{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11291422","patent":{"patent_number":"US-11291422","title":"Reconstructing cardiac frequency phenomena in angiographic data","assignee":null,"inventors":[],"filing_date":"2020-03-27T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["A61B","G06T","A61B","A61B","A61B","A61B","G06T","A61B","G06T","G06T"],"num_claims":25,"abstract":"Techniques are provided for reconstructing cardiac frequency phenomena from a sequence of angiographic images, i.e., two-dimensional projection images acquired at faster than cardiac rate (greater than two-fold), and analyzed to provide a spatiotemporal reconstruction of moving vascular pulse waves according to that projection. In aspects, a cardiac frequency bandpass filter and/or a Eulerian magnification may be applied to the angiographic data to output the spatiotemporal reconstruction of cardiac frequency angiographic phenomena."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Reconstructing cardiac frequency phenomena in angiographic data","description":"Techniques are provided for reconstructing cardiac frequency phenomena from a sequence of angiographic images, i.e., two-dimensional projection images acquired at faster than cardiac rate (greater tha","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11291422","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-11291422","citation_suggestion":"Patentable. \"Reconstructing cardiac frequency phenomena in angiographic data\" (US-11291422). https://patentable.app/patents/US-11291422","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11291422","json":"https://patentable.app/api/llm-context/US-11291422","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:04:53.882Z"}