multiplicative updates
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2021 ◽  
Vol 42 (2) ◽  
pp. 730-752
Author(s):  
Valentin Leplat ◽  
Nicolas Gillis ◽  
Jérôme Idier


2019 ◽  
Vol 14 (6) ◽  
pp. 1339-1352 ◽  
Author(s):  
Pedro J. Villasana T. ◽  
Stanislaw Gorlow ◽  
Arvind T. Hariraman


2018 ◽  
Vol 146 ◽  
pp. 79-91 ◽  
Author(s):  
Igor Fedorov ◽  
Alican Nalci ◽  
Ritwik Giri ◽  
Bhaskar D. Rao ◽  
Truong Q. Nguyen ◽  
...  




2017 ◽  
Author(s):  
Abbas Kazemipour ◽  
Behtash Babadi ◽  
Min Wu ◽  
Kaspar Podgorski ◽  
Shaul Druckmann

AbstractWe consider the problem of optimizing general convex objective functions with nonnegativity constraints. Using the Karush-Kuhn-Tucker (KKT) conditions for the nonnegativity constraints we will derive fast multiplicative update rules for several problems of interest in signal processing, including non-negative deconvolution, point-process smoothing, ML estimation for Poisson Observations, nonnegative least squares and nonnegative matrix factorization (NMF). Our algorithm can also account for temporal and spatial structure and regularization. We will analyze the performance of our algorithm on simultaneously recorded neuronal calcium imaging and electrophysiology data.



Author(s):  
Abbas Kazemipour ◽  
Behtash Babadi ◽  
Min Wu ◽  
Kaspar Podgorski ◽  
Shaul Druckmann


Author(s):  
Ye Zhou ◽  
Zhaoshui He ◽  
Shifeng Huang ◽  
Jiasui Liu ◽  
Wenwu Jiang ◽  
...  


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