{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9721169","patent":{"patent_number":"US-9721169","title":"Image processing device for detecting vehicle in consideration of sun position","assignee":null,"inventors":[],"filing_date":"2013-07-22T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["H04N","G06V","G06V","G08G","G08G","H04N","H04N"],"num_claims":11,"abstract":"An image processing device includes: an image acquisition unit that obtains a photographic image of an area outside of a vehicle captured and output by a camera; a sun decision unit that calculates a sun position which indicates, at least, a solar elevation and makes a decision as to whether or not the solar elevation is equal to or lower than a predetermined elevation; an opacity detection unit that detects clouding of a lens surface of the camera; a vehicle detection unit that detects another vehicle, different from the vehicle, based upon image information of a first image area in the photographic image; and a control unit that suspends detection of the other vehicle by the vehicle detection unit if the opacity detection unit detects opacity in, at least, the first image area and the sun decision unit decides that the solar elevation is equal to or lower than the predetermined elevation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing device for detecting vehicle in consideration of sun position","description":"An image processing device includes: an image acquisition unit that obtains a photographic image of an area outside of a vehicle captured and output by a camera; a sun decision unit that calculates a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9721169","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-9721169","citation_suggestion":"Patentable. \"Image processing device for detecting vehicle in consideration of sun position\" (US-9721169). https://patentable.app/patents/US-9721169","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9721169","json":"https://patentable.app/api/llm-context/US-9721169","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:33:11.874Z"}