Canny-egde, Histogram equalization, OpenCv
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Using cv2.equalizeHist() See the different in output image after apply cv2.equalizeHist() on gray image and on each color channel. combine three color channels to product new color output image
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impose canny edge on the real-time camera press a,d to increase and decrease alpha by 0.1 press p plus 10 from minVal press m to minus 10 from maxVal
#. data augmentation will update later