{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8463063","patent":{"patent_number":"US-8463063","title":"Image processing apparatus, method and program for gradation conversion","assignee":null,"inventors":[],"filing_date":"2009-10-09T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H04N","G09G","G09G","G09G","G09G","G09G"],"num_claims":9,"abstract":"An image processing apparatus includes a first calculating unit configured to add a pixel value and an output of a filter unit, a first quantizing unit configured to quantize an output of the first calculating unit and output a quantized value serving as ΔΣ modulation data, a second calculating unit configured to calculate a difference between the output of the first calculating unit and the quantized value, thereby obtaining the quantization error, a second quantizing unit configured to quantize a portion of the quantization error and output compensating data, a third calculating unit configured to add the ΔΣ modulation data and the compensating data, thereby generating time-integration-effect-using error diffusion data, a fourth calculating unit configured to calculate a difference between the quantization error and the compensating data, the difference serving as a ΔΣ modulation error, and the filter unit configured to perform filtering in space directions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing apparatus, method and program for gradation conversion","description":"An image processing apparatus includes a first calculating unit configured to add a pixel value and an output of a filter unit, a first quantizing unit configured to quantize an output of the first ca","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8463063","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-8463063","citation_suggestion":"Patentable. \"Image processing apparatus, method and program for gradation conversion\" (US-8463063). https://patentable.app/patents/US-8463063","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8463063","json":"https://patentable.app/api/llm-context/US-8463063","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:31:44.643Z"}