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Active pooling design in group testing based on Bayesian posterior prediction


Aug 19, 2020
Ayaka Sakata


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Bayesian inference of infected patients in group testing with prevalence estimation


Apr 28, 2020
Ayaka Sakata

* Submitted to JPSJ 

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Cross validation in sparse linear regression with piecewise continuous nonconvex penalties and its acceleration


Feb 27, 2019
Tomoyuki Obuchi, Ayaka Sakata

* 30 pages, 17 figures 

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Perfect reconstruction of sparse signals with piecewise continuous nonconvex penalties and nonconvexity control


Feb 20, 2019
Ayaka Sakata, Tomoyuki Obuchi

* 22 pages, 14 figures 

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Estimator of Prediction Error Based on Approximate Message Passing for Penalized Linear Regression


May 08, 2018
Ayaka Sakata


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Approximate message passing for nonconvex sparse regularization with stability and asymptotic analysis


Feb 19, 2018
Ayaka Sakata, Yingying Xu


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Phase transitions and sample complexity in Bayes-optimal matrix factorization


Mar 21, 2016
Yoshiyuki Kabashima, Florent Krzakala, Marc Mézard, Ayaka Sakata, Lenka Zdeborová

* IEEE Transactions on Information Theory (Volume:62 , Issue: 7, Pages: 4228 - 4265) 2016 
* 50 pages, 10 figures 

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Sample Complexity of Bayesian Optimal Dictionary Learning


Feb 05, 2014
Ayaka Sakata, Yoshiyuki Kabashima

* 5pages, 5figures 

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Statistical Mechanics of Dictionary Learning


Jan 25, 2013
Ayaka Sakata, Yoshiyuki Kabashima

* 6 pages, 4 figures 

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