{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11967093","patent":{"patent_number":"US-11967093","title":"Light color identifying method and apparatus of signal light, and roadside device","assignee":null,"inventors":[],"filing_date":"2021-07-02T00:00:00.000Z","publication_date":"2024-04-23T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06V","G06N","G06T"],"num_claims":14,"abstract":"A light color identifying method and apparatus of a signal light, and a roadside device provided in the present application relate to the field of intelligent transportation. A solution includes: collecting an image including the signal light through an image collecting apparatus; determining a background image according to N preceding frames of images of a current frame of image, where N is a positive integer greater than or equal to 1; performing foreground identification on the current frame of image according to the background image to obtain a moving foreground, where the moving foreground represents a change of the current frame of image relative to the background image; and determining, according to the moving foreground, a light color of a light that is turned on in the current frame of image."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light color identifying method and apparatus of signal light, and roadside device","description":"A light color identifying method and apparatus of a signal light, and a roadside device provided in the present application relate to the field of intelligent transportation. A solution includes: coll","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11967093","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-11967093","citation_suggestion":"Patentable. \"Light color identifying method and apparatus of signal light, and roadside device\" (US-11967093). https://patentable.app/patents/US-11967093","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11967093","json":"https://patentable.app/api/llm-context/US-11967093","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:45:47.499Z"}