Tomography Algorithms.pdf

CTI_Ch03.pdf
Preview of Tomography Algorithms
🔗 Source: engineering.purdue.edu
📊 Size: 5.59 MB
👤 Author: jeanne
⬇️ Downloads: 115

Summary

Algorithms for reconstruction with nondiffracting sources are discussed, focusing on recovering an object's cross-section image from projection data. The Fourier Slice Theorem relates measured projection data to the object's 2D Fourier transform. Line integrals and projections are defined, with line integrals representing the integral of a parameter along a line, and projections formed by combining line integrals. The Radon transform is introduced, and parallel and fan beam projections are described. The Shepp and Logan "head phantom" is used for computer simulations, consisting of 10 ellipses, allowing for analytical expressions for projections.

Description

Algorithms for reconstruction with nondiffracting sources are discussed, focusing on recovering an object's cross-section image from projection data.

Technical Information

  • File Format: PDF
  • File Size: 5.59 MB
  • Pages: 64
  • Language: EN
  • Author: jeanne
  • Total Downloads: 115
  • Last Updated: 1 week ago

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