[python-opencv] 模糊操作

#均值模糊 (2,8)高模糊2 宽模糊8
def blur_demo(image):
    dst = cv.blur(image,(2,8))
    cv.imshow(‘blur_demo‘,dst)

#中值模糊 适合椒盐噪声去噪
def median_blur_demo(image):
    dst = cv.medianBlur(image,5)
    cv.imshow(‘median_blur_demo‘,dst)

#自定义模糊
def customer_blur_demo(image):
    #定义卷积核---均值模糊的效果
    # kernel = np.ones([5,5],np.float32/25)
    # 定义卷积核---锐化
    kernel = np.array([[0,-1,0],[-1,5,-1],[0,-1,0]],np.float32)

    dst = cv.filter2D(image,-1,kernel=kernel)
    cv.imshow(‘customer_blur_demo‘,dst)