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05/08/2023
The Importance of the Signal/Noise Distinction for Eye Movement Biometric Performance
Prior research states that sine-wave frequencies below 100 Hz carry the ...
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03/03/2023
Filtering Eye-Tracking Data From an EyeLink 1000: Comparing Heuristic, Savitzky-Golay, IIR and FIR Digital Filters
In a previous report (Raju et al.,2023) we concluded that, if the goal w...
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01/31/2023
Determining Which Sine Wave Frequencies Correspond to Signal and Which Correspond to Noise in Eye-Tracking Time-Series
The Fourier theorem proposes that any time-series can be decomposed into...
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10/14/2022
GazeBaseVR, a large-scale, longitudinal, binocular eye-tracking dataset collected in virtual reality
We present GazeBaseVR, a large-scale, longitudinal, binocular eye-tracki...
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09/16/2022
Analysis of Heuristic and Digital Filters as Applied to Video-oculography Signals
In 1993, Stampe [1993] suggested two "heurisitic" filters that were desi...
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01/24/2020
Why Temporal Persistence of Biometric Features is so Valuable for Classification Performance
It is generally accepted that relatively more permanent (i.e., more temp...
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12/04/2019
Evaluating the Data Quality of Eye Tracking Signals from a Virtual Reality System: Case Study using SMI's Eye-Tracking HTC Vive
We evaluated the data quality of SMI's tethered eye-tracking head-mounte...
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06/14/2019
Relationship between Number of Subjects and Biometric Authentication Equal Error Rates
The relationship between the number of subjects included in a biometric ...
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06/14/2019
The Linear Relationship between Temporal Persistence, Number of Independent Features and Target EER
If you have a target level of biometric performance (e.g. EER = 5 how ma...
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04/15/2019
Custom Video-Oculography Device and Its Application to Fourth Purkinje Image Detection during Saccades
We built a custom video-based eye-tracker that saves every video frame a...
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09/08/2017
Method to Detect Eye Position Noise from Video-Oculography when Detection of Pupil or Corneal Reflection Position Fails
We present software to detect noise in eye position signals from video-b...
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07/29/2017
Synthetic Database for Evaluation of General, Fundamental Biometric Principles
We create synthetic biometric databases to study general, fundamental, b...
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03/27/2017
A Study on the Extraction and Analysis of a Large Set of Eye Movement Features during Reading
This work presents a study on the extraction and analysis of a set of 10...
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09/13/2016