python下采样_python + opencv 如何在上采样下采样之后导出图片?
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import cv2
def pyramid_demo(image):
level = 3
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
def lapalian_demo(image):
pyramid_images = pyramid_demo(image)
level = len(pyramid_images)
for i in range(level-1,-1,-1):
if(i-1) <0:
expand = cv2.pyrUp(pyramid_images[i], dstsize=image.shape[:2])
lpls = cv2.subtract(image, expand)
cv2.imshow("lapalian_down_" + str(i), lpls)
else:
expand = cv2.pyrUp(pyramid_images[i], dstsize=pyramid_images[i-1].shape[:2])
lpls = cv2.subtract(pyramid_images[i-1], expand)
cv2.imshow("lapalian_down_" + str(i), lpls)
print("------------- Python OpenCV Titorial -------------")
src = cv2.imread("E://renlian//renlian1//233.jpg")
cv2.namedWindow("input image",cv2.WINDOW_AUTOSIZE)
cv2.imshow("input image",src)
# pyramid_demo(src)
lapalian_demo(src)
cv2.waitKey(0)
cv2.destroyAllWindows()
這是我的代碼,可以運行,請教一下會的大神們,在我采樣完之后如何把圖片導出來(采樣的的圖片都是),試了很多方法都不行!!!
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