{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11481995","patent":{"patent_number":"US-11481995","title":"Detecting streaks in printed documents using blocks","assignee":null,"inventors":[],"filing_date":"2019-01-11T00:00:00.000Z","publication_date":"2022-10-25T00:00:00.000Z","cpc_codes":["H04N","G06T","G06V","G06V","G06T"],"num_claims":20,"abstract":"In an example method, an image of a printed document is descreened. The descreened image is separated into blocks. A smooth area of the descreened image is selected based on an averaging of localized color distance values of pixels in each of the blocks. A streak in a block of the smooth area is detected in response to detecting that a magnitude of a color distance projection of the block exceeds a threshold value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Detecting streaks in printed documents using blocks","description":"In an example method, an image of a printed document is descreened. The descreened image is separated into blocks. A smooth area of the descreened image is selected based on an averaging of localized ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11481995","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-11481995","citation_suggestion":"Patentable. \"Detecting streaks in printed documents using blocks\" (US-11481995). https://patentable.app/patents/US-11481995","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11481995","json":"https://patentable.app/api/llm-context/US-11481995","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:07:37.999Z"}