{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9674454","patent":{"patent_number":"US-9674454","title":"Light metering methods and devices","assignee":null,"inventors":[],"filing_date":"2015-02-18T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"A light metering method is provided. The method includes: acquiring a touch screen point inputted by a user; identifying an initial light metering area based on an image displayed on a touchscreen, the initial light metering area containing the touch screen point; segmenting the initial light metering area into a background region and an object region containing the touch screen point; and performing light metering on image points within the object region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light metering methods and devices","description":"A light metering method is provided. The method includes: acquiring a touch screen point inputted by a user; identifying an initial light metering area based on an image displayed on a touchscreen, th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9674454","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-9674454","citation_suggestion":"Patentable. \"Light metering methods and devices\" (US-9674454). https://patentable.app/patents/US-9674454","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9674454","json":"https://patentable.app/api/llm-context/US-9674454","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:20:08.034Z"}