期刊
INTEGRATED COMPUTER-AIDED ENGINEERING
卷 24, 期 1, 页码 1-16出版社
IOS PRESS
DOI: 10.3233/ICA-160520
关键词
Activity recognition; first-person (gaze) vision; multi scale and temporal features; contextual learning; SVM
类别
资金
- European Commission under the FP7 grant (AsTeRICS project)
- CNRS/France DEFI SENS program
Patterns of gaze play an important role in video analysis and understanding human behavior. This paper proposes a novel approach to solve the problem of activity recognition from first-person gaze movements. Novel n-gram statistical features are extracted from these movements via a multi scale and temporal representation scheme. A joint classification and segmentation of activities and a spatio-temporal contextual learning approach built upon confidence values from long-range neighborhoods reinforces the novelty and efficiency of the proposed approach. Experimental results show that the proposed method improves by 18% on the current baseline.
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