Search Results for author: Axel Wismuller

Found 5 papers, 1 papers with code

Leveraging Pre-Images to Discover Nonlinear Relationships in Multivariate Environments

no code implementations1 Jun 2021 M. Ali Vosoughi, Axel Wismuller

We show that our method outperforms state-of-the-art causal discovery methods when the observations are restricted by time and are nonlinearly related.

Causal Discovery Time Series +1

Large-scale Augmented Granger Causality (lsAGC) for Connectivity Analysis in Complex Systems: From Computer Simulations to Functional MRI (fMRI)

no code implementations10 Jan 2021 Axel Wismuller, M. Ali Vosoughi

Our results suggest that lsAGC, by extracting sparse connectivity matrices, may be useful for network analysis in complex systems, and may be applicable to clinical fMRI analysis in future research, such as targeting disease-related classification or regression tasks on clinical data.

Dimensionality Reduction Time Series +1

Large-scale kernelized GRANGER causality to infer topology of directed graphs with applications to brain networks

no code implementations16 Nov 2020 M. Ali Vosoughi, Axel Wismuller

Graph topology inference of network processes with co-evolving and interacting time-series is crucial for network studies.

Time Series Time Series Analysis

MRI Tumor Segmentation with Densely Connected 3D CNN

3 code implementations18 Jan 2018 Lele Chen, Yue Wu, Adora M. DSouza, Anas Z. Abidin, Axel Wismuller, Chenliang Xu

The major difficulty of our segmentation model comes with the fact that the location, structure, and shape of gliomas vary significantly among different patients.

Tumor Segmentation

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