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pro vyhledávání: '"Dykstra A"'
Convergence of the block iterative method in image reconstruction for positron emission tomography (PET) requires careful control of relaxation parameters, which is a challenging task. The automatic determination of relaxation parameters for list-mod
Externí odkaz:
http://arxiv.org/abs/2403.00394
Autor:
Wang, Xiaozhou, Pong, Ting Kei
Given closed convex sets $C_i$, $i=1,\ldots,\ell$, and some nonzero linear maps $A_i$, $i = 1,\ldots,\ell$, of suitable dimensions, the multi-set split feasibility problem aims at finding a point in $\bigcap_{i=1}^\ell A_i^{-1}C_i$ based on computing
Externí odkaz:
http://arxiv.org/abs/2301.03026
Akademický článek
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Autor:
Tazi, Faiza1 (AUTHOR) faiza.tazi@du.edu, Dykstra, Josiah2 (AUTHOR) josiah@designersecurity.com, Rajivan, Prashanth3 (AUTHOR) prajivan@uw.edu, Chalil Madathil, Kapil4 (AUTHOR) kmadath@clemson.edu, Hughart, Jiovanne5 (AUTHOR) abizwhiz@icloud.com, McElligott, James6 (AUTHOR) mcellig@musc.edu, Votipka, Daniel7 (AUTHOR) dvotipka@cs.tufts.edu, Das, Sanchari8 (AUTHOR) Sanchari.Das@du.edu
Publikováno v:
Communications of the ACM. Sep2024, Vol. 67 Issue 9, p27-30. 4p.
Autor:
XIAOZHOU WANG1 xzhou.wang@connect.polyu.hk, TING KEI PONG1 tk.pong@polyu.edu.hk
Publikováno v:
SIAM Journal on Optimization. 2024, Vol. 34 Issue 1, p563-589. 27p.
Autor:
Pang, C. H. Jeffrey
Consider the setting where each vertex of a graph has a function, and communications can only occur between vertices connected by an edge. We wish to minimize the sum of these functions. For the case when each function is the sum of a strongly convex
Externí odkaz:
http://arxiv.org/abs/1804.11223
Autor:
Pang, C. H. Jeffrey
We show that Dykstra's splitting for projecting onto the intersection of convex sets can be extended to minimize the sum of convex functions and a regularizing quadratic. We give conditions for which convergence to the primal minimizer holds so that
Externí odkaz:
http://arxiv.org/abs/1709.09499
Recently, covariance descriptors have received much attention as powerful representations of set of points. In this research, we present a new metric learning algorithm for covariance descriptors based on the Dykstra algorithm, in which the current s
Externí odkaz:
http://arxiv.org/abs/1601.01422
Autor:
Epstein, David
Publikováno v:
Sports Illustrated. 3/12/2012, Vol. 116 Issue 11, p50-55. 6p. 4 Color Photographs.
Publikováno v:
In Journal of Petroleum Science and Engineering August 2018 167:682-691