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Image reconstruction based on energy-resolved image data from a photon-counting multi-bin detector
KTH, Skolan för teknikvetenskap (SCI), Fysik, Medicinsk bildfysik.
KTH, Skolan för teknikvetenskap (SCI), Fysik, Medicinsk bildfysik.ORCID-id: 0000-0002-5092-8822
KTH, Skolan för teknikvetenskap (SCI), Fysik, Medicinsk bildfysik.
2015 (Engelska)Patent (Övrig (populärvetenskap, debatt, mm))
Abstract [en]

There is provided a method of image reconstruction based on energy-resolved image data from a photon-counting multi-bin detector or an intermediate storage. The method comprises processing (S1) the energy-resolved image data by performing at least two separate basis decompositions using different number of basis functions for modeling linear attenuation, wherein a first basis decomposition is performed using a first smaller set of basis functions to obtain at least one first basis image representation, and wherein a second basis decomposition is performed using a second larger set of basis functions to obtain at least one second basis image representation. The method also comprises reconstructing a first image based on said at least one first basis image representation obtained from the first basis decomposition, and combining the first image with information representative of said at least one second basis image representation.

Ort, förlag, år, upplaga, sidor
2015.
Nationell ämneskategori
Medicinsk bildbehandling
Identifikatorer
URN: urn:nbn:se:kth:diva-260501OAI: oai:DiVA.org:kth-260501DiVA, id: diva2:1355720
Patent
US 9870628B2 (2018-01-16)
Anmärkning

QC 20191014

Tillgänglig från: 2019-09-30 Skapad: 2019-09-30 Senast uppdaterad: 2019-10-14Bibliografiskt granskad

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Grönberg, FredrikPersson, MatsBornefalk, Hans

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