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import cv2 #瀵煎叆cv2妯″潡锛屼娇鐢╫pencv

鐩稿叧鎿嶄綔绀轰緥锛?p>璋冪敤opencv璇诲彇骞跺垱寤虹伆搴﹀浘鍍忥紝鎸塀GR椤哄簭

im = cv2.imread('empire.jpg') //鎸囧畾鍥剧墖
gray = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY) #BGR椤哄簭