Expression label correction and identification method based on separable residual attention network
An expression label and recognition method technology, applied in the field of robust facial expression recognition, can solve problems such as less consideration of sample imbalance and uncertain labels, and the identification of unknown samples that affect the network learning effect, so as to achieve easy training and Generalization, solving the effect of gradient disappearance, and enhancing representation ability
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[0067] In this embodiment, a method for correction and recognition of expression tags based on a separable residual attention network, such as figure 1 As shown, the whole includes three major steps, feature extraction after preprocessing, and finally label correction; the specific steps include: first collect facial expression data and use the MERC method for preprocessing, such as image 3 shown; and then build a facial expression feature extraction network based on separable residual attention, such as Figure 4 As shown, it includes in turn: shallow network module, separable residual attention module DSA, such as Figure 5 As shown, and the weight output module; then use the label correction module LA, such as Figure 6 As shown, the uncertainty expression sample labels with lower weights are corrected; finally, combined with the self-attention weight cross-entropy loss L SCE , sorting regularization loss L RR and the category weight cross-entropy loss L CCE The networ...
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