Item Details

Computed Tomography [electronic resource]: Principles, Design, Artifacts, and Recent Advances

Jiang Hsieh
Format
EBook; Book; Online
Published
Hoboken, N.J. : Wiley Interscience ; Bellingham, Wash. : SPIE Press, c2009.
Edition
2nd ed
Language
English
ISBN
9780470563533, 9780819475336
Summary
X-ray computed tomography (CT) continues to experience rapid growth, both in basic technology and new clinical applications. Seven years after its first edition, Computed Tomography: Principles, Design, Artifacts, and Recent Advancements, Second Edition, provides an overview of the evolution of CT, the mathematical and physical aspects of the technology, and the fundamentals of image reconstruction algorithms. Image display is examined from traditional methods used through the most recent advancements. Key performance indices, theories behind the measurement methodologies, and different measurement phantoms in image quality are discussed. The CT scanner is broken down into components to provide the reader with an understanding of their function, their latest advances, and their impact on the CT system. General descriptions and different categories of artifacts, their causes, and their corrections are considered at length.
Contents
  • 1. Introduction
  • Conventional X-ray Tomography
  • History of Computed Tomography
  • Different Generations of CT Scanners.
  • 2. Preliminaries
  • Mathematics Fundamentals
  • Fundamentals of X-ray Physics
  • Measurement of Line Integrals and Data Conditioning
  • Sampling Geometry and Sinogram.
  • 3. Image Reconstruction
  • Introduction
  • Several Approaches to Image Reconstruction
  • The Fourier Slice Theorem
  • The Filtered Backprojection Algorithm
  • Fan-Beam Reconstruction
  • Iterative Reconstruction.
  • 4. Image Presentation
  • CT Image Display
  • Volume Visualization
  • Impact of Visualization Tools.
  • 5. Key Performance Parameters of the CT Scanner
  • High-Contrast Spatial Resolution
  • Low-Contrast Resolution
  • Temporal Resolution
  • CT Number Accuracy and Noise
  • Performance of the Scanogram.
  • 6. Major Components of the CT Scanner
  • System Overview
  • The X-ray Tube and High-Voltage Generator
  • The X-ray Detector and Data-Acquisition Electronics
  • The Gantry and Slip Ring
  • Collimation and Filtration
  • The Reconstruction Engine.
  • 7. Image Artifacts: Appearances, Causes, and Corrections
  • What Is an Image Artifact?
  • Different Appearances of Image Artifacts
  • Artifacts Related to System Design
  • Artifacts Related to X-ray Tubes
  • Detector-induced Artifacts
  • Patient-induced Artifacts
  • Operator-induced Artifacts.
  • 8. Computer Simulation and Analysis
  • What Is Computer Simulation?
  • Simulation Overview
  • Simulation of Optics
  • Computer Simulation of Physics-related Performance.
  • 9. Helical or Spiral CT
  • Terminology and Reconstruction
  • Slice Sensitivity Profile and Noise
  • Helically Related Image Artifacts.
  • 10. Multislice CT
  • The Need for Multislice CT
  • Detector Configurations of Multislice CT
  • Nonhelical Mode of Reconstruction
  • Multislice Helical Reconstruction
  • Multislice Artifacts.
  • 11. X-ray Radiation and Dose-Reduction Techniques
  • Biological Effects of X-ray Radiation
  • Measurement of X-ray dose
  • Methodologies for Dose Reduction.
  • 12. Advanced CT Applications
  • Cardiac Imaging
  • CT Fluoroscopy
  • CT Perfusion
  • Screening and Quantitative CT
  • Dual-Energy CT.
Description
Mode of access: World wide Web.
Notes
Includes bibliographical references and index.
Logo for Copyright Not EvaluatedCopyright Not Evaluated
Technical Details
  • Access in Virgo Classic

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    a| 9. Helical or Spiral CT -- Introduction -- Terminology and Reconstruction -- Slice Sensitivity Profile and Noise -- Helically Related Image Artifacts.
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