{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9838682","patent":{"patent_number":"US-9838682","title":"Image processing device and method with a scalable quantization matrix","assignee":null,"inventors":[],"filing_date":"2013-02-20T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing device and method with a scalable quantization matrix","description":"An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a qua","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9838682","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-9838682","citation_suggestion":"Patentable. \"Image processing device and method with a scalable quantization matrix\" (US-9838682). https://patentable.app/patents/US-9838682","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9838682","json":"https://patentable.app/api/llm-context/US-9838682","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:04:21.384Z"}