Reverse and splice python tuple
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""" About: | |
img is an OpenCV 2 object. img.shape prints a tuple as (height, width, channels) e.g. (512, 768, 3) | |
We need a tuple as (width, height) e.g. (768, 512) | |
""" | |
import cv2 | |
image_path = './image.jpg' | |
img = cv2.imread(image_path, flags=cv2.CV_LOAD_IMAGE_COLOR) | |
print img.shape # (512, 768, 3) | |
print img.shape[::-1] # (3, 768, 512) | |
print img.shape[1::-1] # (768, 512) |
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