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dlib
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Added some code to help detect and debug improperly coded feature extractors.

This commit is contained in:
Davis King 2012-01-02 22:12:32 -05:00
parent 0b2bfdde1f
commit 7fd3da34c0
1 changed files with 28 additions and 1 deletions
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29
dlib/image_processing/scan_image_pyramid.h
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@ -148,6 +148,32 @@ namespace dlib
return (r1.intersect(r2).area())/(double)(r1 + r2).area();
}
void test_coordinate_transforms()
{
for (long x = -10; x <= 10; x += 10)
{
for (long y = -10; y <= 10; y += 10)
{
const rectangle rect = centered_rect(x,y,5,6);
rectangle a;
a = feats_config.image_to_feat_space(rect);
if (a.width() > 10000000 || a.height() > 10000000 )
{
DLIB_CASSERT(false, "The image_to_feat_space() routine is outputting rectangles of an implausibly "
<< "\nlarge size. This means there is probably a bug in your feature extractor.");
}
a = feats_config.feat_to_image_space(rect);
if (a.width() > 10000000 || a.height() > 10000000 )
{
DLIB_CASSERT(false, "The feat_to_image_space() routine is outputting rectangles of an implausibly "
<< "\nlarge size. This means there is probably a bug in your feature extractor.");
}
}
}
}
feature_extractor_type feats_config; // just here to hold configuration. use it to populate the feats elements.
typename array<feature_extractor_type>::kernel_2a feats;
std::vector<detection_template> det_templates;
@ -318,7 +344,8 @@ namespace dlib
const feature_extractor_type& fe
)
{
return feats_config.copy_configuration(fe);
test_coordinate_transforms();
feats_config.copy_configuration(fe);
}
// ----------------------------------------------------------------------------------------