Python noob需要一些帮助!有人可以告诉我如何使用循环重写代码吗?尝试了一些不同的语法,但似乎没有用!
img = cv2.imread("C://Users//user//Desktop//research//images//Underwater_Caustics//set1//set1_color_0001.png")
tile11=img[1:640, 1:360]
cv2.imwrite('tile11_underwater_caustic_set1_0001.png', tile11)
tile12=img[641:1280, 1:360]
cv2.imwrite('tile12_underwater_caustic_set1_0001.png', tile12)
tile13=img[1281:1920, 1:360]
cv2.imwrite('tile13_underwater_caustic_set1_0001.png', tile13)
tile21=img[1:640, 361:720]
cv2.imwrite('tile21_underwater_caustic_set1_0001.png', tile21)
tile22=img[641:1280, 361:720]
cv2.imwrite('tile22_underwater_caustic_set1_0001.png', tile22)
tile23=img[1281:1920, 361:720]
cv2.imwrite('tile23_underwater_caustic_set1_0001.png', tile23)
tile31=img[1:640, 721:1080]
cv2.imwrite('tile31_underwater_caustic_set1_0001.png', tile31)
tile32=img[641:1280, 721:1080]
cv2.imwrite('tile32_underwater_caustic_set1_0001.png', tile32)
tile33=img[1281:1920, 721:1080]
cv2.imwrite('tile33_underwater_caustic_set1_0001.png', tile33)
如您所见,图像将被切成9个相等大小的片段,如何使用循环将其写入?
最佳答案
这不会产生与您的代码相同的结果,但是会给您一些想法:
img = cv2.imread('sample.jpg')
numrows, numcols = 4, 4
height = int(img.shape[0] / numrows)
width = int(img.shape[1] / numcols)
for row in range(numrows):
for col in range(numcols):
y0 = row * height
y1 = y0 + height
x0 = col * width
x1 = x0 + width
cv2.imwrite('tile_%d%d.jpg' % (row, col), img[y0:y1, x0:x1])
关于python - 使用Python OpenCV在循环中进行图像平铺,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37842476/