Search Results for author: Riyasat Ohib

Found 4 papers, 0 papers with code

Learning low-dimensional dynamics from whole-brain data improves task capture

no code implementations18 May 2023 Eloy Geenjaar, Donghyun Kim, Riyasat Ohib, Marlena Duda, Amrit Kashyap, Sergey Plis, Vince Calhoun

We evaluate our approach on various task-fMRI datasets, including motor, working memory, and relational processing tasks, and demonstrate that it outperforms widely used dimensionality reduction techniques in how well the latent timeseries relates to behavioral sub-tasks, such as left-hand or right-hand tapping.

Dimensionality Reduction

SalientGrads: Sparse Models for Communication Efficient and Data Aware Distributed Federated Training

no code implementations15 Apr 2023 Riyasat Ohib, Bishal Thapaliya, Pratyush Gaggenapalli, Jingyu Liu, Vince Calhoun, Sergey Plis

Federated learning (FL) enables the training of a model leveraging decentralized data in client sites while preserving privacy by not collecting data.

Federated Learning

Explicit Group Sparse Projection with Applications to Deep Learning and NMF

no code implementations9 Dec 2019 Riyasat Ohib, Nicolas Gillis, Niccolò Dalmasso, Sameena Shah, Vamsi K. Potluru, Sergey Plis

Instead, in our approach we set the sparsity level for the whole set explicitly and simultaneously project a group of vectors with the sparsity level of each vector tuned automatically.

Network Pruning

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