擅长:python、mysql、java
<p>使用<a href="https://numpy.org/doc/stable/reference/generated/numpy.in1d.html" rel="nofollow noreferrer">^{<cd1>}</a>:</p>
<pre><code>grayImg= np.array([0,3,5,102,106,4,56,107])
grayList = np.array([102,103,104,105,106,107,108,109,110,111,112,113,114,115])
grayImg[np.in1d(grayImg, grayList)] = 255
</code></pre>
<p>乌普图<code>grayImg</code>:</p>
<pre><code>array([ 0, 3, 5, 255, 255, 4, 56, 255])
</code></pre>