Karthik Devarajan

Publication Activity (10 Years)

Years Active: 2008-2021
Publications (10 Years): 6

Top Topics

Probabilistic Latent Semantic Indexing

Negative Matrix Factorization

Dimension Reduction

Principal Component Analysis

Top Venues

Publications

Lauren Spirko-Burns, Karthik Devarajan
Supervised Dimension Reduction for Large-Scale "Omics" Data With Censored Survival Outcomes Under Possible Non-Proportional Hazards. IEEE ACM Trans. Comput. Biol. Bioinform. 18 (5) (2021)
Karthik Devarajan
A statistical framework for non-negative matrix factorization based on generalized dual divergence. Neural Networks 140 (2021)
Majid Asadi, Karthik Devarajan, Nader Ebrahimi, Ehsan S. Soofi, Lauren Spirko-Burns
Probability Link Models with Symmetric Information Divergence. CoRR (2020)
Lauren Spirko-Burns, Karthik Devarajan
Unified methods for feature selection in large-scale genomic studies with censored survival outcomes. Bioinform. 36 (11) (2020)
Karthik Devarajan
Non-negative matrix factorization based on generalized dual divergence. CoRR (2019)
Karthik Devarajan, Vincent C. K. Cheung
A Quasi-Likelihood Approach to Nonnegative Matrix Factorization. Neural Comput. 28 (8) (2016)
Karthik Devarajan, Guoli Wang, Nader Ebrahimi
A unified statistical approach to non-negative matrix factorization and probabilistic latent semantic indexing. Mach. Learn. 99 (1) (2015)
Karthik Devarajan, Nader Ebrahimi, Ehsan S. Soofi
A hybrid algorithm for non-negative matrix factorization based on symmetric information divergence. BIBM (2015)
Vincent C. K. Cheung, Karthik Devarajan, Giacomo Severini, Andrea Turolla, Paolo Bonato
Decomposing time series data by a non-negative matrix factorization algorithm with temporally constrained coefficients. EMBC (2015)
Karthik Devarajan, Vincent C. K. Cheung
On Nonnegative Matrix Factorization Algorithms for Signal-Dependent Noise with Application to Electromyography Data. Neural Comput. 26 (6) (2014)
Mengjun Wang, Timothy M. Block, Jorge Marrero, Adrian M. Di Bisceglie, Karthik Devarajan, Anand Mehta
Improved biomarker performance for the detection of hepatocellular carcinoma by inclusion of clinical parameters. BIBM (2012)
Karthik Devarajan, Nader Ebrahimi
A semi-parametric generalization of the Cox proportional hazards regression model: Inference and applications. Comput. Stat. Data Anal. 55 (1) (2011)
Karthik Devarajan, Yan Zhou, Neeraj Chachra, Nader Ebrahimi
A Supervised Approach for Predicting Patient Survival with Gene Expression Data. BIBE (2010)
Karthik Devarajan
Nonnegative Matrix Factorization: An Analytical and Interpretive Tool in Computational Biology. PLoS Comput. Biol. 4 (7) (2008)