{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11295472","patent":{"patent_number":"US-11295472","title":"Positioning method, positioning apparatus, positioning system, storage medium, and method for constructing offline map database","assignee":null,"inventors":[],"filing_date":"2019-05-17T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["G06T","G06F","G06T","G06T","G06V","G06V","G06T","G06T","G06T"],"num_claims":11,"abstract":"A positioning method, a positioning device, a positioning system, a storage medium, and a construction method for an offline map database. The positioning method includes: obtaining a current image information, and extracting a visual feature in the current image information; matching the visual feature in the current image information with a key frame in an offline map database, and determining a candidate key frame similar to the visual feature in the current image information, wherein the offline map database is generated based on a global grid map and a visual map; and determining a pose corresponding to the candidate key frame, and converting the pose to coordinate values."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Positioning method, positioning apparatus, positioning system, storage medium, and method for constructing offline map database","description":"A positioning method, a positioning device, a positioning system, a storage medium, and a construction method for an offline map database. The positioning method includes: obtaining a current image in","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11295472","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-11295472","citation_suggestion":"Patentable. \"Positioning method, positioning apparatus, positioning system, storage medium, and method for constructing offline map database\" (US-11295472). https://patentable.app/patents/US-11295472","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11295472","json":"https://patentable.app/api/llm-context/US-11295472","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:16.751Z"}