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Title: Online learners’ reading ability detection based on eye-tracking sensors
Authors: Zhan, Z
Zhang, L
Mei, H
Fong, PSW 
Keywords: Computational model
Eye-tracking sensors
Online learner
Reading ability detection
Issue Date: 2016
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Sensors, 2016, v. 16, no. 9, 1457 How to cite?
Journal: Sensors 
Abstract: The detection of university online learners’ reading ability is generally problematic and time-consuming. Thus the eye-tracking sensors have been employed in this study, to record temporal and spatial human eye movements. Learners’ pupils, blinks, fixation, saccade, and regression are recognized as primary indicators for detecting reading abilities. A computational model is established according to the empirical eye-tracking data, and applying the multi-feature regularization machine learning mechanism based on a Low-rank Constraint. The model presents good generalization ability with an error of only 4.9% when randomly running 100 times. It has obvious advantages in saving time and improving precision, with only 20 min of testing required for prediction of an individual learner’s reading ability.
EISSN: 1424-8220
DOI: 10.3390/s16091457
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