Title:
X-RAY CT APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND X-RAY CT SYSTEM
Document Type and Number:
Japanese Patent JP2020039872
Kind Code:
A
Abstract:
To provide a CT image having improved tissue resolution.SOLUTION: An X-ray CT apparatus according to an embodiment includes a scan unit and an analysis unit. The scan unit acquires a first data set corresponding to first X-ray energy and a second data set corresponding to second X-ray energy different from the first X-ray energy, with respect to a region including a part of a subject by performing scanning using X-rays. The analysis unit generates a scatter diagram representing a contained amount of each of reference materials at each of positions in the region on the basis of the first data set and the second data set, sets weights for at least a part of the scatter diagram, and generates an analysis image on the basis of the contained amounts and the weights.SELECTED DRAWING: Figure 2
Inventors:
SEKIYA KOTARO
KUNO HIROBUMI
HIYAMA TAKASHI
HASHIZUME TSUBOMI
TSUSHIMA SATOSHI
TSUKAGOSHI SHINSUKE
KUNO HIROBUMI
HIYAMA TAKASHI
HASHIZUME TSUBOMI
TSUSHIMA SATOSHI
TSUKAGOSHI SHINSUKE
Application Number:
JP2019162621A
Publication Date:
March 19, 2020
Filing Date:
September 06, 2019
Export Citation:
Assignee:
CANON MEDICAL SYSTEMS CORP
NAT CANCER CT
NAT CANCER CT
International Classes:
A61B6/03
Domestic Patent References:
| JP2011110245A | 2011-06-09 |
Foreign References:
| WO2016158234A1 | 2016-10-06 |
Other References:
PETRONGOLO MICHAEL ET AL.: "Noise Suppression for Dual-Energy CT Through Entropy Minimization", IEEE TRANSACTIONS ON MEDICAL IMAGING, vol. 34, no. 11, JPN6023012402, November 2015 (2015-11-01), pages 2286 - 2297, XP011588709, ISSN: 0005026957, DOI: 10.1109/TMI.2015.2429000
Attorney, Agent or Firm:
Toranomon Intellectual Property Office