On Sun, 15 May 2022, 11:34 <[email protected]> wrote:

>
> Imagine each pixel as a square in a very magnified image.  I would expect
> best behavior if that pixel's integer coordinates represented the center of
> that pixel.  But maybe some code would be simpler if the pixel's exact
> coordinates represented the top left corner of that pixel (its coordinates
> plus 0.5,0.5 would be its center).
>

I remember much discussion about this on the old panotools list, the
consensus was that Helmut Dersch got this correct in the libpano library
(and Hugin uses the same conventions).

The way to test is to construct some artificial images with hard edge
patterns and try optimising, stitching, reverse functions etc..

-- 
Bruno

>

-- 
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