import cv2
def getImageVar(imgPath):
image = cv2.imread(imgPath)
img2gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
imageVar = cv2.Laplacian(img2gray, cv2.CV_64F).var()
return imageVar
imageVar = getImageVar("./lena.jpg")
print(imageVar)
输出结果:
2119.0913581351697