{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9654798","patent":{"patent_number":"US-9654798","title":"Device and method for image encoding/decoding using prediction direction conversion and selective encoding","assignee":null,"inventors":[],"filing_date":"2015-04-21T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":10,"abstract":"A video decoding apparatus for decoding a current block comprised of a plurality of subblocks by using an intra prediction, includes: an inverse quantization unit to inversely quantize transformed and quantized residual subblocks corresponding to the subblocks of the current block to thereby generate transformed residual subblocks; an inverse transform unit to inversely transform the transformed residual subblocks to thereby reconstruct residual subblocks; a prediction unit to sequentially predict the subblocks from neighboring pixels which have been already reconstructed to thereby generate a plurality of predicted subblocks corresponding to the subblocks; and an adder to sequentially reconstruct the subblocks by adding each of the reconstructed residual subblocks to a predicted subblock corresponding thereto, wherein the prediction unit uses one or more pixels of at least one previously reconstructed subblock within the current block as the neighboring pixels."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device and method for image encoding/decoding using prediction direction conversion and selective encoding","description":"A video decoding apparatus for decoding a current block comprised of a plurality of subblocks by using an intra prediction, includes: an inverse quantization unit to inversely quantize transformed and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9654798","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-9654798","citation_suggestion":"Patentable. \"Device and method for image encoding/decoding using prediction direction conversion and selective encoding\" (US-9654798). https://patentable.app/patents/US-9654798","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9654798","json":"https://patentable.app/api/llm-context/US-9654798","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:22:19.424Z"}