Optic flow computation from cardiac MR tagging using a multiscale differential method : a comparative study with velocity-encoded MRI

Avan Suinesiaputra, Luc Florack, Jos J. M. Westenberg, Bart M. ter Haar Romeny, Johan H. C. Reiber, Boudewijn P. F. Lelieveldt

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)

Abstract

The computation of an optic flow field to reconstruct a dense velocity field from a sequence of tagged MR images faces a major difficulty: a non-constant pixel intensity. In this paper, we resolved this problem by regarding the MRI sequence as density images, which adhere to a principle of conservation of intensity. Based on this principle, optic flow equations are developed based on Gaussian derivatives as differentialoperators. The multiscale optic flow method is applied to cardiac tagged MRI. A quantitative analysis is presented comparing the reconstructed dense velocity field with a directly acquired velocity field usingthe velocity-encoded (VEC) MRI.
Original languageEnglish
Title of host publicationMedical image computing and computer-assisted intervention - MICCAI 2003 : 6th international conference, Montreal, Canada, November 15-18, 2003; proceedings. Part 1
EditorsR.E. Ellis
Place of PublicationBerlin
PublisherSpringer
Pages483-490
Number of pages8
ISBN (Print)3-540-20462-8
DOIs
Publication statusPublished - 2003

Publication series

NameLecture Notes in Computer Science
Volume2878
ISSN (Print)0302-9743

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