Completeness map evaluation demonstrated with candidate next-generation cardiac CT architectures.

Medical Physics
Baodong LiuHengyong Yu

Abstract

In this report, the authors introduce the general concept of the completeness map, as a means to evaluate the completeness of data acquired by a given CT system design (architecture and scan mode). They illustrate the utility of completeness map by applying the completeness map concept to a number of candidate CT system designs, as part of a study to advance the state-of-the-art in cardiac CT. In order to optimally reconstruct a point within a volume of interest (VOI), the Radon transform on all possible planes through that point should be measured. The authors quantified the extent to which this ideal condition is satisfied for the entire image volume. They first determined a Radon completeness number for each point in the VOI, as the percentage of possible planes that is actually measured. A completeness map is then defined as a 3D matrix of the completeness numbers for the entire VOI. The authors proposed algorithms to analyze the projection datasets in Radon space and compute the completeness number for a fixed point and apply these algorithms to various architectures and scan modes that they are evaluating. In this report, the authors consider four selected candidate architectures, operating with different scan modes, for ...Continue Reading

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Feb 24, 2010·Medical Physics·Seungryong ChoXiaochuan Pan

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Citations

Mar 8, 2013·Medical Physics·Scott S HsiehNorbert J Pelc
Feb 19, 2016·Journal of X-ray Science and Technology·Paul FitzGeraldBruno De Man
Jun 9, 2017·Medical Physics·Paul FitzGeraldBruno De Man
Dec 3, 2017·The Review of Scientific Instruments·Zenghui WeiLong Wei
Feb 9, 2016·Physics in Medicine and Biology·Zhicong YuFrédéric Noo
Feb 13, 2015·Physics in Medicine and Biology·J-H KimR Fulton
Feb 26, 2021·Physics in Medicine and Biology·Kyeong-Hyeon KimDong-Su Kim

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