{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9741104","patent":{"patent_number":"US-9741104","title":"Apparatus, method, and computer-readable medium for quad reconstruction using hybrid filter convolution and high dynamic range tone-mapping","assignee":null,"inventors":[],"filing_date":"2015-05-18T00:00:00.000Z","publication_date":"2017-08-22T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T","G06T","G06T","G06T","G06T","G06T","G16H"],"num_claims":12,"abstract":"An apparatus for image reconstruction is provided, including processing circuitry to obtain, from a scan of a region of interest of a patient, raw projection data of the region of interest; reconstruct the raw projection data to produce image data; apply high dynamic range tone-mapping to the image data to produce tone-mapped image data by applying window width and window level parameters to the image data to produce adjusted image data, and calculating a contrast adjustment based on both the image data and the adjusted image data; and quantize the tone-mapped image data to produce quantized tone-mapped image data for display."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus, method, and computer-readable medium for quad reconstruction using hybrid filter convolution and high dynamic range tone-mapping","description":"An apparatus for image reconstruction is provided, including processing circuitry to obtain, from a scan of a region of interest of a patient, raw projection data of the region of interest; reconstruc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9741104","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-9741104","citation_suggestion":"Patentable. \"Apparatus, method, and computer-readable medium for quad reconstruction using hybrid filter convolution and high dynamic range tone-mapping\" (US-9741104). https://patentable.app/patents/US-9741104","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9741104","json":"https://patentable.app/api/llm-context/US-9741104","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:16:38.004Z"}