3 ms·
Yep. Edge detection + affine transform. No need for any fancy dots.
by jahewson 14y ago
Yep. Edge detection + affine transform. No need for any fancy dots.
- WildUtah 14y agoUse a Hough transform on the edge detection to get the right lines (you only want the longest, straightest ones). Then apply the affine transform back. It gets harder if the notebook doesn't lie flat, though.