Title:
MAGNETIC RESONANCE IMAGING DEVICE. IMAGE PROCESSING DEVICE, AND SIGNAL SEPARATION METHOD
Document Type and Number:
Japanese Patent JP2023134233
Kind Code:
A
Abstract:
To accurately separate signals from a plurality of metabolites in an MRI image.SOLUTION: A signal separation unit generates a plurality of signal patterns that have changed the value of variables of each material on the basis of prior information as a dictionary, and executes signal separation of each material by matching the dictionary with measurement signals. In this case, the order of signal strength of each material is used as prior information, and while the dictionary used for the matching is changed according to the order, selection of the best matched dictionary is repeated for each material.SELECTED DRAWING: Figure 5
Inventors:
SHIRAI TORU
SATO RYOTA
NISHIHARA TAKASHI
TAKIZAWA MASAHIRO
BITO YOSHITAKA
SATO RYOTA
NISHIHARA TAKASHI
TAKIZAWA MASAHIRO
BITO YOSHITAKA
Application Number:
JP2022039643A
Publication Date:
September 27, 2023
Filing Date:
March 14, 2022
Export Citation:
Assignee:
FUJIFILM HEALTHCARE CORP
International Classes:
A61B5/055; G01N24/08; G01R33/483
Attorney, Agent or Firm:
Patent Attorney Corporation Sannozaka Patent Office
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