{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9781424","patent":{"patent_number":"US-9781424","title":"Efficient context handling in arithmetic coding","assignee":null,"inventors":[],"filing_date":"2015-01-19T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":20,"abstract":"Systems, methods, and apparatuses for coding using efficient context handling in arithmetic coding. Efficient context handling in arithmetic coding may include identifying a scan order for a current block and entropy decoding a current entropy coded transform coefficient from the current block, which may include determining, based on the scan order, a first scan order distance between a scan order location corresponding to the current entropy coded transform coefficient and a scan order location corresponding to a first context coefficient, identifying a first context coefficient value from a first location in a context coefficient register, the first location corresponding to the first scan order distance, wherein the context coefficient register is a reduced size context coefficient register, and entropy decoding the current entropy coded transform coefficient based on the first context coefficient value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Efficient context handling in arithmetic coding","description":"Systems, methods, and apparatuses for coding using efficient context handling in arithmetic coding. Efficient context handling in arithmetic coding may include identifying a scan order for a current b","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9781424","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-9781424","citation_suggestion":"Patentable. \"Efficient context handling in arithmetic coding\" (US-9781424). https://patentable.app/patents/US-9781424","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9781424","json":"https://patentable.app/api/llm-context/US-9781424","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T19:29:06.541Z"}