python matplotlib在圖像上畫方框

今天用matplotlib畫方框，發現死活畫不上去，opencv一會兒就畫上去了，可是jupyter用matplotlib居多，我這裏分享一下我顯示方框的代碼：html import numpy as np import matplotlib.pyplot as plt # 導入繪圖包 from PIL import Image import matplotlib.patches as patch

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