Improved Facial Action Unit Recognition using Local and Global Face Features | ||
| Journal of AI and Data Mining | ||
| دوره 11، شماره 2، تیر 2023، صفحه 213-220 اصل مقاله (1.43 M) | ||
| نوع مقاله: Original/Review Paper | ||
| شناسه دیجیتال (DOI): 10.22044/jadm.2023.12122.2364 | ||
| نویسندگان | ||
| Amin Rahmati؛ Foad Ghaderi* | ||
| Human-Computer Interaction Lab., Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran. | ||
| چکیده | ||
| Every facial expression involves one or more facial action units appearing on the face. Therefore, action unit recognition is commonly used to enhance facial expression detection performance. It is important to identify subtle changes in face when particular action units occur. In this paper, we propose an architecture that employs local features extracted from specific regions of face while using global features taken from the whole face. To this end, we combine the SPPNet and FPN modules to architect an end-to-end network for facial action unit recognition. First, different predefined regions of face are detected. Next, the SPPNet module captures deformations in the detected regions. The SPPNet module focuses on each region separately and can not take into account possible changes in the other areas of the face. In parallel, the FPN module finds global features related to each of the facial regions. By combining the two modules, the proposed architecture is able to capture both local and global facial features and enhance the performance of action unit recognition task. Experimental results on DISFA dataset demonstrate the effectiveness of our method. | ||
| کلیدواژهها | ||
| Facial action recognition؛ facial action units؛ deep learning | ||
| مراجع | ||
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