{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11256939","patent":{"patent_number":"US-11256939","title":"Methods, systems and computer program products for eye based spoof detection","assignee":null,"inventors":[],"filing_date":"2021-10-06T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G06V","G06V","G06V","G06V","G06V"],"num_claims":25,"abstract":"The invention enables spoof detection in eye based person detection, person recognition, or person monitoring systems. The invention includes (i) illuminating an eye from a first source located at a first position, (ii) illuminating the eye from a second source located at a second position spaced from the first position, (iii) acquiring at the image sensor, a set of images of the eye which includes (a) a first set of image information representing a first specular reflection at a third position relative to the eye, (b) a second set of image information representing a second specular reflection at a fourth position relative to the eye, (iv) determining a difference value representing a difference between the third position and the fourth position, and (v) generating a data signal representing detection of a real eye in response to determining that the difference value is less than a threshold value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods, systems and computer program products for eye based spoof detection","description":"The invention enables spoof detection in eye based person detection, person recognition, or person monitoring systems. The invention includes (i) illuminating an eye from a first source located at a f","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11256939","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-11256939","citation_suggestion":"Patentable. \"Methods, systems and computer program products for eye based spoof detection\" (US-11256939). https://patentable.app/patents/US-11256939","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11256939","json":"https://patentable.app/api/llm-context/US-11256939","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:55:33.063Z"}