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- W3175323916 abstract "In order to improve the recognition rate of weak annotation data in facial expression recognition task, this paper proposes a multi-scale and multi-region vector triangle texture feature extraction scheme based on weakly supervised clustering algorithm. According to the information gain rate of extracted features, combined with threshold selection and random dropout strategy, the best selection of vector triangle texture feature scale is explored, and the feature space is optimized under the premise of sufficient feature space information, the reduction of feature space is realized and the information redundancy is reduced. For the positive and negative expression units, the facial expression images in the data set are divided into two categories. The positive and negative facial expressions are taken to form the same kind of samples, the positive and negative facial expressions are taken to form the positive and negative samples, and the annotation labels are taken to form the weak annotation labels. The experimental results show that the best recognition rate of the proposed scheme is 84.1%, which is 5.8% higher than the unoptimized texture feature scheme." @default.
- W3175323916 created "2021-07-05" @default.
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- W3175323916 date "2021-01-01" @default.
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- W3175323916 title "Texture feature extraction and optimization of facial expression based on weakly supervised clustering" @default.
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- W3175323916 doi "https://doi.org/10.1080/21642583.2021.1943725" @default.
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