Facial expression recognition method and system, and training method and system of expression classifier
A facial expression and classifier technology, applied in the field of pattern recognition, can solve problems such as unnaturalness, jumping, and discrete expression recognition results.
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[0078] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0079] The expressions that appear in a spontaneous state are continuous, from neutral to exaggerated, and the normal expressions of various expressions are often relatively weak. Therefore, the sequence recognition from weak expressions to strong exaggerated expressions is a practical expression recognition method. The key to naturalization and naturalization.
[0080] One of the core concepts of the embodiments of the present invention is to use weak expression changes as the prelude of the entire sequence of expressions from occurrence to end. Specifically, based on the learning method, the continuous facial expression library is trained. Since the continuous facial expression sequence includes neutral expression sequence, weak...
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