{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9635251","patent":{"patent_number":"US-9635251","title":"Visual tracking using panoramas on mobile devices","assignee":null,"inventors":[],"filing_date":"2011-05-20T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":35,"abstract":"A mobile platform maps and tracks the orientation of the mobile platform in real-time as the mobile platform rotates. The mobile platform captures a plurality of camera images as the camera rotates and projects the plurality of camera images consecutively to a panoramic cylindrical map. The map is extended by projecting areas of any camera image that correspond to unmapped portions of the panoramic cylindrical map. Keypoints are extracted from mapped portions of the map and using the keypoints the orientation of the camera is determined. Accumulated error is removed when closing the panoramic cylindrical map by extending the map horizontally beyond 360 degrees to produce overlapping regions and extracting and matching keypoints from the overlapping regions. Additionally, an incorrect estimate of the initial orientation of the map may be corrected by determining the correct orientation and re-projecting the map onto a map with the correct orientation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Visual tracking using panoramas on mobile devices","description":"A mobile platform maps and tracks the orientation of the mobile platform in real-time as the mobile platform rotates. The mobile platform captures a plurality of camera images as the camera rotates an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9635251","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-9635251","citation_suggestion":"Patentable. \"Visual tracking using panoramas on mobile devices\" (US-9635251). https://patentable.app/patents/US-9635251","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9635251","json":"https://patentable.app/api/llm-context/US-9635251","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:46:52.084Z"}