{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9807420","patent":{"patent_number":"US-9807420","title":"Picture decoding device, picture decoding method and picture decoding program","assignee":null,"inventors":[],"filing_date":"2015-09-21T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H04N","G05B","G07C","H04N","H04N","H04N","H04N","H04N","G05B"],"num_claims":3,"abstract":"In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-prediction mode, when aspect ratios of pixels of the brightness signal and the color-difference signal are different from each other, a bitstream generator converts a mode number of a first intra-color-difference prediction mode used when the aspect ratios are equal to each other into a scaled mode number and derives a second intra-color-difference prediction mode used when the aspect ratios are different from each other."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Picture decoding device, picture decoding method and picture decoding program","description":"In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-predi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9807420","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-9807420","citation_suggestion":"Patentable. \"Picture decoding device, picture decoding method and picture decoding program\" (US-9807420). https://patentable.app/patents/US-9807420","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9807420","json":"https://patentable.app/api/llm-context/US-9807420","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:11:20.563Z"}