BugFix: Fix & enhance DAISY sampling from convoluted cubes collection. #503
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PR should include: opencv/opencv_extra#285 regression data. |
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This PR address:
(1) BugFix: Fix descriptor sampling in interpolated mode over convoluted collection of cubes. Sampling should be done properly over the convoluted cubes.
(2) Enhancement: Original, and actual
compute_histograms()was ment to convert (h,y,x) to (y,x,h) for the descriptor sampler part. The(h,y,x)data order was used to perform inplace stacked convolutions (first one time) but then the(y,x,h)order is useful to do fast &memory aligned.ptr<float>(y,x,0)[h]like sampling for final descriptor (at any time).All my apologies for letting this latent issue so long, now DAISY should be at full and original quality.