Friday, March 9, 2018

matlab - How to do De-Houghing of a Hough transform'ed Image?


I'm working with code found at Rosetta Code for creating a Hough transform. I now want to find all the lines in an image. To do so I need the ρ and θ values of each of the peaks in the Hough space. A sample output for a pentagon looks like this:


Hough Space


How can I find a single [θ,ρ] coordinate for each of the 'hot spots' visible in the Hough space?




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