[go: up one dir, main page]

Valton et al., 2006 - Google Patents

A FDK-based reconstruction method for off-centered circular trajectory cone beam tomography

Valton et al., 2006

Document ID
6245750149728423966
Author
Valton S
Peyrin F
Sappey-Marinier D
Publication year
Publication venue
IEEE transactions on nuclear science

External Links

Snippet

In the framework of post-genomic era, computed tomography (CT) and positron emission tomography (PET) systems were recently adapted to the new requirements of small animal imaging. In order to combine ideally anatomical and functional informations, simultaneous …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • 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
    • 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
    • G06T2211/416—Exact reconstruction
    • 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
    • A61B6/02—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
    • A61B6/50—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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10104—Positron emission tomography [PET]
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Application in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Application in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1647—Processing of scintigraphic data

Similar Documents

Publication Publication Date Title
Defrise et al. Image reconstruction
US7394923B2 (en) Imaging system for generating a substantially exact reconstruction of a region of interest
Lewitt et al. Overview of methods for image reconstruction from projections in emission computed tomography
Long et al. 3D forward and back-projection for X-ray CT using separable footprints
De Man et al. Distance-driven projection and backprojection
US6907102B1 (en) Iterative reconstruction methods for multi-slice computed tomography
Galigekere et al. Cone-beam reprojection using projection-matrices
EP2210238B1 (en) Apparatus and method for generation of attenuation map
JP4965575B2 (en) Distributed iterative image reconstruction
Mueller et al. The weighted-distance scheme: a globally optimizing projection ordering method for ART
JP2022027461A (en) Systems and methods for reprojection and backprojection via homographic resampling transform
US7672424B2 (en) Image reconstruction with voxel dependent interpolation
Brasse et al. Fast fully 3-D image reconstruction in PET using planograms
Liang Compensation for attenuation, scatter, and detector response in SPECT reconstruction via iterative FBP methods
Zeng et al. Fan-beam reconstruction algorithm for a spatially varying focal length collimator
Valton et al. A FDK-based reconstruction method for off-centered circular trajectory cone beam tomography
Liu et al. X‐ray micro‐CT with a displaced detector array: Application to helical cone‐beam reconstruction
Miao Comparative studies of different system models for iterative CT image reconstruction
Grangeat et al. Indirect cone-beam three-dimensional image reconstruction
Wen et al. An analytical inversion of the nonuniformly attenuated Radon transform with variable focal-length fan-beam collimators
Zou et al. Laplace operator based reconstruction algorithm for truncated spiral cone beam computed tomography
Varga et al. Iterative high resolution tomography from combined high-low resolution sinogram pairs
Celler et al. Three approaches to dynamic SPECT imaging
Liang et al. Quantitative cardiac SPECT in three dimensions: validation by experimental phantom studies
Jiang Implementation and Evaluation of 3D Reconstruction Algorithms for Dedicated Breast CT