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1. WO2014106956 - X-RAY COMPUTED TOMOGRAPHY DEVICE AND MEDICAL IMAGE PROCESSING DEVICE

Publication Number WO/2014/106956
Publication Date 10.07.2014
International Application No. PCT/JP2014/050086
International Filing Date 07.01.2014
IPC
A61B 6/03 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03Computerised tomographs
CPC
A61B 6/03
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03Computerised tomographs
A61B 6/032
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03Computerised tomographs
032Transmission computed tomography [CT]
A61B 6/482
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
48Diagnostic techniques
482involving multiple energy imaging
A61B 6/5205
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
52Devices using data or image processing specially adapted for radiation diagnosis
5205involving processing of raw data to produce diagnostic data
G06T 11/005
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
112D [Two Dimensional] image generation
003Reconstruction from projections, e.g. tomography
005Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
G06T 2207/10081
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10072Tomographic images
10081Computed x-ray tomography [CT]
Applicants
  • 株式会社東芝 KABUSHIKI KAISHA TOSHIBA [JP]/[JP]
  • 東芝メディカルシステムズ株式会社 TOSHIBA MEDICAL SYSTEMS CORPORATION [JP]/[JP]
Inventors
  • 田口 博基 TAGUCHI, Hiroki
  • 中西 知 NAKANISHI, Satoru
Agents
  • 酒井 宏明 SAKAI, Hiroaki
Priority Data
2013-00069507.01.2013JP
2014-00114507.01.2014JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) X-RAY COMPUTED TOMOGRAPHY DEVICE AND MEDICAL IMAGE PROCESSING DEVICE
(FR) DISPOSITIF DE TOMODENSITOMÉTRIE ET DISPOSITIF DE TRAITEMENT D'IMAGE MÉDICALE
(JA) X線コンピュータ断層撮影装置及び医用画像処理装置
Abstract
(EN) The X-ray computed tomography device according to an embodiment of the present invention is provided with an image processing unit (36b) and an decomposition unit (36c). The image processing unit (36b) performs image processing of a plurality of sets of monochrome X-ray image data of different energies generated from projection data. For each of at least two reference materials set in advance, the decomposition unit (36c) decomposes the plurality of monochrome X-ray image data for which the image processing was performed, and generates reference material image data for each of the plurality of reference materials.
(FR) Le dispositif de tomodensitométrie selon un mode de réalisation de la présente invention comprend une unité de traitement d'image (36b) et une unité de décomposition (36c). L'unité de traitement d'image (36b) effectue un traitement d'image d'une pluralité d'ensembles de données d'image radiologique monochrome de différentes énergies produites à partir de données de projection. Pour chaque matériau parmi au moins deux matériaux de référence établis à l'avance, l'unité de décomposition (36c) décompose la pluralité de données d'image radiologique monochrome pour lesquelles le traitement d'image a été effectué, et produit des données d'image de matériau de référence pour chaque matériau parmi la pluralité de matériaux de référence.
(JA)  実施形態のX線コンピュータ断層撮影装置は、画像処理部(36b)と、分解部(36c)とを備える。画像処理部(36b)は、投影データから生成された異なるエネルギーでの複数の単色X線画像データそれぞれに対して画像処理を行なう。分解部(36c)は、前記画像処理が行われた前記複数の単色X線画像データを、予め設定された少なくとも2つ以上の複数の基準物質ごとに分解して、前記複数の基準物質それぞれの基準物質画像データを生成する。
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