{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8520950","patent":{"patent_number":"US-8520950","title":"Image processing device, image processing method, program, and integrated circuit","assignee":null,"inventors":[],"filing_date":"2011-03-18T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["G06T","G06V","H04N"],"num_claims":9,"abstract":"The image processing device includes: a storage unit (211) holding intensity gradient vectors Vr, position vectors Rr, and voting vectors Ur of a reference image; an intensity gradient vector calculation unit (212) which calculates intensity gradient vectors Vs of a search image; and a position determination unit (213) which determines a position of the reference image in the search image. The position determination unit (213) includes: a sampling unit (214) which thins out a part of the intensity gradient vectors Vs and/or the voting vectors Ur; an origin position estimation unit (215) which locates voting vectors Ur at each starting position of intensity gradient vectors Vs and estimates ending positions of the voting vectors Ur as candidate points; and a re-verification unit (216) which locates the position vectors Rr at each candidate point and determines a candidate point having most intensity gradient vectors Vs at ending positions of the position vectors Rr as an origin position."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing device, image processing method, program, and integrated circuit","description":"The image processing device includes: a storage unit (211) holding intensity gradient vectors Vr, position vectors Rr, and voting vectors Ur of a reference image; an intensity gradient vector calculat","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8520950","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8520950","citation_suggestion":"Patentable. \"Image processing device, image processing method, program, and integrated circuit\" (US-8520950). https://patentable.app/patents/US-8520950","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8520950","json":"https://patentable.app/api/llm-context/US-8520950","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:13:41.336Z"}