Active contour based subthalamic nucleus segmentation on MRI

Kaiqiong Sun; Xuan Shang; Zhen Chen

doi:10.1117/12.832909

30 October 2009 Active contour based subthalamic nucleus segmentation on MRI

Kaiqiong Sun, Xuan Shang, Zhen Chen

Proceedings Volume 7497, MIPPR 2009: Medical Imaging, Parallel Processing of Images, and Optimization Techniques; 74971I (2009) https://doi.org/10.1117/12.832909
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

In this paper, a novel region-based active surface model in a level set framework is proposed for subthalamic nucleus segmentation on MRI. The method is an extension of region based active contour in which the joint prior information of the object shape and the imaging intensity are utilized to drive the surface evolution in a level set formulation for segmentation. The mean surface area calculated from labeled samples is used as prior constraints of the object to segment. This feature and the intensity difference between object and background define a region-based force that drives a set of 3D surfaces towards the optimal segmentation. Specially, the pre-segmentation of visible structure within the region of interest constitutes an important step of subthalamic nucleus segmentation and the result forms confinement for the evolution domain of the surface, which enhances the validity of data term in the model.

Citation Download Citation

Kaiqiong Sun, Xuan Shang, and Zhen Chen "Active contour based subthalamic nucleus segmentation on MRI", Proc. SPIE 7497, MIPPR 2009: Medical Imaging, Parallel Processing of Images, and Optimization Techniques, 74971I (30 October 2009); https://doi.org/10.1117/12.832909

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