How can I do camera calibration with known pixel coordinate?

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hello i wanna ask for help. how can i do camera calibration using opencv if i already know the pixel coordinate of the square corner? i'm really new with this thing so i wanna ask for your help, what is the source code? please help me. thank you in advance...

What I have tried:

i've tried looking for the code but i don't know which one-

Posted 28-Jul-16 15:09pm

devilmushroom

Updated 28-Jul-16 20:53pm

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CPallini · Answer 1 · 2016-07-28T20:53:00

Solution 1

Here Camera calibration With OpenCV — OpenCV 2.4.13.0 documentation[^] is tutorial on camera calibration. It looks you need a specific patterns (e.g. the chessboard) in order to perform the operation.

Posted 28-Jul-16 20:53pm

CPallini

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devilmushroom 30-Jul-16 22:49pm

Thank you for the link, i already read the tutorial.. But i kinda can't find the answer for my problem. The example there is chessboard pattern rite? And umm i need to do calibration with square grid pattern so i'm trying to find the pixel coordinate on square in my picture first then i want to do camera calibration with that coordinate... But i don't know how to modify the code....