Gaze Estimation Approach Using Deep Differential Residual Network

Longzhao Huang, Yujie Li*, Xu Wang, Haoyu Wang, Ahmed Bouridane, Ahmad Chaddad*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Gaze estimation, which is a method to determine where a person is looking at given the person’s full face, is a valuable clue for understanding human intention. Similarly to other domains of computer vision, deep learning (DL) methods have gained recognition in the gaze estimation domain. However, there are still gaze calibration problems in the gaze estimation domain, thus preventing existing methods from further improving the performances. An effective solution is to directly predict the difference information of two human eyes, such as the differential network (Diff-Nn). However, this solution results in a loss of accuracy when using only one inference image. We propose a differential residual model (DRNet) combined with a new loss function to make use of the difference information of two eye images. We treat the difference information as auxiliary information. We assess the proposed model (DRNet) mainly using two public datasets (1) MpiiGaze and (2) Eyediap. Considering only the eye features, DRNet outperforms the state-of-the-art gaze estimation methods with angular-error of 4.57 and 6.14 using MpiiGaze and Eyediap datasets, respectively. Furthermore, the experimental results also demonstrate that DRNet is extremely robust to noise images.
Original languageEnglish
Article number5462
Number of pages14
JournalSensors
Volume22
Issue number14
DOIs
Publication statusPublished - 21 Jul 2022

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