擅长:python、mysql、java
<p>有很多方法可以做到这一点:</p>
<p><strong>使用numpy:</strong></p>
<pre><code>import numpy as np
thresholds = []
for i in range(0,4):
thresholds.append(threshold_otsu(img[crdf[i]],16))
mean_threshold = np.mean(thresholds)
</code></pre>
<p><strong>不使用numpy:</strong></p>
<pre><code>threshold_sum = 0
i_values = range(0,4)
for i in i_values:
threshold_sum += threshold_otsu(img[crdf[i]],16)
mean_threshold = threshold_sum / len(i_values)
</code></pre>