{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9704222","patent":{"patent_number":"US-9704222","title":"Image processing apparatus","assignee":null,"inventors":[],"filing_date":"2015-12-22T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H04N","G06T","G06T","G06T"],"num_claims":7,"abstract":"An image processing apparatus of the present invention includes: a structure index calculation unit that calculates a structure index that is an index of magnitude of variation of a pixel value in a predetermined range around a target pixel of an input image, with respect to each target pixel; a high frequency component extraction unit that extracts a high frequency structure index that is a high frequency component of the structure index; a smoothing unit that calculates a smoothed structure index obtained by smoothing the structure index, with respect to the each target pixel; a flatness index calculation unit that calculates a synthesis index obtained by synthesizing the smoothed structure index and the high frequency structure index, as a flatness index of the target pixel; and a noise reduction unit that performs a noise reduction process of the target pixel in accordance with the flatness index."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing apparatus","description":"An image processing apparatus of the present invention includes: a structure index calculation unit that calculates a structure index that is an index of magnitude of variation of a pixel value in a p","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9704222","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-9704222","citation_suggestion":"Patentable. \"Image processing apparatus\" (US-9704222). https://patentable.app/patents/US-9704222","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9704222","json":"https://patentable.app/api/llm-context/US-9704222","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:17:14.861Z"}