Midbrain volume segmentation using active shape models and LBPs

Jimena Olveres; Rodrigo Nava; Boris Escalante-Ramírez; Gabriel Cristóbal; Carla María García-Moreno

doi:10.1117/12.2024396

26 September 2013 Midbrain volume segmentation using active shape models and LBPs

Jimena Olveres, Rodrigo Nava, Boris Escalante-Ramírez, Gabriel Cristóbal, Carla María García-Moreno

Proceedings Volume 8856, Applications of Digital Image Processing XXXVI; 88561F (2013) https://doi.org/10.1117/12.2024396
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

In recent years, the use of Magnetic Resonance Imaging (MRI) to detect different brain structures such as midbrain, white matter, gray matter, corpus callosum, and cerebellum has increased. This fact together with the evidence that midbrain is associated with Parkinson’s disease has led researchers to consider midbrain segmentation as an important issue. Nowadays, Active Shape Models (ASM) are widely used in literature for organ segmentation where the shape is an important discriminant feature. Nevertheless, this approach is based on the assumption that objects of interest are usually located on strong edges. Such a limitation may lead to a final shape far from the actual shape model. This paper proposes a novel method based on the combined use of ASM and Local Binary Patterns for segmenting midbrain. Furthermore, we analyzed several LBP methods and evaluated their performance. The joint-model considers both global and local statistics to improve final adjustments. The results showed that our proposal performs substantially better than the ASM algorithm and provides better segmentation measurements.

Citation Download Citation

Jimena Olveres, Rodrigo Nava, Boris Escalante-Ramírez, Gabriel Cristóbal, and Carla María García-Moreno "Midbrain volume segmentation using active shape models and LBPs", Proc. SPIE 8856, Applications of Digital Image Processing XXXVI, 88561F (26 September 2013); https://doi.org/10.1117/12.2024396

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