A Bayesian-MAP Method Based on TV for CT Image Reconstruction from Sparse and Limited Data-中国Betway体育网页登陆

摘要 Computedtomography（CT）playsanimportantroleinthefieldofmodernmedicalimaging.Reducingradiationexposuredosewithoutsignificantlydecreasingimage＇squalityisalwaysacrucialissue.Inspiredbytheoutstandingperformanceoftotalvariation（TV）techniqueinCTimagereconstruction,aTVregularizationbasedBayesian-MAP（MAP-TV）isproposedtoreconstructthecaseofsparseviewprojectionandlimitedanglerangeimaging.Thismethodcansuppressthestreakartifactsandgeometricaldeformationwhilepreservingimageedges.Weusedorderedsubset（OS）techniquetoacceleratethereconstructionspeed.NumericalresultsshowthatMAP-TVisabletoreconstructaphantomwithbettervisualperformanceandquantitativeevaluationthanclassicalFBP,MLEMandquadratepriortoMAPalgorithms.Theproposedalgorithmcanbegeneralizedtocone-beamCTimagereconstruction.

1Dzmitry Hlindzich;AlehKryvanos.Mesh-Growing Surface Reconstruction from Sparse and Irregular Data.计算机应用技术,2013-04.
2Chen Guo-Xin Chen Sheng-Chang Wang Han-Chuang Zhang Bo.Geophysical data sparse reconstruction based on L0-norm minimization.地球物理学,2013-02.
3QU Jing-yi SHI Hao-shan.A CT Image Segmentation Algorithm Based on Level Set Method.生物医学工程,2006-02.
4Shao Weizeng;Sun Jian;Guan Changlong;Sun Zhanfeng.A Method for Sea Surface Wind Field Retrieval from SAR Image Mode Data.海洋科学,2014-02.
5TAN Bing XU Qing ZHANG Yan XING Shuai.Dynamic Data Updating Algorithm for Image Superresolution Reconstruction.测绘科学与技术,2006-03.
6Jiaqi Zhen;Zhifang Wang.DOA estimation method for wideband signals by block sparse reconstruction.物理电子学,2016-01.
7吴建民;施鹏飞.Image reconstruction for brain CT slices.物理电子学,2004-03.
8Wei-hua ZHAO;Ri-quan ZHANG;Ya-zhao LU;Ji-cai LIU.Bayesian Regularized Regression Based on Composite Quantile Method.基础数学,2016-02.
9Wan Xiaoxia.THE HYPERMEDIA DATA MODEL BASED ON THE INFINITY IMAGE.测绘科学与技术,2000-04.
10王凌;徐之海;冯华君;张平.Light energy matching method in high—resolution image reconstruction.光学工程,2003-05.

A Bayesian-MAP Method Based on TV for CT Image Reconstruction from Sparse and Limited Data

来源期刊

相关推荐

同分类资源更多

相关关键词