histogram of oriented gradients by summing image-intensity values Projection analysis G06V10/50- Extraction of image or video features by performing operations within image blocks by using histograms, e.g.scale invariant feature transform or bags of words Salient regional features G06V10/46- Descriptors for shape, contour or point-related descriptors, e.g.by detecting edges, contours, loops, corners, strokes or intersections Connectivity analysis, e.g. G06V10/44- Local feature extraction by analysis of parts of the pattern, e.g.G06V10/40- Extraction of image or video features.G06V10/00- Arrangements for image or video recognition or understanding.
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