BREAST ULTRASOUND IMAGE SEGMENTATION BASED ON PARTICLE SWARM OPTIMIZATION AND THE CHARACTERISTICS OF BREAST TISSUE

Yanhui Guo (), H. D. Cheng () and Yingtao Zhang ()
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Yanhui Guo: Department of Computer Science, Utah State University, Logan, UT 84322, USA
H. D. Cheng: Department of Computer Science, Utah State University, Logan, UT 84322, USA;
Yingtao Zhang: School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

New Mathematics and Natural Computation (NMNC), 2011, vol. 07, issue 01, 135-154

Abstract: Breast cancer occurs in over 8% of women during their lifetime, and is the leading cause of death among women. Sonography is superior to mammography because it has the ability to detect focal abnormalities in the dense breasts and has no side-effect. In this paper, we propose a novel automatic segmentation algorithm based on the characteristics of breast tissue and eliminating particle swarm optimization (EPSO) clustering analysis. The characteristics of mammary gland in breast ultrasound (BUS) images are analyzed and utilized, and a method based on step-down threshold technique is employed to locate the mammary gland area. The EPSO clustering algorithm utilizes the idea of "survival of the superior and weeding out the inferior". The experimental results demonstrate that the proposed approach can segment BUS image with high accuracy and low computational time. The EPSO clustering method reduces the computational time by 32.75% compared with the standard PSO clustering algorithm. The proposed approach would find wide applications in automatic lesion classification and computer aided diagnosis (CAD) systems of breast cancer.

Keywords: Image segmentation; speckle reduction; 2D homogeneity histogram; eliminating PSO; breast ultrasound image; breast cancer; computer aided diagnosis (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1142/S1793005711001846

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