonics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Microsaccades Tracking by Secondary Speckle Pattern Analysis.Journal of biophotonics · 2025Article
- Laser speckle contrast imaging with principal component and entropy analysis: a novel approach for depth-independent blood flow assessment.Frontiers of optoelectronics · 2025Article
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Authors and funding
7 authors.
Funding
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Abstract
Here we propose a not pupil-dependent microsaccades tracking technique and a novel detection method. We present a proof of concept for detecting microsaccades using a non-contact laser-based photonic system recording and processing the temporal changes of speckle patterns scattered from an eye sclera. The data, simultaneously recorded by the speckle-based tracker (SBT) and the video-based eye tracker (Eyelink), was analyzed by the frequently used detection method of Engbert and Kliegl (E&K) and by advanced machine learning detection (MLD) techniques. We detected 93% of microsaccades in the SBT data out of microsaccades detected in the Eyelink data with the E&K method. By utilizing MLD, a precision of 86% was achieved. The findings of our study demonstrate a potential improvement in measuring tiny eye movements, such as microsaccades, using speckle-based eye tracking and, thus, an alternative to video-based eye tracking for detecting microsaccades.
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Registered trials
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