Detect perspective based on image

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Tomasz Klapyta
Tomasz Klapyta 2022-3-1
评论： yanqi liu 2022-3-2
Hi, my problem is that I have a photo of fuel prices pylon. Photo can be took from side or underneath and I need to correct the perpective like when you "scan" documents with smartphone. I know everything what I need including fitgeotrans but the problem is that I need to automaticaly detect anchor points. How should I even start? I though I could use Hough transform do higlight edges but it gives me rather rubbish then lines.
Example image for reference:

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回答（1 个）

yanqi liu
yanqi liu 2022-3-2
yes，sir，what is target，is it to rectification image，such as
  2 个评论
Tomasz Klapyta
Tomasz Klapyta 2022-3-2
That is pretty what I need. But it must be done automaticaly.
yanqi liu
yanqi liu 2022-3-2
should choose 4 point by hand to make transform

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