I see HOG is often used with SVM for target detection, can it be used in matching keypoints in two images?
and btw, where could I find OpenCV sample of using HOGDescriptor?
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I see HOG is often used with SVM for target detection, can it be used in matching keypoints in two images?
and btw, where could I find OpenCV sample of using HOGDescriptor?
HOG can be used without SVM for feature matching.
just choose some points ( edge, for example ) and calculate the feature of HOG inside ROI with those points centered.
HOGDescriptorseems only for GPU programming.I created Descriptor for HOG as a
Matin openCV and it also works for OpenCV matching functions.