Segmentation of the common carotid artery with active shape models from 3D ultrasound images

Xin Yang; Jiaoying Jin; Wanji He; Ming Yuchi; Mingyue Ding

doi:10.1117/12.911628

23 February 2012 Segmentation of the common carotid artery with active shape models from 3D ultrasound images

Xin Yang, Jiaoying Jin, Wanji He, Ming Yuchi, Mingyue Ding

Author Affiliations +

Proceedings Volume 8315, Medical Imaging 2012: Computer-Aided Diagnosis; 83152H (2012) https://doi.org/10.1117/12.911628
Event: SPIE Medical Imaging, 2012, San Diego, California, United States

Abstract

Carotid atherosclerosis is a major cause of stroke, a leading cause of death and disability. In this paper, we develop and evaluate a new segmentation method for outlining both lumen and adventitia (inner and outer walls) of common carotid artery (CCA) from three-dimensional ultrasound (3D US) images for carotid atherosclerosis diagnosis and evaluation. The data set consists of sixty-eight, 17× 2× 2, 3D US volume data acquired from the left and right carotid arteries of seventeen patients (eight treated with 80mg atorvastain and nine with placebo), who had carotid stenosis of 60% or more, at baseline and after three months of treatment. We investigate the use of Active Shape Models (ASMs) to segment CCA inner and outer walls after statin therapy. The proposed method was evaluated with respect to expert manually outlined boundaries as a surrogate for ground truth. For the lumen and adventitia segmentations, respectively, the algorithm yielded Dice Similarity Coefficient (DSC) of 93.6%± 2.6%, 91.8%± 3.5%, mean absolute distances (MAD) of 0.28± 0.17mm and 0.34 ± 0.19mm, maximum absolute distances (MAXD) of 0.87 ± 0.37mm and 0.74 ± 0.49mm. The proposed algorithm took 4.4 ± 0.6min to segment a single 3D US images, compared to 11.7±1.2min for manual segmentation. Therefore, the method would promote the translation of carotid 3D US to clinical care for the fast, safety and economical monitoring of the atherosclerotic disease progression and regression during therapy.

Citation Download Citation

Xin Yang, Jiaoying Jin, Wanji He, Ming Yuchi, and Mingyue Ding "Segmentation of the common carotid artery with active shape models from 3D ultrasound images", Proc. SPIE 8315, Medical Imaging 2012: Computer-Aided Diagnosis, 83152H (23 February 2012); https://doi.org/10.1117/12.911628

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