擅长:python、mysql、java
<p>您不需要获得轮廓。您只需在Python/OpenCV中计算阈值图像中非零像素(白色像素)的数量。看</p>
<pre><code>area = cv2.countNonZero(thresh)
</code></pre>
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<p><a href="https://docs.opencv.org/4.1.1/d2/de8/group__core__array.html#gaa4b89393263bb4d604e0fe5986723914" rel="nofollow noreferrer">https://docs.opencv.org/4.1.1/d2/de8/group__core__array.html#gaa4b89393263bb4d604e0fe5986723914</a></p>