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Publication of DD98774A1publicationCriticalpatent/DD98774A1/xx
G06V10/00—Arrangements for image or video recognition or understanding
G06V10/40—Extraction of image or video features
G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition