Consistent estimation of cardiac motions by 4D image registration.

Dinggang Shen, Hari Sundar, Zhong Xue, Yong Fan, Harold Litt

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

A 4D image registration method is proposed for consistent estimation of cardiac motion from MR image sequences. Under this 4D registration framework, all 3D cardiac images taken at different time-points are registered simultaneously, and motion estimated is enforced to be spatiotemporally smooth, thereby overcoming potential limitations of some methods that typically estimate cardiac deformation sequentially from one frame to another, instead of treating the entire set of images as a 4D volume. To facilitate our image matching process, an attribute vector is designed for each point in the image to include intensity, boundary and geometric moment invariants (GMIs). Hierarchical registration of two image sequences is achieved by using the most distinctive points for initial registration of two sequences and gradually adding less-distinctive points for refinement of registration. Experimental results on real data demonstrate good performance of the proposed method in registering cardiac images and estimating motions from cardiac image sequences.

Original languageEnglish
Title of host publicationMedical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
Pages902-910
Number of pages9
Volume8
EditionPt 2
Publication statusPublished - 2005 Dec 1
Externally publishedYes

Cite this

Shen, D., Sundar, H., Xue, Z., Fan, Y., & Litt, H. (2005). Consistent estimation of cardiac motions by 4D image registration. In Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention (Pt 2 ed., Vol. 8, pp. 902-910)

Consistent estimation of cardiac motions by 4D image registration. / Shen, Dinggang; Sundar, Hari; Xue, Zhong; Fan, Yong; Litt, Harold.

Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Vol. 8 Pt 2. ed. 2005. p. 902-910.

Research output: Chapter in Book/Report/Conference proceedingChapter

Shen, D, Sundar, H, Xue, Z, Fan, Y & Litt, H 2005, Consistent estimation of cardiac motions by 4D image registration. in Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Pt 2 edn, vol. 8, pp. 902-910.
Shen D, Sundar H, Xue Z, Fan Y, Litt H. Consistent estimation of cardiac motions by 4D image registration. In Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Pt 2 ed. Vol. 8. 2005. p. 902-910
Shen, Dinggang ; Sundar, Hari ; Xue, Zhong ; Fan, Yong ; Litt, Harold. / Consistent estimation of cardiac motions by 4D image registration. Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Vol. 8 Pt 2. ed. 2005. pp. 902-910
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