TY - GEN
T1 - Maximum likelihood motion estimation in 3d echocardiography through non-rigid registration in spherical coordinates
AU - Myronenko, Andriy
AU - Song, Xubo
AU - Sahn, David J.
PY - 2009
Y1 - 2009
N2 - Automated motion tracking of the myocardium from 3D echocardiography provides insight into heart's architecture and function. We present a method for 3D cardiac motion tracking using non-rigid image registration. Our contribution is two-fold. We introduce a new similarity measure derived from a maximum likelihood perspective taking into account physical properties of ultrasound image acquisition and formation. Second, we use envelope-detected 3D echo images in the raw spherical coordinates format, which preserves speckle statistics and represents a compromise between signal detail and data complexity. We derive mechanical measures such as strain and twist, and validate using sonomicrometry in open-chest piglets. The results demonstrate the accuracy and feasibility of our method for studying cardiac motion.
AB - Automated motion tracking of the myocardium from 3D echocardiography provides insight into heart's architecture and function. We present a method for 3D cardiac motion tracking using non-rigid image registration. Our contribution is two-fold. We introduce a new similarity measure derived from a maximum likelihood perspective taking into account physical properties of ultrasound image acquisition and formation. Second, we use envelope-detected 3D echo images in the raw spherical coordinates format, which preserves speckle statistics and represents a compromise between signal detail and data complexity. We derive mechanical measures such as strain and twist, and validate using sonomicrometry in open-chest piglets. The results demonstrate the accuracy and feasibility of our method for studying cardiac motion.
UR - http://www.scopus.com/inward/record.url?scp=68849120630&partnerID=8YFLogxK
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U2 - 10.1007/978-3-642-01932-6_46
DO - 10.1007/978-3-642-01932-6_46
M3 - Conference contribution
AN - SCOPUS:68849120630
SN - 3642019315
SN - 9783642019319
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 427
EP - 436
BT - Functional Imaging and Modeling of the Heart - 5th International Conference, FIMH 2009, Proceedings
T2 - 5th International Conference on Functional Imaging and Modeling of the Heart, FIMH 2009
Y2 - 3 June 2009 through 5 June 2009
ER -