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LE-based methods have been shown to be effective for target detection in HSI. However, they can be slow due to the costly graph construction and eigenvector computation steps. In this paper, we proposed including a step of pre-segmenting an HSI into superpixels prior to dimensionality reduction. Carrying out experiments on an HIS from the SHARE 2012 data campaign, we show that incorporating superpixels...
We consider the use of graph cuts technique to efficiently segment the full tissue volume of the entire heart or important parts of it such as ventricles in Magnetic Resonance Imaging (MRI) scans for different species. With the segmented 3-D volume of the heart, simulations of electrical waves propagating through the tissue can be done. The modeled wave results can then be compared directly to the...
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