Expression detecting device and method
A detection method and detection device technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve problems such as difficulty in using embedded platforms, huge amount of calculation of facial expression detection technology, and influence on the correctness of expression detection results, etc. , to achieve the effect of low computation
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[0024] Please refer to figure 1 , figure 1 is a schematic diagram of an expression detection device according to an embodiment of the present invention. The expression detection device 10 includes a gray scale image generation unit 110 , a face edge detection unit 120 , a dynamic skin color extraction unit 130 , a face contour generation unit 140 and an expression detection unit 150 . The grayscale image generating unit 110 generates a grayscale image S2 according to the original image S1. The face edge detection unit 120 outputs a face edge detection result S3 according to the gray scale image S2. Wherein, the face edge detection unit 120, for example, detects the gray scale image S2 on the horizontal edge to output the face edge detection result S3. The dynamic skin color extraction unit 130 generates a dynamic skin color extraction result according to the original image S1, and generates a face and background segmentation result S4 according to the dynamic skin color ext...
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