Search Results for author: Asok Ray

Found 7 papers, 1 papers with code

A Dynamically Controlled Recurrent Neural Network for Modeling Dynamical Systems

no code implementations31 Oct 2019 Yiwei Fu, Samer Saab Jr, Asok Ray, Michael Hauser

This work proposes a novel neural network architecture, called the Dynamically Controlled Recurrent Neural Network (DCRNN), specifically designed to model dynamical systems that are governed by ordinary differential equations (ODEs).

State Space Representations of Deep Neural Networks

no code implementations11 Jun 2018 Michael Hauser, Sean Gunn, Samer Saab Jr, Asok Ray

This paper deals with neural networks as dynamical systems governed by differential or difference equations.

Principles of Riemannian Geometry in Neural Networks

no code implementations NeurIPS 2017 Michael Hauser, Asok Ray

This implies that the network is learning systems of differential equations governing the coordinate transformations that represent the data.

Symbolic Analysis-based Reduced Order Markov Modeling of Time Series Data

no code implementations26 Sep 2017 Devesh K. Jha, Nurali Virani, Jan Reimann, Abhishek Srivastav, Asok Ray

In the second example, the data set is taken from NASA's data repository for prognostics of bearings on rotating shafts.

Bayesian Inference Clustering +2

Kernel Task-Driven Dictionary Learning for Hyperspectral Image Classification

no code implementations10 Feb 2015 Soheil Bahrampour, Nasser M. Nasrabadi, Asok Ray, Kenneth W. Jenkins

In this paper, we propose a supervised dictionary learning algorithm in the kernel domain for hyperspectral image classification.

Classification Dictionary Learning +2

Multimodal Task-Driven Dictionary Learning for Image Classification

1 code implementation4 Feb 2015 Soheil Bahrampour, Nasser M. Nasrabadi, Asok Ray, W. Kenneth Jenkins

Dictionary learning algorithms have been successfully used for both reconstructive and discriminative tasks, where an input signal is represented with a sparse linear combination of dictionary atoms.

Action Recognition Classification +5

Quality-based Multimodal Classification Using Tree-Structured Sparsity

no code implementations CVPR 2014 Soheil Bahrampour, Asok Ray, Nasser M. Nasrabadi, Kenneth W. Jenkins

An accelerated proximal algorithm is proposed to solve the optimization problem, which is an efficient tool for feature-level fusion among either homogeneous or heterogeneous sources of information.

Classification Face Recognition +1

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