Human face detection and tracking method based on Gaussian skin color model and feature analysis
A Gaussian skin color model and face detection technology, applied in image analysis, character and pattern recognition, image data processing, etc., can solve the problems of sensitivity to environmental brightness changes, slow detection speed, and reduced recognition accuracy
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[0068] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0069] The face detection and tracking method based on Gaussian skin color model and feature analysis that the present invention proposes comprises the following steps:
[0070] Step 1: Image skin color segmentation: establish a Gaussian skin color model in the YCbCr space through the statistical results of the face image data; convert the obtained video sequence images from the RGB color space to the YCbCr space, and substitute into the Gaussian model to calculate the skin color likelihood; through analysis Likelihood results, the adaptive threshold is selected to segment the skin color of the image to obtain the skin color area; the skin color image is closed to remove shot noise.
[0071] In the process of establishing the human face skin color model, according to statistical principles, it is considered that the distribution of human face skin color in th...
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