{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11525923","patent":{"patent_number":"US-11525923","title":"Real-time three-dimensional map building method and device using three-dimensional lidar","assignee":null,"inventors":[],"filing_date":"2019-09-10T00:00:00.000Z","publication_date":"2022-12-13T00:00:00.000Z","cpc_codes":["G01S","G06T","G01S","G01S","G06T","G06T","G06T","G01S","G06T","G06T","G06T","G06T","G06T"],"num_claims":6,"abstract":"Real-time three-dimensional (3D) map building method and device using a 3D lidar includes representing 3D map data of a surrounding environment acquired by using a 3D lidar attached to a moving object as voxels, acquiring an eigenvalue and an eigenvector for each voxel based on all 3D points in a 3D map represented as the voxels, detecting a 3D corresponding point in the voxel corresponding to all the 3D points of 3D data newly acquired by using the 3D lidar while the moving object travels, calculating a rotation transformation and a translation transformation for minimizing an error by minimizing an inner product value between the eigenvector weighted by the eigenvalue of the voxel to which the 3D corresponding point belongs and a vector generated from a 3D corresponding point, and updating the 3D map data based on the rotation transformation and the translation transformation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Real-time three-dimensional map building method and device using three-dimensional lidar","description":"Real-time three-dimensional (3D) map building method and device using a 3D lidar includes representing 3D map data of a surrounding environment acquired by using a 3D lidar attached to a moving object","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11525923","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-11525923","citation_suggestion":"Patentable. \"Real-time three-dimensional map building method and device using three-dimensional lidar\" (US-11525923). https://patentable.app/patents/US-11525923","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11525923","json":"https://patentable.app/api/llm-context/US-11525923","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:39:26.549Z"}