对于图像中的分割而言,颜色似乎比强度更好.尝试将其转换为HSV,然后在H通道上运行OTSU.
在python中
hsv = cv2.cvtColor(image,cv2.cv.CV_BGR2HSV)
cv2.imshow('hsv',hsv[:,:,0])
(thresh,im_bw) = cv2.threshold(hsv[:,0],128,255,cv2.THRESH_BINARY | cv2.THRESH_OTSU)
cv2.imshow('OTSU',im_bw)
给(hsv)
然后(OTSU)
有点腐蚀和扩张,你应该好好去