{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11291416","patent":{"patent_number":"US-11291416","title":"Parameter estimation method and X-ray CT system","assignee":null,"inventors":[],"filing_date":"2018-06-07T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["A61B","A61B","A61B","A61B","A61B","G06T","A61B","A61B"],"num_claims":4,"abstract":"An X-ray CT device and a computing unit to use a projection-based method for image reconstruction are included. The computing unit sets a coordinate space having coordinate axes of the thicknesses of base materials and likelihood the thicknesses, and then based on X-ray attenuation responses, executes: a first search to search in a direction perpendicular to a ridge direction of likelihood contours for a first estimated thickness having the highest likelihood, starting with an estimated thickness input value set in the coordinate space; a second search to search for a second estimated thickness having the highest likelihood, starting with a shifted starting point at a position shifted from the estimated thickness input value; and a third search to search on a line connecting the first estimated thickness with the second estimated thickness for the highest likelihood estimator having the highest likelihood, to obtain an estimated thickness output value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Parameter estimation method and X-ray CT system","description":"An X-ray CT device and a computing unit to use a projection-based method for image reconstruction are included. The computing unit sets a coordinate space having coordinate axes of the thicknesses of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11291416","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-11291416","citation_suggestion":"Patentable. \"Parameter estimation method and X-ray CT system\" (US-11291416). https://patentable.app/patents/US-11291416","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11291416","json":"https://patentable.app/api/llm-context/US-11291416","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:32:14.238Z"}