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231229s2024 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2023.3345177
|2 doi
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|a eng
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| 100 |
1 |
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|a Zhang, Yi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Facial Prior Guided Micro-Expression Generation
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|c 2024
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|a Date Completed 10.01.2024
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|a Date Revised 10.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a This paper focuses on the facial micro-expression (FME) generation task, which has potential application in enlarging digital FME datasets, thereby alleviating the lack of training data with labels in existing micro-expression datasets. Despite obvious progress in the image animation task, FME generation remains challenging because existing image animation methods can hardly encode subtle and short-term facial motion information. To this end, we present a facial-prior-guided FME generation framework that takes advantage of facial priors for facial motion generation. Specifically, we first estimate the geometric locations of action units (AUs) with detected facial landmarks. We further calculate an adaptive weighted prior (AWP) map, which alleviates the estimation error of AUs while efficiently capturing subtle facial motion patterns. To achieve smooth and realistic synthesis results, we use our proposed facial prior module to guide motion representation and generation modules in mainstream image animation frameworks. Extensive experiments on three benchmark datasets consistently show that our proposed facial prior module can be adopted in image animation frameworks and significantly improve their performance on micro-expression generation. Moreover, we use the generation technique to enlarge existing datasets, thereby improving the performance of general action recognition backbones on the FME recognition task. Our code is available at https://github.com/sysu19351158/FPB-FOMM
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|a Journal Article
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| 700 |
1 |
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|a Xu, Xinhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Youjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wen, Yuhang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Zixuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Mengyuan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 33(2024) vom: 10., Seite 525-540
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|g volume:33
|g year:2024
|g day:10
|g pages:525-540
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|u http://dx.doi.org/10.1109/TIP.2023.3345177
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