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Changed the class OrbFeaturesFinder to make it work with CV_8UC4 and CV_8UC1 images.

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This commit is contained in:
Leonid Beynenson 2012-02-27 17:46:53 +00:00
parent a92e3dcdad
commit 9794f5977c
1 changed files with 12 additions and 2 deletions
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14
modules/stitching/src/matchers.cpp
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@ -351,8 +351,18 @@ OrbFeaturesFinder::OrbFeaturesFinder(Size _grid_size, size_t n_features, const O
void OrbFeaturesFinder::find(const Mat &image, ImageFeatures &features)
{
Mat gray_image;
CV_Assert(image.type() == CV_8UC3);
cvtColor(image, gray_image, CV_BGR2GRAY);
CV_Assert((image.type() == CV_8UC3) || (image.type() == CV_8UC4) || (image.type() == CV_8UC1));
if (image.type() == CV_8UC3) {
cvtColor(image, gray_image, CV_BGR2GRAY);
} else if (image.type() == CV_8UC4) {
cvtColor(image, gray_image, CV_BGRA2GRAY);
} else if (image.type() == CV_8UC1) {
gray_image=image;
} else {
CV_Assert(false);
}
if (grid_size.area() == 1)
(*orb)(gray_image, Mat(), features.keypoints, features.descriptors);