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논문 기본 정보

자료유형
학술저널
저자정보
Minh-Thanh Vo (Sejong University) Seong G. Kong (Sejong University)
저널정보
한국지능시스템학회 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS Vol.22 No.2
발행연도
2022.6
수록면
117 - 127 (11page)
DOI
10.5391/IJFIS.2022.22.2.117

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초록· 키워드

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This paper presents convolutional long short-term memory (C-LSTM) networks for improving the accuracy of gaze estimation. C-LSTM networks learn temporal variations in facial features while a human subject looks at objects displayed on a monitor screen equipped with a live camera. Given a sequence of input video frames, a set of convolutional layers individually extracts facial features from regions of interest such as the left eye, right eye, face, and face grid of the subject. Subsequently, an LSTM network encodes the relationships between changes in facial features over time and the position of the gaze point. C-LSTM networks are trained on a set of input-output data pairs of facial features and corresponding positions of the gaze point, and the spatial coordinates of the gaze point are determined based on the facial features of the current frame and information from previous frames to improve the accuracy of gaze estimation. Experiment results demonstrate that the proposed scheme achieves significant improvement of gaze tracking performance with average gaze estimation errors of 0.82 and 0.92 cm in the horizontal and vertical axes, respectively, on the GazeCapture dataset and an average angular error of 6.1° on the MPIIGaze dataset.

목차

Abstract
1. Introduction
2. Related Work
3. C-LSTM Networks for Gaze Estimation
4. Experimental Results
5. Conclusion
References

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