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Small error in simple Canny edge detector
Re.
(angle(i,j)<-157.5 && angle(i,j)>=-180)
This only covers half the octant for "left" gradients. The test you want (assuming angles are the normal -180 to +180):
(angle(i,j)<-157.5 && angle(i,j)>157.5)
Several Errors :
Hi,
I reimplemented this in C, there are serveral errors in this file. The angles seem to be wrong.
if (angle(i,j)>=-22.5 && angle(i,j)<=22.5) || ...
(angle(i,j)<-157.5 && angle(i,j)>=-180)
just can't be right ! i also found some issues with the suppression. Maybe you want to correct this file...
cheers,
- Thomas
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