Expression recognition method and system
A facial expression recognition and facial expression technology, applied in the field of face recognition technology, can solve problems such as large amount of calculation, high feature dimension, and high hardware requirements, and achieve the effect of improving classification effect, low performance requirements, and low cost
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[0034] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0035] In this embodiment, as figure 1 As shown, the facial expression recognition method for the captured image includes the following steps:
[0036] S1. Identify the face area in the image;
[0037] S2. Calculate the key point information in the described face area, and calculate the geometric feature vector of facial expression;
[0038] S3. Obtain the geometric feature vector data of facial expressions, and train the wei...
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