[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Lin et al., 2014 - Google Patents

An efficient polyenergetic SART (pSART) reconstruction algorithm for quantitative myocardial CT perfusion

Lin et al., 2014

Document ID
6851497017894434137
Author
Lin Y
Samei E
Publication year
Publication venue
Medical Physics

External Links

Snippet

Purpose: In quantitative myocardial CT perfusion imaging, beam hardening effect due to dense bone and high concentration iodinated contrast agent can result in visible artifacts and inaccurate CT numbers. In this paper, an efficient polyenergetic Simultaneous Algebraic …
Continue reading at aapm.onlinelibrary.wiley.com (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/481—Diagnostic techniques involving the use of contrast agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications
    • A61B6/507—Clinical applications involving determination of haemodynamic parameters, e.g. perfusion CT
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/582—Calibration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

Similar Documents

Publication Publication Date Title
Lin et al. An efficient polyenergetic SART (pSART) reconstruction algorithm for quantitative myocardial CT perfusion
Park et al. CT sinogram‐consistency learning for metal‐induced beam hardening correction
Li et al. Adaptive nonlocal means filtering based on local noise level for CT denoising
Zou et al. Analysis of fast kV-switching in dual energy CT using a pre-reconstruction decomposition technique
Maaß et al. Image‐based dual energy CT using optimized precorrection functions: A practical new approach of material decomposition in image domain
Stenner et al. Empirical dual energy calibration (EDEC) for cone‐beam computed tomography
US10121267B2 (en) Spectral estimation and poly-energetic reconstruction methods and X-ray systems
Van Slambrouck et al. Metal artifact reduction in computed tomography using local models in an image block‐iterative scheme
Kyriakou et al. Empirical beam hardening correction (EBHC) for CT
McCollough et al. Achieving routine submillisievert CT scanning: report from the summit on management of radiation dose in CT
Maaß et al. Exact dual energy material decomposition from inconsistent rays (MDIR)
CN106233335B (en) X-ray spectrum imaging method and system
Cai et al. A full‐spectral Bayesian reconstruction approach based on the material decomposition model applied in dual‐energy computed tomography
Schüller et al. Segmentation‐free empirical beam hardening correction for CT
Weidinger et al. Polychromatic iterative statistical material image reconstruction for photon‐counting computed tomography
Wang et al. Low‐dose preview for patient‐specific, task‐specific technique selection in cone‐beam CT
Ay et al. Assessment of errors caused by x-ray scatter and use of contrast medium when using CT-based attenuation correction in PET
Zhao et al. A unified material decomposition framework for quantitative dual‐and triple‐energy CT imaging
JP7346429B2 (en) Virtual non-contrast images with improved image quality produced by a spectral computed tomography (CT) scanner
Xia et al. Dual energy CT for attenuation correction with PET/CT
Söderman et al. Image quality dependency on system configuration and tube voltage in chest tomosynthesis—a visual grading study using an anthropomorphic chest phantom
Wang et al. Design, analysis and simulation for development of the first clinical micro-CT scanner1
Lin et al. A fast poly-energetic iterative FBP algorithm
Zhao et al. Robust beam hardening artifacts reduction for computed tomography using spectrum modeling
TW201615152A (en) Attenuation correction method for positron emission tomography image