{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10491804","patent":{"patent_number":"US-10491804","title":"Focus window determining method, apparatus, and device","assignee":null,"inventors":[],"filing_date":"2016-03-29T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":8,"abstract":"A method includes determining to set a face area as a current focus window when a face is detected in a to-be-photographed image, detecting a preset location in the face area, adjusting a width of the current focus window according to the preset location in the face area, stretching a length of the current focus window according to at least a first preset ratio and a second preset ratio, calculating at least a contrast value of an image in the first focus window and a contrast value of an image in the second focus window, and determining a final focus window according to the at least two contrast values. Therefore, the width of the focus window is reduced such that the focus window is without background content."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focus window determining method, apparatus, and device","description":"A method includes determining to set a face area as a current focus window when a face is detected in a to-be-photographed image, detecting a preset location in the face area, adjusting a width of the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10491804","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-10491804","citation_suggestion":"Patentable. \"Focus window determining method, apparatus, and device\" (US-10491804). https://patentable.app/patents/US-10491804","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10491804","json":"https://patentable.app/api/llm-context/US-10491804","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:09:24.768Z"}