Results 41 to 50 of about 86,530 (254)

Relay fusion frames for Hilbert spaces

open access: yesJournal of Inequalities and Applications, 2019
A new notion of frames, called the relay fusion frames, for Hilbert spaces has been introduced by the authors. It provides a mathematical framework for applications that require the transmission of signals over long distances or need to expand the ...
Guoqing Hong, Pengtong Li
doaj   +1 more source

3D Object Detection Using Multiple-Frame Proposal Features Fusion

open access: yesSensors, 2023
Object detection is important in many applications, such as autonomous driving. While 2D images lack depth information and are sensitive to environmental conditions, 3D point clouds can provide accurate depth information and a more descriptive ...
Minyuan Huang, Henry Leung, Ming Hou
doaj   +1 more source

Video Super-Resolution Network with Gated High-Low Resolution Frames

open access: yesApplied Sciences, 2023
In scenes with large inter-frame motion variations, distant targets, and blurred targets, the lack of inter-frame alignment can greatly affect the effectiveness of subsequent video super-resolution reconstruction.
Ning Ouyang, Zhishan Ou, Leping Lin
doaj   +1 more source

Tight p -fusion frames

open access: yesApplied and Computational Harmonic Analysis, 2013
Fusion frames enable signal decompositions into weighted linear subspace components. For positive integers p, we introduce p-fusion frames, a sharpening of the notion of fusion frames. Tight p-fusion frames are closely related to the classical notions of designs and cubature formulas in Grassmann spaces and are analyzed with methods from harmonic ...
Bachoc, Christine, Ehler, Martin
openaire   +4 more sources

A note on perturbations of fusion frames [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2018
In this work, we consider some relationships between a closed range operator $T$ and a fusion frame $\mathcal{W}=(W_i,w_i)_{i\in I}$ for a Hilbert space $\mathcal{H}$ that provides that the sequence $(\overline{T(W_i)},v_i)_{i\in I}$ is a fusion frame sequence for $\mathcal{H}$, if we consider a suitable family of weights $\{v_i\}_{i\in I}$.
Calderón, Pablo Luis   +1 more
openaire   +5 more sources

Reconstruction Method for Binary Defocusing Technique Based on Complementary Decoding With Dual Projectors

open access: yesIEEE Access, 2021
Real-time three-dimensional reconstruction is increasingly important in many fields. There are mainly two ways to improve real-time performance: increasing hardware rate and reducing captured frames count.
Xuexing Li, Wenhui Zhang
doaj   +1 more source

Equichordal Tight Fusion Frames

open access: yesIndian Journal of Pure and Applied Mathematics, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mohammadpour, Mozhgan   +2 more
openaire   +1 more source

Compare and contrast between duals of fusion and discrete frames [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2017
Fusion frames are valuable generalizations of discrete frames. Most concepts of fusion frames are shared by discrete frames. However, the dual setting is so complicated.
Elnaz Osgooei, Ali akbar Arefijammal
doaj  

On the relation of the frame-related operators of fusion frame systems

open access: yesSampling Theory, Signal Processing, and Data Analysis, 2023
AbstractFrames have been investigated frequently over the last few decades due to their valuable properties, which are desirable for various applications as well as interesting for theory. Some applications additionally require distributed processing techniques, which naturally leads to the concept of fusion frames and fusion frame systems.
Lukas Köhldorfer, Peter Balazs
openaire   +3 more sources

Controlled K−g−Fusion Frames in Hilbert C∗−Modules

open access: yesInternational Journal of Analysis and Applications, 2022
Controlled frames have been the subject of interest because of its ability to improve the numerical efficiency of iterative algorithms for inverting the frame operator.
Mohamed Rossafi, Fakhr-dine Nhari
doaj   +1 more source

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