{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11240503","patent":{"patent_number":"US-11240503","title":"Method for optimizing two-pass coding","assignee":null,"inventors":[],"filing_date":"2020-12-10T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":1,"abstract":"A method for optimizing a second coding is provided. The method includes: Setting a quantization parameter of a start frame of a video sequence according to a range of an input quantization parameter QP0 of a coder; performing first coding with a simplified method, and calculating a frame-level temporal impact factor ki of a current frame and a block-level temporal impact factor kB,j of all 16×16 pixel blocks in the current frame; restoring reference list information of the coder after the first coding is completed, and then determining whether a scene is switched; and performing the second coding by setting quantization parameters with different strategies according to whether the scene is switched."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for optimizing two-pass coding","description":"A method for optimizing a second coding is provided. The method includes: Setting a quantization parameter of a start frame of a video sequence according to a range of an input quantization parameter ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11240503","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-11240503","citation_suggestion":"Patentable. \"Method for optimizing two-pass coding\" (US-11240503). https://patentable.app/patents/US-11240503","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11240503","json":"https://patentable.app/api/llm-context/US-11240503","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:39:32.712Z"}