{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9836052","patent":{"patent_number":"US-9836052","title":"Change detection using curve alignment","assignee":null,"inventors":[],"filing_date":"2016-03-15T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["B60W","B60W","B60W","B60W","B62D","G01C","G05D","G05D","G08G"],"num_claims":20,"abstract":"Aspects of the disclosure relate to determining whether a feature of map information. For example, data identifying an object detected in a vehicle's environment and including location coordinates is received. This information is used to identify a corresponding feature from pre-stored map information based on a map location of the corresponding feature. The corresponding feature is defined as a curve and associated with a tag identifying a type of the corresponding feature. A tolerance constraint is identified based on the tag. The curve is divided into two or more line segments. Each line segment has a first position. The first position of a line segment is changed in order to determine a second position based on the location coordinates and the tolerance constraint. A value is determined based on a comparison of the first position to the second position. This value indicates a likelihood that the corresponding feature has changed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Change detection using curve alignment","description":"Aspects of the disclosure relate to determining whether a feature of map information. For example, data identifying an object detected in a vehicle's environment and including location coordinates is ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9836052","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-9836052","citation_suggestion":"Patentable. \"Change detection using curve alignment\" (US-9836052). https://patentable.app/patents/US-9836052","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9836052","json":"https://patentable.app/api/llm-context/US-9836052","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:58:44.537Z"}