{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11490096","patent":{"patent_number":"US-11490096","title":"Hardware and software friendly system and method for decoder-side motion vector refinement with decoder-side bi-predictive optical flow based per-pixel correction to bi-predictive motion compensation","assignee":null,"inventors":[],"filing_date":"2021-05-05T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["H04N","H04N","G06T","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","G06T","G06T"],"num_claims":20,"abstract":"Methods and system, including decoders and encoders, for interprediction. In one aspect, a method includes selecting reference samples based on motion information of a current picture block of a current picture, deriving first interpolated samples by performing a first interpolation on the selected reference samples, deriving an integer distance delta motion vector for a target sub-prediction unit (PU) by performing integer-distance MVR, deriving M×M pixel matrix flow vectors by performing BPOF, for each M×M pixel matrix in the target sub-PU, based on the first interpolated samples and the integer distance delta motion vector, deriving second interpolated samples by performing a second interpolation on the reference samples, computing at least one correction parameter for the target sub-PU based on the M×M pixel matrix flow vectors, the first interpolated samples and the second interpolated samples, and performing bi-prediction based on the second interpolated samples and the at least one correction parameter."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Hardware and software friendly system and method for decoder-side motion vector refinement with decoder-side bi-predictive optical flow based per-pixel correction to bi-predictive motion compensation","description":"Methods and system, including decoders and encoders, for interprediction. In one aspect, a method includes selecting reference samples based on motion information of a current picture block of a curre","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11490096","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-11490096","citation_suggestion":"Patentable. \"Hardware and software friendly system and method for decoder-side motion vector refinement with decoder-side bi-predictive optical flow based per-pixel correction to bi-predictive motion compensation\" (US-11490096). https://patentable.app/patents/US-11490096","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11490096","json":"https://patentable.app/api/llm-context/US-11490096","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:37:15.276Z"}