Incorporating temporal information into active contour method for detecting heart wall boundary from echocardiographic image sequence

Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society
Wen FangShankar M Krishnan

Abstract

A new method which incorporates temporal information into the active contour function is proposed to solve the dropout and speckle noise problems encountered when detecting the inner heart wall boundary from echocardiographic image sequence. The ventricular boundary is considered to be composed of strong and weak segments. The weak segments are interfered by image degradations in ultrasound, and they are too weak to constrain the curve evolution. Temporal information is incorporated into the external energy of the active contour function to recover the missing boundary and strengthen the weak segments. Experimental results demonstrate the advantages of the proposed method for the intended task.

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Citations

Mar 5, 2011·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·Francisco J GaldamesClaudia Coll
Apr 27, 2011·IEEE Transactions on Bio-medical Engineering·Sofia G AntunesEduardo Castela
Jan 21, 2012·IEEE Transactions on Medical Imaging·Chaojie ChenYaqing Chen

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