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from cv2 import selectROI
from function.GeometricTrans.LargeSmall import largeSmall
def cut(img,rate):
# 得到手动裁剪的矩形区域
bbox = selectROI(img, False)
cut = img[bbox[1]:bbox[1] + bbox[3], bbox[0]:bbox[0] + bbox[2]]
return largeSmall(cut, rate)