用于检测图像中的圆的算法 [英] algorithm for detecting a circle in an image
问题描述
我正在寻找一种算法来检测图像中的圆圈。图像是黑白的。背景为白色，圆圈彼此不重叠，或图像中的任何其他元素。
图像包含一些其他形状和一些文本。
I'm looking for an algorithm to detect circles in an image. The image is black and white. The background is white, and the circles don't overlap each other, or any other element in the image. The image includes some other shapes and some text.
如果有一些开源.NET库来做这件事，我也想知道它。
If there is some open source .NET library to do this, I would also like to know about it.
推荐答案
也许霍夫变换对你有用。你必须事先知道圆圈的大小才能使其高效。
Maybe the "Hough Transform" is useful for you. You have to know the circle's size in advance to make it efficient though.
- http://www.cis.rit.edu/class/simg782/lectures/lecture_10/lec782_05_10.pdf
- http://en.wikipedia.org/wiki/Hough_Transform
- http://www.cis.rit.edu/class/simg782/lectures/lecture_10/lec782_05_10.pdf
- http://en.wikipedia.org/wiki/Hough_Transform
昨天有一个类似的问题，其中霍夫变换和一些图像处理库（虽然不是.NET）被提议：
There was a similar question yesterday, where the "Hough Transform", and some image processing libraries (though not for .NET) were proposed:
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