Title :
Group-wise consistent sulcal fundi segmentation based on DMRI-derived ODF features
Author :
Tuo Zhang ; Hanbo Chen ; Xi Jiang ; Bao Ge ; Lei Guo ; Tianming Liu
Author_Institution :
Sch. of Autom., Northwestern Polytech. Univ., Xi´an, China
Abstract :
Recently, it has been shown that structural connectivity patterns derived from diffusion MRI (dMRI) can be used for cortical parcellation and segmentation. However, most previous methods were based on diffusion tractography, which is limited in depicting local profiles, e.g., in regions beneath the cortical sulcal fundi. Instead, in this paper, we propose to derive effective features directly from orientation distribution functions (ODFs), which contain rich information about local fiber connection profiles like crossings. Based on these ODFs features, we adopted a multiview spectral clustering method to group-wisely and consistently parcellate the cortical sulcal fundi. Experimental results on the central sulcal fundi are promising, which is further validated by resting state fMRI data mapping.
Keywords :
biodiffusion; biomedical MRI; brain; image segmentation; medical image processing; DMRI-derived ODF features; cortical parcellation; cortical sulcal fundi; crossings; dMRI; diffusion MRI; diffusion tractography; fiber connection profiles; group-wise consistent sulcal fundi segmentation; local profiles; multiview spectral clustering method; orientation distribution functions; resting state fMRI data mapping; structural connectivity patterns; Clustering methods; Correlation; Feature extraction; Image color analysis; Imaging; Optical fiber networks; Shape; ODF; Sulcal fundus; segmentation;
Conference_Titel :
Biomedical Imaging (ISBI), 2015 IEEE 12th International Symposium on
Conference_Location :
New York, NY
DOI :
10.1109/ISBI.2015.7163954