{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10499808","patent":{"patent_number":"US-10499808","title":"Pupil detection system, gaze detection system, pupil detection method, and pupil detection program","assignee":null,"inventors":[],"filing_date":"2015-05-12T00:00:00.000Z","publication_date":"2019-12-10T00:00:00.000Z","cpc_codes":["A61B","A61B","A61B","A61B","G06V"],"num_claims":10,"abstract":"A pupil detection system according to an embodiment includes a vector calculation unit configured to calculate a plurality of candidate vectors each connecting a corneal sphere center and a pupil center by a stereo method based on a first pupil image of a subject which is picked up by a first camera and a second pupil image of the subject which is picked up by a second camera, and a determination unit configured to select, from among the plurality of candidate vectors, a candidate vector satisfying a vector condition in which an angle between the pupil center and a reference line is equal to or less than a predetermined threshold and determine that a pupil is located at a pupil center corresponding to the selected candidate vector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Pupil detection system, gaze detection system, pupil detection method, and pupil detection program","description":"A pupil detection system according to an embodiment includes a vector calculation unit configured to calculate a plurality of candidate vectors each connecting a corneal sphere center and a pupil cent","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10499808","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-10499808","citation_suggestion":"Patentable. \"Pupil detection system, gaze detection system, pupil detection method, and pupil detection program\" (US-10499808). https://patentable.app/patents/US-10499808","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10499808","json":"https://patentable.app/api/llm-context/US-10499808","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:06:32.985Z"}