IEEE Trans Image Process - Robust carotid artery recognition in longitudinal B-mode ultrasound images.

Tópicos

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Resumo

Automatic segmentation of the arterial lumen from ultrasound images is an important task in clinical diagnosis. Carotid artery recognition, the first task in lumen segmentation, should be performed in a fully automated, fast, and reliable way to further facilitate the low-level task of arterial delineation. In this paper, a user-independent, real-time algorithm is introduced for carotid artery localization in longitudinal B-mode ultrasound images. The proposed technique acts directly on the raw image, and exploits basic statistics along with anatomical knowledge. The method's evaluation and parameter value optimization were performed on a threefold cross validation basis. In addition, the introduced algorithm was systematically compared with another algorithm for common carotid artery recognition in B-mode scans, separately for multi-frame and single-frame data. The data sets used included 2,149 images from 100 subjects taken from three different institutions and covering a wide range of possible lumen and surrounding tissue representations. Using the optimized values, the carotid artery was recognized in all the processed images in both multi-frame and single-frame data. Thus, the introduced technique will further reinforce automatic segmentation in longitudinal B-mode ultrasound images.

Resumo Limpo

automat segment arteri lumen ultrasound imag import task clinic diagnosi carotid arteri recognit first task lumen segment perform fulli autom fast reliabl way facilit lowlevel task arteri delin paper userindepend realtim algorithm introduc carotid arteri local longitudin bmode ultrasound imag propos techniqu act direct raw imag exploit basic statist along anatom knowledg method evalu paramet valu optim perform threefold cross valid basi addit introduc algorithm systemat compar anoth algorithm common carotid arteri recognit bmode scan separ multifram singlefram data data set use includ imag subject taken three differ institut cover wide rang possibl lumen surround tissu represent use optim valu carotid arteri recogn process imag multifram singlefram data thus introduc techniqu will reinforc automat segment longitudin bmode ultrasound imag

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