WANG Xing-Ce, ZHANG Mei-Xia, WU Zhong-Ke, ZHOU Ming-Quan, CAO Rong-Fei, TIAN Yun, LIU Xin-Yu. Level Coarse Brain Vessel Segmentation Based on Global LBF Model[J]. Editorial Office of Optics and Precision Engineering, 2013,21(12): 3283-3297
WANG Xing-Ce, ZHANG Mei-Xia, WU Zhong-Ke, ZHOU Ming-Quan, CAO Rong-Fei, TIAN Yun, LIU Xin-Yu. Level Coarse Brain Vessel Segmentation Based on Global LBF Model[J]. Editorial Office of Optics and Precision Engineering, 2013,21(12): 3283-3297 DOI: 10.3788/OPE.20132112.3283.
Level Coarse Brain Vessel Segmentation Based on Global LBF Model
To solve the problem that human brain vessels are difficult to be segmented
a level coarse brain vessel segmentation based on the global Local Binary Fitting(LBF) model was presented in the paper. First
the Directional Weight Median(DWM) filtering and the anisotropic diffusion model were used to reduce the noise and to enhance the vessel edges of brain images. Then
the Local Intensity Gradient Maximum(LIGM) algorithm was implemented based on a multi-scale space. The information of intensity and gradient was used to get the vessel candidate set and remove the influence of gray matter in the brain. At the same time
the improved global LBF level set model was used to segment the Maximum Intensity Projection(MIP) image. The vessel voxels were extracted with the conformation information. The results of these two steps were fused together to get the minimal covering set of the brain vessel. The experimental results show that all most the vessel voxels directly segmented by the double Gauss model can be reserved and most uncorrelated voxels can be removed. This research is based on the Time of Flight Magnetic Resonance Angiography(TOF MRA) and it is easy to expand to the similar system.
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