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https://doi.org/10.1007/s10278-009-9245-1

has been cited by the following article:

• TITLE: Segmentation Method of Breast Masses on Ultrasonographic Images Using Level Set Method Based on Statistical Model

  AUTHORS: Akiyoshi Hizukuri, Ryohei Nakayama, Hiroshi Ashiba

  KEYWORDS: Segmentation, Level Set, Breast Mass, Ultrasonographic Image

  JOURNAL NAME: Journal of Biomedical Science and Engineering, Vol.10 No.4, April 30, 2017

  ABSTRACT: It is important to segment mass region accurately in a computer-aided diagnosis (CADx) scheme for evaluating the likelihood of malignancy of the mass on ultrasonographic breast image. The purpose of this study was to develop a novel level set method for segmentation of breast mass on ultrasonographic image. Our database consisted of 151 ultrasonographic images with 70 malignant and 81 benign breast masses. In a novel level set method, an energy function was defined with region-based, edge-based, and regularizing terms. The region-based term analyzed global information, whereas the edge-based term analyzed local information. The regularizing term also controlled the length of the boundary curve. The region of breast mass was segmented so that the energy based on those terms was minimized. With our proposed method, true positive (TP) ratio, false positive (FP) ratio, jaccard similarity (JS), and Dice similarity coefficient (DSC) were 92.2%, 9.1%, 84.2%, and 91.3%, respectively. These results tended to be substantially higher than those with two conventional segmentation methods. Our proposed method based on the novel level set method was shown to segment mass region accurately on ultrasonographic breast image.