# coding=gbk
import cv2

def cny(filepath):#±ßÔµ¼ì²â
    src = cv2.imread(filepath+'image1.png')

    src = cv2.GaussianBlur(src, (3, 3), 0)
    grayImage = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
    gradx = cv2.Sobel(grayImage, cv2.CV_16SC1, 1, 0)
    grady = cv2.Sobel(grayImage, cv2.CV_16SC1, 0, 1)
    edge_output = cv2.Canny(gradx, grady, 50, 150)

    cv2.imwrite(filepath + "canny.png", edge_output)

if __name__ == '__main__':
    filepath = 'pic/'
    cny(filepath)