Results 11 to 20 of about 3,008,496 (291)

A Hybrid Gradient-Projection Algorithm for Averaged Mappings in Hilbert Spaces [PDF]

open access: yesJournal of Applied Mathematics, 2012
It is well known that the gradient-projection algorithm (GPA) is very useful in solving constrained convex minimization problems. In this paper, we combine a general iterative method with the gradient-projection algorithm to propose a hybrid gradient ...
Ming Tian, Min-Min Li
doaj   +2 more sources

Video Superresolution Reconstruction Using Iterative Back Projection with Critical-Point Filters Based Image Matching [PDF]

open access: yesAdvances in Multimedia, 2015
To improve the spatial resolution of reconstructed images/videos, this paper proposes a Superresolution (SR) reconstruction algorithm based on iterative back projection.
Yixiong Zhang   +3 more
doaj   +2 more sources

Projection-based reduced order modeling of an iterative scheme for linear thermo-poroelasticity [PDF]

open access: yesResults in Applied Mathematics
This paper explores an iterative approach to solve linear thermo-poroelasticity problems, with its application as a high-fidelity discretization utilizing finite elements during the training of projection-based reduced order models.
Francesco Ballarin   +2 more
doaj   +3 more sources

Projection Algorithms for Variational Inclusions [PDF]

open access: yesJournal of Applied Mathematics, 2012
We present a projection algorithm for finding a solution of a variational inclusion problem in a real Hilbert space. Furthermore, we prove that the proposed iterative algorithm converges strongly to a solution of the variational inclusion problem which ...
Youli Yu   +2 more
doaj   +2 more sources

Recursive/Iterative Unique Projection-Aggregation Decoding of Reed-Muller Codes [PDF]

open access: yes, 2023
We describe recursive unique projection-aggregation (RUPA) decoding and iterative unique projection-aggregation (IUPA) decoding of Reed-Muller (RM) codes, which remove non-unique projections from the recursive projection-aggregation (RPA) and iterative ...
Goossens, Kees; id_orcid   +3 more
core   +1 more source

Recursive/Iterative unique Projection-Aggregation of RM codes [PDF]

open access: yes, 2022
We describe recursive unique projection-aggregation (RUPA) decoding and iterative unique projection-aggregation (IUPA) decoding of Reed-Muller (RM) codes, which remove non-unique projections from the recursive projection-aggregation (RPA) and iterative ...
Goossens, Kees; id_orcid   +3 more
core   +1 more source

Harmony search aided iterative channel estimation, multiuser detection and channel decoding for DS-CDMA [PDF]

open access: yes, 2010
A novel Multiuser Detection (MUD) scheme is proposed for DS-CDMA systems employing the so-called Harmony Search (HS) algorithm, which is a novel meta-heuristic optimisation method.
Rong Zhang   +3 more
core   +2 more sources

AN ECC-BASED ITERATIVE ALGORITHM FOR PHOTOMETRIC INVARIANT PROJECTIVE REGISTRATION [PDF]

open access: yesInternational Journal on Artificial Intelligence Tools, 2009
The ability of an algorithm to accurately estimate the parameters of the geometric transformation which aligns two image profiles even in the presence of photometric distortions can be considered as a basic requirement in many computer vision applications. Projective transformations constitute a general class which includes as special cases the affine,
Georgios D. Evangelidis   +1 more
openaire   +3 more sources

Projected iterative algorithms with application to multicomponent transport

open access: yesLinear Algebra and its Applications, 1997
Projected iterative algorithms for solving constrained symmetric singular linear systems are examined. The symmetry of generalized inverses, the projected standard iterative methods as well as projected conjugate gradient algorithms are investigated.
Ern, Alexandre, Giovangigli, Vincent
openaire   +1 more source

Investigation of smooth basis functions and an approximated projection algorithm for faster tomography

open access: yes, 2000
To decrease the calculation time of iterative tomographic reconstruction, this study proposes and investigates the uses of the "dot-projection" algorithm, which uses smooth basis functions for data representation. Basis functions give an approximation to
Rydesäter, Peter,, Gustavsson, B
core   +5 more sources

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