Search Results for author: Chris Hinrichs

Found 4 papers, 0 papers with code

Accelerating Permutation Testing in Voxel-wise Analysis through Subspace Tracking: A new plugin for SnPM

no code implementations4 Mar 2017 Felipe Gutierrez-Barragan, Vamsi K. Ithapu, Chris Hinrichs, Camille Maumet, Sterling C. Johnson, Thomas E. Nichols, Vikas Singh, the ADNI

We find that RapidPT achieves its best runtime performance on medium sized datasets ($50 \leq n \leq 200$), with speedups of 1. 5x - 38x (vs. SnPM13) and 20x-1000x (vs. NaivePT).

Low-Rank Matrix Completion

Speeding up Permutation Testing in Neuroimaging

no code implementations NeurIPS 2013 Chris Hinrichs, Vamsi K. Ithapu, Qinyuan Sun, Sterling C. Johnson, Vikas Singh

In this paper, we show that permutation testing in fact amounts to populating the columns of a very large matrix ${\bf P}$.

Matrix Completion Two-sample testing

Q-MKL: Matrix-induced Regularization in Multi-Kernel Learning with Applications to Neuroimaging

no code implementations NeurIPS 2012 Chris Hinrichs, Vikas Singh, Jiming Peng, Sterling Johnson

Multiple Kernel Learning (MKL) generalizes SVMs to the setting where one simultaneously trains a linear classifier and chooses an optimal combination of given base kernels.

Inductive Bias

Epitome driven 3-D Diffusion Tensor image segmentation: on extracting specific structures

no code implementations NeurIPS 2010 Kamiya Motwani, Nagesh Adluru, Chris Hinrichs, Andrew Alexander, Vikas Singh

Now, given such a representation, the problem reduces to segmenting new brain image with additional constraints that enforce consistency between the segmented foreground and the pre-specified histogram over features.

Image Segmentation Semantic Segmentation

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