擅长:python、mysql、java
<p>在执行任何操作之前,您可能需要增强图像。在查看<a href="https://en.wikipedia.org/wiki/Unsharp_masking#Digital_unsharp_masking" rel="nofollow noreferrer">this Wikipedia page</a>时,我遇到了以下用于取消锐化遮罩的公式:</p>
<p><strong>锐化=原始+(原始-模糊)×数量</strong></p>
<p>假设<code>amount = 1</code>,我编写了以下代码片段:</p>
<pre><code># - resized the image (too big !!!) -
im = cv2.resize(im, (0, 0), fx = 0.3, fy = 0.3)
# - smoothen the image -
blur = cv2.GaussianBlur(im, (23, 23), 0)
# - applied the formula assuming amount = 1 -
cv2.imshow('sharpened', cv2.add(im[:,:,1], (im[:,:,1] - blur[:,:,1])))
</code></pre>
<p>我得到的是:</p>
<p><a href="https://i.stack.imgur.com/TPs2P.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/TPs2P.jpg" alt="enter image description here"/></a></p>
<p>现在尾巴更显眼了。使用此选项可以进一步增强您的检测机制。在</p>