Knowledge Commons of Institute of Automation,CAS
DISCRIMINATIVE VIDEO REPRESENTATION WITH TEMPORAL ORDER FOR MICRO-EXPRESSION RECOGNITION | |
Mingyue Niu1,2; Jianhua Tao1,2,3; Ya Li1,2; Jianhuang1,2; Zheng Lian1,2 | |
2019 | |
会议名称 | International Conference on Acoustics, Speech and Signal Processing |
会议日期 | 2019-5 |
会议地点 | 英国布莱顿 |
摘要 | Micro-expression recognition is a challenging task due to its low intensity and short duration and how to extract the subtle facial changes is a key issue in this field. Although there are many methods attempt to cope with this problem, they are difficult to encode the temporal order of all frames in the video clips. For these reasons, this paper employs rank pooling and l2,1-norm to obtain the discriminative video representation with temporal order. In particular, we extract Local Two-Order Gradient Pattern (LTOGP) feature of each frame to describe the subtle information. Then, the video representation is generated by using rank pooling, which captures the temporal order among all frames. Furthermore, considering the sparsity of l2,1-norm, we can select those discriminant features. Finally, micro-expression classification is accomplished using SVM. Experiments are conducted on two publicly available micro-expression databases i.e. CASME and CASME2. The results demonstrate that our method achieves better performance than the state-of-the-art algorithms. |
收录类别 | EI |
七大方向——子方向分类 | 多模态智能 |
文献类型 | 会议论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/44399 |
专题 | 多模态人工智能系统全国重点实验室_智能交互 |
通讯作者 | Mingyue Niu |
作者单位 | 1.National Laboratory of Pattern Recognition, CASIA, Beijing, China 2.School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China 3.CAS Center for Excellence in Brain Science and Intelligence Technology, Beijing, China |
第一作者单位 | 中国科学院自动化研究所 |
通讯作者单位 | 中国科学院自动化研究所 |
推荐引用方式 GB/T 7714 | Mingyue Niu,Jianhua Tao,Ya Li,et al. DISCRIMINATIVE VIDEO REPRESENTATION WITH TEMPORAL ORDER FOR MICRO-EXPRESSION RECOGNITION[C],2019. |
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Discriminative video(493KB) | 会议论文 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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