{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9826216","patent":{"patent_number":"US-9826216","title":"Systems and methods for compact space-time stereo three-dimensional depth sensing","assignee":null,"inventors":[],"filing_date":"2016-09-23T00:00:00.000Z","publication_date":"2017-11-21T00:00:00.000Z","cpc_codes":["G06V","H04N","H04N","H04N","G06T","G06T","G06T","G06V","H04N"],"num_claims":20,"abstract":"A pattern projection system includes a coherent light source, a repositionable DOE disposed to receive coherent light from said coherent light source and disposed to output at least one pattern of projectable light onto a scene to be imaged by an (x,y) two-dimensional optical acquisition system. Coherent light speckle artifacts in the projected pattern are reduced by rapidly controllably repositioning the DOE or the entire pattern projection system. Different projectable patterns are selected from a set of M patterns that are related to each other by a translation and/or rotation operation in two-dimensional cosine space. A resultant (x,y,z) depth map has improved quality and robustness due to projection of the selected patterns. Three-dimensional (x,y,z) depth data obtained from two-dimensional imaged data including despeckling is higher quality data than if projected patterns without despeckling were used."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for compact space-time stereo three-dimensional depth sensing","description":"A pattern projection system includes a coherent light source, a repositionable DOE disposed to receive coherent light from said coherent light source and disposed to output at least one pattern of pro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9826216","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-9826216","citation_suggestion":"Patentable. \"Systems and methods for compact space-time stereo three-dimensional depth sensing\" (US-9826216). https://patentable.app/patents/US-9826216","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9826216","json":"https://patentable.app/api/llm-context/US-9826216","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:22:38.798Z"}