{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11477454","patent":{"patent_number":"US-11477454","title":"Image decoding method based on chroma quantization parameter data, and apparatus therefor","assignee":null,"inventors":[],"filing_date":"2021-12-09T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":15,"abstract":"An image decoding method performed by a decoding apparatus according to the present document comprises the steps of: obtaining a flag indicating whether quantization parameter data for combined chroma coding is present on the basis of a type of chroma; obtaining the quantization parameter data for the combined chroma coding on the basis of the flag; deriving a chroma quantization parameter table on the basis of the quantization parameter data; deriving a quantization parameter for the combined chroma coding on the basis of the chroma quantization parameter table; deriving residual samples on the basis of the quantization parameter; and generating a reconstructed picture on the basis of the residual samples."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image decoding method based on chroma quantization parameter data, and apparatus therefor","description":"An image decoding method performed by a decoding apparatus according to the present document comprises the steps of: obtaining a flag indicating whether quantization parameter data for combined chroma","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11477454","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-11477454","citation_suggestion":"Patentable. \"Image decoding method based on chroma quantization parameter data, and apparatus therefor\" (US-11477454). https://patentable.app/patents/US-11477454","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11477454","json":"https://patentable.app/api/llm-context/US-11477454","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:08:47.155Z"}