Beard detection method and system in video image
A technology of video images and bearded beards, applied in the field of image recognition, can solve problems such as difficult monitoring and prevention, difficult recognition of facial features, and real-time analysis of images that cannot be collected
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[0028] In the following, the substantive features and advantages of the present invention will be further explained with examples, but the present invention is not limited to the listed embodiments.
[0029] See figure 1 As shown, a method for detecting a beard in a video image includes the following steps:
[0030] S101: Set a region of interest to be detected in the video image according to the width and height of the acquired video image;
[0031] S102, performing foreground detection on the region of interest according to a preset foreground detection method to obtain a foreground region;
[0032] S103: Perform face detection based on Haar features in the foreground area to obtain a face area;
[0033] S104: Perform skin color detection on the face area, and locate the mouth area;
[0034] S105: Calculate the proportion of skin color pixels in the mouth area to the total pixels in the mouth area, and determine whether the proportion exceeds a set threshold, if it exceeds, it is deter...
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