import numpy as np import random def randomCut(img, sizex, sizey): # 随机剪裁(w, h)的np矩阵img,得到(sizex, sizey)大小的矩阵imgnew w, h = img.shape x_min = random.randint(0, w-sizex) y_min = random.randint(0, h-sizey) imgnew = img[x_min:x_min+sizex, y_min:y_min+sizey] return imgnew