Real environment facial expression recognition method based on three-dimensional face feature reconstruction and image deep learning
A feature reconstruction, three-dimensional face technology, applied in the field of image processing, to improve the status of facial expression recognition in the real environment and improve the accuracy of the effect
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[0020] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0021] Step 1: Input the facial expression image in the real environment into the three-dimensional dense face reconstruction network, and output the facial appearance features and facial geometric features. The facial appearance features are as follows: figure 2 As shown, the present invention saves it as a smooth two-dimensional image, and the facial geometric features are as image 3 As shown, it consists of 3D coordinate information of 68 facial key points; among them, the facial appearance feature is the reconstructed appearance feature obtained after the multi-pose face image is transformed into a frontal face. In order to facilitate feature extraction, the present invention processes it as a smooth Two-dimensional image; the facial geometric feature is the three-dimensional coordinate information of several key points of the ...
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