{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9652861","patent":{"patent_number":"US-9652861","title":"Estimating device and estimation method","assignee":null,"inventors":[],"filing_date":"2015-09-10T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","H04N","H04N","G06T"],"num_claims":20,"abstract":"An estimation method executed by a computer includes: extracting, from an image, a plurality of characteristic points satisfying a certain requirement regarding changes in gray levels between the plurality of characteristic points and surrounding points; identifying, as map points from the plurality of characteristic points, characteristic points existing on planes, by excluding corners of an object depicted on the image; extracting, from another image, another plurality of characteristic points satisfying the certain requirement; executing matching of the another plurality of characteristic points with the map points based on a region including the map points; and estimating, based on results of the matching, a position and an orientation of an imaging device while the another image is captured."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Estimating device and estimation method","description":"An estimation method executed by a computer includes: extracting, from an image, a plurality of characteristic points satisfying a certain requirement regarding changes in gray levels between the plur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9652861","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-9652861","citation_suggestion":"Patentable. \"Estimating device and estimation method\" (US-9652861). https://patentable.app/patents/US-9652861","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9652861","json":"https://patentable.app/api/llm-context/US-9652861","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:32:20.495Z"}