Function method_3

python/code_045/opencv_045.py:18–22

(image)

def method_3(image): 
    blurred = cv.pyrMeanShiftFiltering(image, 10, 100)  # 先均值迁移去噪声
    gray = cv.cvtColor(blurred, cv.COLOR_BGR2GRAY)
    t, binary = cv.threshold(gray, 0, 255, cv.THRESH_BINARY | cv.THRESH_OTSU)
    return binary


src = cv.imread("coins.jpg")