A fatigue detection method for personnel in fixed positions based on information fusion
A fatigue detection and fusion algorithm technology, applied in the field of image processing, can solve problems such as poor robustness, failure to meet actual product requirements, and large impact of light
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[0057] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0058] The invention discloses a fatigue detection method for personnel in fixed positions based on information fusion, such as figure 1 shown, including the following steps:
[0059] S1: Image preprocessing:
[0060] Image size is one of the important factors affecting image processing speed. By scaling the input image, the efficiency and accuracy of face detection in the video image can be effectively improved; secondly, the image is enhanced by histogram equalization and the image is denoised by Gaussian filtering, which is convenient for future Extract the feature points of the image.
[0061] S2: Face detection:
[0062] Face detection is realized by using HOG feature + cascade classifier. The extraction of HOG features firstly grayscales the input image, and uses the Gamma correction method to normalize the image to reduce the interference ca...
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