activity
20142023
most citedCloud K-SVD: A Collaborative Dictionary Learning Algorithm for Big, Distributed Data

97 citations · 153 across the 5 of their papers we have counts for

collaborators

5 papers

eess.SP2023★ 1 cited

Dynamic Subspace Estimation with Grassmannian Geodesics

Cameron J. Blocker, Haroon Raja, Jeffrey A. Fessler +1

Dynamic subspace estimation, or subspace tracking, is a fundamental problem in statistical signal processing and machine learning. This paper considers a geodesic model for time-va…

cs.LG2020★ 17 cited

Scaling-up Distributed Processing of Data Streams for Machine Learning

Matthew Nokleby, Haroon Raja, Waheed U. Bajwa

Emerging applications of machine learning in numerous areas involve continuous gathering of and learning from streams of data. Real-time incorporation of streaming data into the le…

cs.LG2020★ 9 cited

Distributed Stochastic Algorithms for High-rate Streaming Principal Component Analysis

Haroon Raja, Waheed U. Bajwa

This paper considers the problem of estimating the principal eigenvector of a covariance matrix from independent and identically distributed data samples in streaming settings. The…

cs.LG2019★ 29 cited

Tensor Regression Using Low-rank and Sparse Tucker Decompositions

Talal Ahmed, Haroon Raja, Waheed U. Bajwa

This paper studies a tensor-structured linear regression model with a scalar response variable and tensor-structured predictors, such that the regression parameters form a tensor o…

cs.LG2014★ 97 cited

Cloud K-SVD: A Collaborative Dictionary Learning Algorithm for Big, Distributed Data

Haroon Raja, Waheed U. Bajwa

This paper studies the problem of data-adaptive representations for big, distributed data. It is assumed that a number of geographically-distributed, interconnected sites have mass…