方盒滤波

cv2.boxFilter()
image.png

  • ksize：卷积核大小
  • 相当于均值滤波
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    #!/usr/bin/env python
    # -*- coding: UTF-8 -*-
    """
    @Project ：Opencv学习 
    @File    ：方盒滤波和均值滤波.py
    @IDE     ：PyCharm 
    @Author  ：咋
    @Date    ：2023/1/13 19:54 
    """
    import cv2
    import numpy as np
    image = cv2.imread("Handsome.jpg")
    image = cv2.resize(image,(640,480))
    # 方盒滤波
    box_img = cv2.boxFilter(image,-1,(5,5),normalize = True)
    cv2.imshow("box_img",np.hstack((image,box_img)))
    cv2.waitKey(0)
    cv2.destroyAllWindows()

image.png

均值滤波

cv2.blur()
image.png

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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""
@Project ：Opencv学习 
@File    ：方盒滤波和均值滤波.py
@IDE     ：PyCharm 
@Author  ：咋
@Date    ：2023/1/13 19:54 
"""
import cv2
import numpy as np
image = cv2.imread("Handsome.jpg")
image = cv2.resize(image,(640,480))
# 方盒滤波
# box_img = cv2.boxFilter(image,-1,(3,3),normalize = True)
# 均值滤波
blur_img = cv2.blur(image,(5,5))
cv2.imshow("blur_img",np.hstack((image,blur_img)))
cv2.waitKey(0)
cv2.destroyAllWindows()

image.png