{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9766081","patent":{"patent_number":"US-9766081","title":"System and method for roundabouts from probe data using vector fields","assignee":null,"inventors":[],"filing_date":"2015-05-12T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C","G08G","G08G","G08G"],"num_claims":22,"abstract":"A computing device may detect roundabouts and other road features from probe data including probe heading information. The computing device may model the probe data as vector points in vector fields and perform vector field fitting on a subset of the probe data vectors to identify circulation in the vector fields. The computing device uses the circulation in the vector fields to detect the location of a roundabout or other road feature."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for roundabouts from probe data using vector fields","description":"A computing device may detect roundabouts and other road features from probe data including probe heading information. The computing device may model the probe data as vector points in vector fields a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9766081","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-9766081","citation_suggestion":"Patentable. \"System and method for roundabouts from probe data using vector fields\" (US-9766081). https://patentable.app/patents/US-9766081","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9766081","json":"https://patentable.app/api/llm-context/US-9766081","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:43:35.313Z"}