{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621763","patent":{"patent_number":"US-9621763","title":"Image processing apparatus, image processing system, image processing method, and recording medium converting gradation of image data in gradation conversion range to emphasize or reduce shine appearance","assignee":null,"inventors":[],"filing_date":"2014-08-05T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04N","G06K","G06T","H04N"],"num_claims":18,"abstract":"An image processing apparatus includes an image information acquisition unit acquiring average brightness of image data and cumulative frequency distribution of pixels related to gradation of the image data; a conversion range determination unit acquiring a conversion threshold value from the average brightness based on a previously set relationship and determining a gradation conversion range where the gradation of the image data is to be converted based on a gradation where a cumulative frequency corresponds to the conversion threshold value in the cumulative frequency distribution; and a gradation conversion unit converting the gradation of the image data in the gradation conversion range."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing apparatus, image processing system, image processing method, and recording medium converting gradation of image data in gradation conversion range to emphasize or reduce shine appearance","description":"An image processing apparatus includes an image information acquisition unit acquiring average brightness of image data and cumulative frequency distribution of pixels related to gradation of the imag","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621763","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-9621763","citation_suggestion":"Patentable. \"Image processing apparatus, image processing system, image processing method, and recording medium converting gradation of image data in gradation conversion range to emphasize or reduce shine appearance\" (US-9621763). https://patentable.app/patents/US-9621763","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621763","json":"https://patentable.app/api/llm-context/US-9621763","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:17:40.773Z"}