{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11238643","patent":{"patent_number":"US-11238643","title":"High-definition city mapping","assignee":null,"inventors":[],"filing_date":"2020-12-16T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["G06T","G01S","G01S","G06F","G06T","G06T","G06T","G06T","G06V","G01S","G01S","G01S","G01S","G06T","G06T","G06T","G06T"],"num_claims":17,"abstract":"A vehicle generates a city-scale map. The vehicle includes one or more Lidar sensors configured to obtain point clouds at different positions, orientations, and times, one or more processors, and a memory storing instructions that, when executed by the one or more processors, cause the system to perform registering, in pairs, a subset of the point clouds based on respective surface normals of each of the point clouds; determining loop closures based on the registered subset of point clouds; determining a position and an orientation of each of the subset of the point clouds based on constraints associated with the determined loop closures; and generating a map based on the determined position and the orientation of each of the subset of the point clouds."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"High-definition city mapping","description":"A vehicle generates a city-scale map. The vehicle includes one or more Lidar sensors configured to obtain point clouds at different positions, orientations, and times, one or more processors, and a me","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11238643","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-11238643","citation_suggestion":"Patentable. \"High-definition city mapping\" (US-11238643). https://patentable.app/patents/US-11238643","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11238643","json":"https://patentable.app/api/llm-context/US-11238643","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T18:34:15.871Z"}