{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9843809","patent":{"patent_number":"US-9843809","title":"Method and apparatus for coding/decoding image","assignee":null,"inventors":[],"filing_date":"2013-07-02T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":5,"abstract":"Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for coding/decoding image","description":"Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the cur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9843809","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-9843809","citation_suggestion":"Patentable. \"Method and apparatus for coding/decoding image\" (US-9843809). https://patentable.app/patents/US-9843809","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9843809","json":"https://patentable.app/api/llm-context/US-9843809","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:03:19.070Z"}