{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9686515","patent":{"patent_number":"US-9686515","title":"Method and apparatus for detecting quality defects in a video bitstream","assignee":null,"inventors":[],"filing_date":"2011-12-09T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":28,"abstract":"There is provided an apparatus for detecting a quality defect in a video sequence, the apparatus comprising: a receiver arranged to receive a video bitstream representing a video sequence; and a defect module arranged to determine a measure of quantization parameter for each picture of the video sequence, the defect module further arranged to identify a quality defect when an abrupt change in the measure of quantization parameter occurs."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for detecting quality defects in a video bitstream","description":"There is provided an apparatus for detecting a quality defect in a video sequence, the apparatus comprising: a receiver arranged to receive a video bitstream representing a video sequence; and a defec","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9686515","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-9686515","citation_suggestion":"Patentable. \"Method and apparatus for detecting quality defects in a video bitstream\" (US-9686515). https://patentable.app/patents/US-9686515","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9686515","json":"https://patentable.app/api/llm-context/US-9686515","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:59:18.867Z"}