{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11983317","patent":{"patent_number":"US-11983317","title":"Using a camera to compensate for sensor-shift in a photosensor-based facial expression detector","assignee":null,"inventors":[],"filing_date":"2023-02-04T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G06F","A61B","A61B","A61B","A61B","A61B","A61B","A61B","A61B","A61B","G06V","G06V","G06V","G06V","G06V","H04N","H04N","H04N","H04N","A61B","A61B","H04N"],"num_claims":20,"abstract":"Disclosed herein is photosensor-based detection of facial landmarks that utilizes images in order to detect and account for sensor shifts. In one embodiment, a system that detects positions of facial landmarks includes a head-mounted device comprising: (i) light sources that emit light towards a first region on a user's face, and (ii) discrete photosensors, spread over more than 2 cm, which take measurements of reflections of the light from the first region. The system also includes a head-mounted camera that captures images of a second region on the face. A computer calculates, based on the images, values indicative of a location and/or orientation of the device relative to the face, and detects, based on the reflections and the values, positions of facial landmarks at an average rate higher than an average rate at which the images are captured."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Using a camera to compensate for sensor-shift in a photosensor-based facial expression detector","description":"Disclosed herein is photosensor-based detection of facial landmarks that utilizes images in order to detect and account for sensor shifts. In one embodiment, a system that detects positions of facial ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11983317","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-11983317","citation_suggestion":"Patentable. \"Using a camera to compensate for sensor-shift in a photosensor-based facial expression detector\" (US-11983317). https://patentable.app/patents/US-11983317","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11983317","json":"https://patentable.app/api/llm-context/US-11983317","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:07:29.019Z"}