Published May 1993 | Version v1
Journal article Metadata-only

Phase correction and band-pass filters in CT imaging

Creators

  • 1. Academia Sinica, Shanghai, SH (China). Shanghai Inst. of Nuclear Research

Description

The authors report the use of the fast Fourier transform (FFT) in the direct Fourier transform method (DFM) in Computerized Tomography (CT) reconstruction. Phase corrections are needed in the CT reconstruction. In order to eliminate the image distortion from the basic DFM, Padding and band-pass filters are used in the improved DFM. Finally, some reconstructions from simulated projections and several experimental results are given

Additional details

Publishing Information

Journal Title
Nuclear Science and Techniques
Journal Volume
4
Journal Issue
2
Journal Page Range
p. 101-107.
ISSN
1001-8042
CODEN
NSETEC

INIS

Country of Publication
China
Country of Input or Organization
China
INIS RN
25037365
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Descriptors DEI
ALGORITHMS; COMPARATIVE EVALUATIONS; COMPUTERIZED TOMOGRAPHY; ELECTRIC FILTERS; FOURIER TRANSFORMATION; IMAGE PROCESSING; MODIFICATIONS; PHASE SHIFT
Descriptors DEC
EVALUATION; FILTERS; INTEGRAL TRANSFORMATIONS; TOMOGRAPHY; TRANSFORMATIONS