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Subspace Complexity Reduction in Direction-of-Arrival Estimation via the RASA Algorithm [PDF]

open access: yesSensors
The complexity and scale of contemporary datasets are increasing, making the need for reliable and effective subspace processing more pressing. In array signal processing, the quality of the projection matrix and the structure of the noise subspace have ...
Belan Bapir-Bakr   +4 more
doaj   +2 more sources

Bathymetric-Based Band Selection Method for Hyperspectral Underwater Target Detection

open access: yesRemote Sensing, 2021
Band selection has imposed great impacts on hyperspectral image processing in recent years. Unfortunately, few existing methods are proposed for hyperspectral underwater target detection (HUTD).
Jiahao Qi   +6 more
doaj   +1 more source

The Causal Interaction between Complex Subsystems

open access: yesEntropy, 2021
Information flow provides a natural measure for the causal interaction between dynamical events. This study extends our previous rigorous formalism of componentwise information flow to the bulk information flow between two complex subsystems of a large ...
X. San Liang
doaj   +1 more source

On euclidean manifolds being a subspace of the space of probability measures with finite supports to a certain infinite compact set of dimension zero

open access: yesВестник Самарского университета: Естественнонаучная серия, 2023
In this short communication we prove that the subspace Pn,n−1(X)of all probability measures P(X), whose supports consist of exactly n points is an (n−1)-dimensional topological manifold.
Mikhail V. Dolgopolov   +1 more
doaj   +1 more source

High-Dimensional Clustering for Incomplete Mixed Dataset Using Artificial Intelligence

open access: yesIEEE Access, 2020
In order to address the problem that high energy consumption, high memory usage and low clustering effect in traditional data set high-dimensional clustering algorithms, we propose the high-dimensional clustering algorithm of incomplete mixed data set ...
Meishan Li, Xiaofeng Li, Jing Li
doaj   +1 more source

Linear Diophantine Fuzzy Subspaces of a Vector Space

open access: yesMathematics, 2023
The notion of a linear diophantine fuzzy set as a generalization of a fuzzy set is a mathematical approach that deals with vagueness in decision-making problems.
Madeleine Al-Tahan   +3 more
doaj   +1 more source

Patch-Aware Deep Hyperspectral and Multispectral Image Fusion by Unfolding Subspace-Based Optimization Model

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Hyperspectral and multispectral image fusion aims to fuse a low-spatial-resolution hyperspectral image (HSI) and a high-spatial-resolution multispectral image to form a high-spatial-resolution HSI.
Jianjun Liu   +5 more
doaj   +1 more source

On homotopically dense subspaces of the space of complete linked systems

open access: yesВестник Самарского университета: Естественнонаучная серия, 2023
This article discusses the topological and geometric properties of the set of coupled systems and the properties of its subspaces that are homotopically dense.
Mikhail V. Dolgopov   +1 more
doaj   +1 more source

MVTLR-HCFS: Density Peak Algorithm Based on Multi-View and Tensor Low Rank Expression

open access: yesIEEE Access, 2021
With the rapid development of hardware and software technology, modern industry has produced a large amount of high-dimensional unlabeled data, such as pictures and videos.
Wei Yang   +5 more
doaj   +1 more source

Behavior Recognition Based on Category Subspace in Crowded Videos

open access: yesIEEE Access, 2020
Crowd behavior refers to a collective behavior composed of two or more individuals who influence, interact, and depend on each other for a specific goal.
Chunhua Deng   +3 more
doaj   +1 more source

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