On the minimax risk of dictionary learning

Web17 de mai. de 2016 · In this regard, the paper provides a general lower bound on the minimax risk and also adapts the proof techniques for equivalent results using sparse and Gaussian coefficient models. The reported results suggest that the sample complexity of dictionary learning for tensor data can be significantly lower than that for unstructured … Web12 de jan. de 2016 · On the Minimax Risk of Dictionary Learning Abstract: We consider the problem of learning a dictionary matrix from a number of observed signals, which …

Minimax Lower Bounds on Dictionary Learning for Tensor Data

WebMinimax lower bounds for Kronecker-structured dictionary learning. Authors: Zahra Shakeri. Dept. of Electrical and Computer Engineering, Rutgers University, Piscataway, New Jersey 08854, United States ... WebIn particular, we analyze the minimax risk of the dictionary learning problem which governs the mean squared error (MSE) performance of any learning scheme, regardless of its computational complexity. fitbit versa 3 thistle gold https://cansysteme.com

Minimax lower bounds for Kronecker-structured dictionary learning ...

WebData Scientist with 2 years of industry experience in requirements gathering, predictive modeling on large data sets, and visualization. Proficient in generating data-driven business insights and ... WebDownload scientific diagram Examples of R( q) and corresponding η(x) leading to different convergence rates from publication: Minimax-Optimal Bounds for Detectors Based on Estimated Prior ... WebOn the Minimax Risk of Dictionary Learning Alexander Jung, Yonina C. Eldar,Fellow, IEEE, and Norbert Görtz,Senior Member, IEEE Abstract—We consider the problem of … can giardia cause bloody stool

Minimax Lower Bounds on Dictionary Learning for Tensor Data

Category:Minimax Lower Bounds for Dictionary Learning from Tensor Data

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On the minimax risk of dictionary learning

On the Minimax Risk of Dictionary Learning

Web1 de mar. de 2024 · This paper provides fundamental limits on the sample complexity of estimating dictionaries for tensor data. The specific focus of this work is on $K$th-order tensor data and the case where the... Web9 de ago. de 2016 · This work first provides a general lower bound on the minimax risk of dictionary learning for such tensor data and then adapts the proof techniques for specialized results in the case of sparse and sparse-Gaussian linear combinations.

On the minimax risk of dictionary learning

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WebWe consider the problem of learning a dictionary matrix from a number of observed signals, which are assumed to be generated via a linear model with a common... Skip to … WebKS dictionary. The risk decreases with larger Nand K; in particular, larger Kfor fixed mpmeans more structure, which simplifies the estimation problem. The results for …

WebWe consider the problem of learning a dictionary matrix from a number of observed signals, which are assumed to be generated via a linear model with a common ... WebWe consider the problem of dictionary learning under the assumption that the observed signals can be represented as sparse linear combinations of the columns of a single …

WebThis paper identifies minimax rates of CSDL in terms of reconstruction risk, providing both lower and upper bounds in a variety of settings. Our results make minimal assumptions, … WebCORE is not-for-profit service delivered by the Open University and Jisc.

WebWe consider the problem of learning a dictionary matrix from a number of observed signals, which are assumed to be generated via a linear model with a common underlying …

WebMinimax reconstruction risk of convolutional sparse dictionary learning. AISTATS, 2024. Yang Y, Gu Q, Zhang Y, Sasaki T, Crivello J, O'Neill R, Gilbert DM, and Ma J. Continuous-trait probabilistic model for comparing multi-species functional genomic data. Cell Systems, 7(2):208-218.e11 ... can giardia come back after treatment in dogsWebMinmax (sometimes Minimax, MM or saddle point) is a decision rule used in artificial intelligence, decision theory, game theory, statistics, and philosophy for minimizing the possible loss for a worst case (maximum loss) scenario.When dealing with gains, it is referred to as "maximin" – to maximize the minimum gain. Originally formulated for … fitbit versa 3 thistle soft goldWebWe consider the problem of learning a dictionary matrix from a number of observed signals, which are assumed to be generated via a linear model with a common underlying … can giardia come back years laterWebThis paper provides fundamental limits on the sample complexity of estimating dictionaries for tensor data. ... Minimax Lower Bounds on Dictionary Learning for Tensor Data ... fitbit versa 3 time wrongWeb17 de fev. de 2014 · Prior theoretical studies of dictionary learning have either focused on existing algorithms for non-KS dictionaries [5,[16][17][18][19][20][21] or lower bounds on … fitbit versa 3 stuck on download app screenhttp://www.inspirelab.us/wp-content/uploads/2024/07/ShakeriSarwateEtAl.BookChInfoTh21-Preprint.pdf fitbit versa 3 the sourceWeb30 de jan. de 2024 · minimax risk of the KS dictionary learning problem for the. case of general coefficient distributions. Theorem 1. Consider a KS dictionary learning problem with. fitbit versa 3 warranty australia