{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10523861","patent":{"patent_number":"US-10523861","title":"Defocus estimation method independent of the scene content and use in an autofocus system","assignee":null,"inventors":[],"filing_date":"2018-01-05T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["H04N","G06T","G06T","H04N","G06T"],"num_claims":20,"abstract":"A method of adjusting a lens may include adjusting the lens at a first focus position, and acquiring a first image of a scene through the lens. The method may further include adjusting the lens at a second focus position, and acquiring a second image of the same scene through the lens. In addition, the method may include producing respective power spectra of the first and second images, and producing a criterion representing the ratio of the power spectra to estimate a focus error of the lens."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Defocus estimation method independent of the scene content and use in an autofocus system","description":"A method of adjusting a lens may include adjusting the lens at a first focus position, and acquiring a first image of a scene through the lens. The method may further include adjusting the lens at a s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10523861","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-10523861","citation_suggestion":"Patentable. \"Defocus estimation method independent of the scene content and use in an autofocus system\" (US-10523861). https://patentable.app/patents/US-10523861","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10523861","json":"https://patentable.app/api/llm-context/US-10523861","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:37:56.380Z"}