Myocardial motion estimation using elastic mapping technique

Kang-Ping Lin; Te-Shin Chen

doi:10.1117/12.233282

27 February 1996 Myocardial motion estimation using elastic mapping technique

Kang-Ping Lin, Te-Shin Chen

Proceedings Volume 2727, Visual Communications and Image Processing '96; (1996) https://doi.org/10.1117/12.233282
Event: Visual Communications and Image Processing '96, 1996, Orlando, FL, United States

Abstract

This paper presents a self-organizing method for estimating a transformation that can elastically map one subject's MR cardiac image to the same slice cut image acquired at different heart beat sequences. One slice image called input image is elastically deformed to match the other slice image called the reference image. Both images are linearly divided into several smaller areas of equal size. A local correspondence is used to estimate the best matching position by moving individual areas of the input image to the reference image within a search neighborhood. Based on local correspondence, coarse displacement vectors for each area are determined by the position difference between the original and the new area centers. The estimated vectors provide a complete transformation that matches the entire input image to the reference image. As the process is repeated, a better transformation is obtained that improves the matching. This algorithm has been tested on simulations of 2D deformed images and been found to be successful for MR cardiac images.

Citation Download Citation

Kang-Ping Lin and Te-Shin Chen "Myocardial motion estimation using elastic mapping technique", Proc. SPIE 2727, Visual Communications and Image Processing '96, (27 February 1996); https://doi.org/10.1117/12.233282

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