{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9602820","patent":{"patent_number":"US-9602820","title":"Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding","assignee":null,"inventors":[],"filing_date":"2015-02-09T00:00:00.000Z","publication_date":"2017-03-21T00:00:00.000Z","cpc_codes":["H04N","G06T","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":4,"abstract":"Virtual boundary processing in adaptive loop filtering (ALF) requires that padded values be substituted for unavailable pixel rows outside the virtual boundaries. Methods and apparatus are provided for virtual boundary processing in ALF that allow the use of more actual pixel values for padding than in the prior art."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding","description":"Virtual boundary processing in adaptive loop filtering (ALF) requires that padded values be substituted for unavailable pixel rows outside the virtual boundaries. Methods and apparatus are provided fo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9602820","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-9602820","citation_suggestion":"Patentable. \"Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding\" (US-9602820). https://patentable.app/patents/US-9602820","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9602820","json":"https://patentable.app/api/llm-context/US-9602820","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:56:59.247Z"}