Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves

Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves

We study the local region-of-interest (ROI) reconstruction problem, also referred to as the local CT problem. Our scheme includes two steps: (a) the local truncated normal-dose projections are extended to global dataset by combining a few global low-dose projections; (b) the ROI are reconstructed by...

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Main Authors: Hengyong Yu, Yangbo Ye, Shiying Zhao, Ge Wang
Format: Article
Language:English
Published: Hindawi Limited 2006-01-01
Series:International Journal of Biomedical Imaging
Online Access:http://dx.doi.org/10.1155/IJBI/2006/14989
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spelling doaj-907742e82d3a40caa0c546b213216d952020-11-25T00:20:58ZengHindawi LimitedInternational Journal of Biomedical Imaging1687-41881687-41962006-01-01200610.1155/IJBI/2006/1498914989Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible CurvesHengyong Yu0Yangbo Ye1Shiying Zhao2Ge Wang3CT/Micro-CT Laboratory, Department of Radiology, University of Iowa, Iowa City, IA 52242, USACT/Micro-CT Laboratory, Department of Radiology, University of Iowa, Iowa City, IA 52242, USACT/Micro-CT Laboratory, Department of Radiology, University of Iowa, Iowa City, IA 52242, USACT/Micro-CT Laboratory, Department of Radiology, University of Iowa, Iowa City, IA 52242, USAWe study the local region-of-interest (ROI) reconstruction problem, also referred to as the local CT problem. Our scheme includes two steps: (a) the local truncated normal-dose projections are extended to global dataset by combining a few global low-dose projections; (b) the ROI are reconstructed by either the generalized filtered backprojection (FBP) or backprojection-filtration (BPF) algorithms. The simulation results show that both the FBP and BPF algorithms can reconstruct satisfactory results with image quality in the ROI comparable to that of the corresponding global CT reconstruction.http://dx.doi.org/10.1155/IJBI/2006/14989
collection DOAJ
language English
format Article
sources DOAJ
author Hengyong Yu
Yangbo Ye
Shiying Zhao
Ge Wang
spellingShingle Hengyong Yu
Yangbo Ye
Shiying Zhao
Ge Wang
Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
International Journal of Biomedical Imaging
author_facet Hengyong Yu
Yangbo Ye
Shiying Zhao
Ge Wang
author_sort Hengyong Yu
title Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
title_short Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
title_full Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
title_fullStr Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
title_full_unstemmed Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves
title_sort local roi reconstruction via generalized fbp and bpf algorithms along more flexible curves
publisher Hindawi Limited
series International Journal of Biomedical Imaging
issn 1687-4188
1687-4196
publishDate 2006-01-01
description We study the local region-of-interest (ROI) reconstruction problem, also referred to as the local CT problem. Our scheme includes two steps: (a) the local truncated normal-dose projections are extended to global dataset by combining a few global low-dose projections; (b) the ROI are reconstructed by either the generalized filtered backprojection (FBP) or backprojection-filtration (BPF) algorithms. The simulation results show that both the FBP and BPF algorithms can reconstruct satisfactory results with image quality in the ROI comparable to that of the corresponding global CT reconstruction.
url http://dx.doi.org/10.1155/IJBI/2006/14989
work_keys_str_mv AT hengyongyu localroireconstructionviageneralizedfbpandbpfalgorithmsalongmoreflexiblecurves
AT yangboye localroireconstructionviageneralizedfbpandbpfalgorithmsalongmoreflexiblecurves
AT shiyingzhao localroireconstructionviageneralizedfbpandbpfalgorithmsalongmoreflexiblecurves
AT gewang localroireconstructionviageneralizedfbpandbpfalgorithmsalongmoreflexiblecurves
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