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How did you do the alignment? I've seen various tools that let you take a picture and that then automatically align the paper to scan it (sometimes with and so
by vanderZwan 5y ago
How did you do the alignment?
I've seen various tools that let you take a picture and that then automatically align the paper to scan it (sometimes with and sometimes without QR codes in the corners) and I wish there was some general "how to" tutorial out there for that kind of trick
- kwertyops 5y agoA long time ago I did something like this with ImageMagick using what it called "Extract SIFT Correspondences". I don't know if that still exists, but the homography feature in OpenCV looks like the same idea: https://learnopencv.com/image-alignment-feature-based-using-opencv-c-python/ https://learnopencv.com/image-alignment-feature-based-using-...
- nkozyra 5y agoThat's not what I used but yeah similar process