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Minor change to avoid doing unnecessary computations in certain cases.

This commit is contained in:
Davis King 2013-08-11 13:21:12 -04:00
parent d9f38e986a
commit 9e41955cf5
1 changed files with 6 additions and 1 deletions
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7
dlib/image_processing/remove_unobtainable_rectangles.h
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@ -169,9 +169,14 @@ namespace dlib
for (unsigned long k = 0; k < images.size(); ++k)
{
std::vector<rectangle> objs = object_locations[k];
// Don't even bother computing the candidate rectangles if there aren't any
// object locations for this image since there isn't anything to do anyway.
if (objs.size() == 0)
continue;
bg(images[k], rects);
std::vector<rectangle> objs = object_locations[k];
// First remove things that don't have any matches with the candidate object
// locations.