{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9848194","patent":{"patent_number":"US-9848194","title":"Image coding and decoding method and apparatus considering human visual characteristics","assignee":null,"inventors":[],"filing_date":"2014-10-23T00:00:00.000Z","publication_date":"2017-12-19T00:00:00.000Z","cpc_codes":["H04N","G06T","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image coding and decoding method and apparatus considering human visual characteristics","description":"An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scen","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9848194","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-9848194","citation_suggestion":"Patentable. \"Image coding and decoding method and apparatus considering human visual characteristics\" (US-9848194). https://patentable.app/patents/US-9848194","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9848194","json":"https://patentable.app/api/llm-context/US-9848194","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:55:46.814Z"}