{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493479","patent":{"patent_number":"US-8493479","title":"Method of eliminating background noise","assignee":null,"inventors":[],"filing_date":"2011-04-27T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G06V"],"num_claims":7,"abstract":"A method of eliminating background noise from a system for authenticating security markers includes capturing an image of a background of the security marker; illuminating the security marker; capturing a plurality of images of the optical response of the security marker; averaging the plurality of optical response images; smoothing the background image; and subtracting the smoothed background image from the average of the plurality of optical response images."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of eliminating background noise","description":"A method of eliminating background noise from a system for authenticating security markers includes capturing an image of a background of the security marker; illuminating the security marker; capturi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493479","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-8493479","citation_suggestion":"Patentable. \"Method of eliminating background noise\" (US-8493479). https://patentable.app/patents/US-8493479","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493479","json":"https://patentable.app/api/llm-context/US-8493479","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:46:31.369Z"}