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Towards Accurate Spatiotemporal COVID-19 Risk Scores using High Resolution Real-World Mobility Data


Dec 14, 2020
Sirisha Rambhatla, Sepanta Zeighami, Kameron Shahabi, Cyrus Shahabi, Yan Liu


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Provable Online CP/PARAFAC Decomposition of a Structured Tensor via Dictionary Learning


Jun 30, 2020
Sirisha Rambhatla, Xingguo Li, Jarvis Haupt

* 36 pages 

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Interpretable Deepfake Detection via Dynamic Prototypes


Jun 28, 2020
Loc Trinh, Michael Tsang, Sirisha Rambhatla, Yan Liu


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How does this interaction affect me? Interpretable attribution for feature interactions


Jun 19, 2020
Michael Tsang, Sirisha Rambhatla, Yan Liu


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Physics-aware Spatiotemporal Modules with Auxiliary Tasks for Meta-Learning


Jun 15, 2020
Sungyong Seo, Chuizheng Meng, Sirisha Rambhatla, Yan Liu


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Coronavirus on Social Media: Analyzing Misinformation in Twitter Conversations


Apr 21, 2020
Karishma Sharma, Sungyong Seo, Chuizheng Meng, Sirisha Rambhatla, Aastha Dua, Yan Liu


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NOODL: Provable Online Dictionary Learning and Sparse Coding


Mar 15, 2019
Sirisha Rambhatla, Xingguo Li, Jarvis Haupt

* Published as a conference paper at the International Conference on Learning Representations (ICLR) 2019; 42 Pages with appendix 

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TensorMap: Lidar-Based Topological Mapping and Localization via Tensor Decompositions


Feb 26, 2019
Sirisha Rambhatla, Nikos D. Sidiropoulos, Jarvis Haupt

* 2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP) 
* 5 pages; Index Terms - Topological maps, Lidar, Localization of Autonomous Vehicles, Orthogonal Tucker Decomposition, and Scan-matching 

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Target-based Hyperspectral Demixing via Generalized Robust PCA


Feb 26, 2019
Sirisha Rambhatla, Xingguo Li, Jarvis Haupt

* 2017 51st Asilomar Conference on Signals, Systems, and Computers 
* 5 Pages; Index Terms - Hyperspectral imaging, Robust-PCA, Dictionary Sparse, Matrix Demixing, Target Localization, and Remote Sensing. arXiv admin note: substantial text overlap with arXiv:1902.10238 

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A Dictionary-Based Generalization of Robust PCA Part II: Applications to Hyperspectral Demixing


Feb 26, 2019
Sirisha Rambhatla, Xingguo Li, Jineng Ren, Jarvis Haupt

* 13 pages; Index Terms - Hyperspectral imaging, Robust-PCA, Dictionary Sparse, Matrix Demixing, Target Localization, and Remote Sensing 

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A Dictionary-Based Generalization of Robust PCA Part I: Study of Theoretical Properties


Feb 21, 2019
Sirisha Rambhatla, Xingguo Li, Jineng Ren, Jarvis Haupt

* 13 Pages; Index terms - Low-rank, Matrix Demixing, Dictionary Sparse, Target Localization, and Robust PCA 

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A Dictionary Based Generalization of Robust PCA


Feb 21, 2019
Sirisha Rambhatla, Xingguo Li, Jarvis Haupt

* 2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP) 
* 5 pages; Index terms -- Low-rank, Dictionary sparse, Matrix Demixing, and Generalized Robust PCA 

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Semi-blind Source Separation via Sparse Representations and Online Dictionary Learning


Jan 25, 2015
Sirisha Rambhatla, Jarvis D. Haupt

* 5 pages, In Proceedings of the 47th Asilomar Conference on Signals Systems and Computers, 2013 

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