opencv sobe 边缘检测算子

#coding=utf-8
import cv2
import numpy as np  
 
img = cv2.imread("jr.png", 0)
 
x = cv2.Sobel(img,cv2.CV_16S,1,0)
y = cv2.Sobel(img,cv2.CV_16S,0,1)
 
absX = cv2.convertScaleAbs(x)   # 转回uint8
absY = cv2.convertScaleAbs(y)
 
dst = cv2.addWeighted(absX,0.5,absY,0.5,0)
 
cv2.imshow("absX", absX)
cv2.imshow("absY", absY)
 
cv2.imshow("Result", dst)
 
cv2.waitKey(0)
cv2.destroyAllWindows()