python库找到图像轮廓 [英] python library to find outline of image

问题描述

我正在使用Python和PyQt4。我正在寻找一个可以找到图像轮廓路径（位图）的库。 轮廓路径是指一个多边形，它将图像中间的填充（非透明）像素与周围的透明像素分开。

I am working with Python and PyQt4. I am looking a library with which I can find the outline path of an image (bitmap). With "outline path" I mean a polygon, which separates filled (non-transparent) pixels in the middle of the image from transparent pixels surrounding them.

我找不到任何通过谷歌，这让我想知道我是否使用正确的搜索条件。

I can not find anything via google, which kind of makes me wonder if I am using the correct search terms.

谢谢！

推荐答案

OpenCV有一个名为 FindContours的功能做我想做的事。

OpenCV has a function called FindContours which does what I want.

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