Sunday, 27 November 2016

c++ - Get a single line representation for multiple close by lines clustered together in opencv

I detected lines in an image and drew them in a separate image file in OpenCv C++ using HoughLinesP method. Following is a part of that resulting image. There are actually hundreds of small and thin lines which form a big single line.



enter image description here



But I want single few lines that represent all those number of lines. Closer lines should be merged together to form a single line. For example above set of lines should be represented by just 3 separate lines as below.



enter image description here




The expected output is as above. How to accomplish this task.







Up to now progress result from akarsakov's answer.






(separate classes of lines resulted are drawn in different colors). Note that this result is the original complete image I am working on, but not the sample section I had used in the question



enter image description here

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