{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11521333","patent":{"patent_number":"US-11521333","title":"Camera calibration apparatus, camera calibration method, and non-transitory computer readable medium storing program","assignee":null,"inventors":[],"filing_date":"2022-03-07T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","H04N","G06T"],"num_claims":10,"abstract":"In a camera calibration apparatus (10), an acquisition unit (11) acquires a first normal vector in an image plane and a second normal vector in the image plane respectively corresponding to a first normal vector in a world coordinate space and a second normal vector in the world coordinate space which are normal vectors with respect to a reference plane in the world coordinate space and have the same length. A projective depth calculation unit (12) calculates a projective depth vector having, as vector elements, four projective depths respectively corresponding to a start point and an end point of the first normal vector in the image plane and a start point and a end point of the second normal vector in the image plane."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Camera calibration apparatus, camera calibration method, and non-transitory computer readable medium storing program","description":"In a camera calibration apparatus (10), an acquisition unit (11) acquires a first normal vector in an image plane and a second normal vector in the image plane respectively corresponding to a first no","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11521333","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-11521333","citation_suggestion":"Patentable. \"Camera calibration apparatus, camera calibration method, and non-transitory computer readable medium storing program\" (US-11521333). https://patentable.app/patents/US-11521333","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11521333","json":"https://patentable.app/api/llm-context/US-11521333","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:25:18.070Z"}