{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621884","patent":{"patent_number":"US-9621884","title":"Method and apparatus for estimating a quantization table for a video image","assignee":null,"inventors":[],"filing_date":"2013-11-22T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":14,"abstract":"A method of estimating a quantization table for an image block, which is compressed in image processing, includes performing a first quantization using a table dictionary that includes a number of candidate quantization tables for the compressed image block; performing edge-related filtering on the compressed image block and performing a second quantization using the table dictionary for the filtered compressed image block; and estimating a quantization table for the compressed image block based on energy costs of the first-quantized image block and the second-quantized image block."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for estimating a quantization table for a video image","description":"A method of estimating a quantization table for an image block, which is compressed in image processing, includes performing a first quantization using a table dictionary that includes a number of can","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621884","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-9621884","citation_suggestion":"Patentable. \"Method and apparatus for estimating a quantization table for a video image\" (US-9621884). https://patentable.app/patents/US-9621884","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621884","json":"https://patentable.app/api/llm-context/US-9621884","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:38:24.731Z"}