{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9760774","patent":{"patent_number":"US-9760774","title":"Line-of-sight detection apparatus","assignee":null,"inventors":[],"filing_date":"2015-07-14T00:00:00.000Z","publication_date":"2017-09-12T00:00:00.000Z","cpc_codes":["G06V","G06V","G06V"],"num_claims":5,"abstract":"In computation of a line-of-sight direction in a control unit, a first computed line-of-sight direction is obtained from the center of a pupil and a reflection point of cornea reflection light, a second computed line-of-sight direction is obtained by computing the ellipse shape of an iris or the pupil, and a third computed line-of-sight direction is obtained on the basis of a face orientation and the relative position of the iris or pupil in an eye. The line-of-sight direction can be computed over a wide range with high accuracy by selecting one of the computed line-of-sight directions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Line-of-sight detection apparatus","description":"In computation of a line-of-sight direction in a control unit, a first computed line-of-sight direction is obtained from the center of a pupil and a reflection point of cornea reflection light, a seco","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9760774","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-9760774","citation_suggestion":"Patentable. \"Line-of-sight detection apparatus\" (US-9760774). https://patentable.app/patents/US-9760774","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9760774","json":"https://patentable.app/api/llm-context/US-9760774","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:01:11.165Z"}