OpenCV图像处理技术（Python）——图像金字塔

OpenCV图像处理技术（Python）——图像金字塔

© Fu Xianjun. All Rights Reserved.

1.图像金字塔
知识储备1：

知识储备2：

1.1高斯金字塔

import cv2
import numpy as np

def pyramid_demo(image,level):
temp = image.copy()
pyramid_images = []
for i in range(level):
dst = cv2.pyrDown(temp)
pyramid_images.append(dst)
cv2.imshow(“pyramid_down_”+str(i), dst)
temp = dst.copy()
return pyramid_images[level-1]

src = cv2.imread(“lena.jpg”)
cv2.imshow(“input