Results 61 to 70 of about 425,843 (182)

Joint & Progressive Learning from High-Dimensional Data for Multi-Label Classification [PDF]

open access: yes, 2018
Despite the fact that nonlinear subspace learning techniques (e.g. manifold learning) have successfully applied to data representation, there is still room for improvement in explainability (explicit mapping), generalization (out-of-samples), and cost ...
Hong, Danfeng   +3 more
core   +1 more source

Distributed Low-rank Subspace Segmentation

open access: yes, 2013
Vision problems ranging from image clustering to motion segmentation to semi-supervised learning can naturally be framed as subspace segmentation problems, in which one aims to recover multiple low-dimensional subspaces from noisy and corrupted input ...
Chang, Shih-Fu   +4 more
core   +1 more source

Sea Clutter Suppression Method Based on Correlation Features

open access: yesJournal of Marine Science and Engineering
Radar target detection in a sea clutter environment is of significant importance in both civilian and military applications, with the detection of small maneuvering targets being particularly challenging.
Zhen Li   +5 more
doaj   +1 more source

On subspace-diskcyclicity

open access: yesArab Journal of Mathematical Sciences, 2017
In this paper, we define and study subspace-diskcyclic operators. We show that subspace-diskcyclicity does not imply diskcyclicity. We establish a subspace-diskcyclic criterion and use it to find a subspace-diskcyclic operator that is not subspace ...
Nareen Bamerni, Adem Kılıçman
doaj   +1 more source

Algebraic List-decoding of Subspace Codes [PDF]

open access: yes, 2012
Subspace codes were introduced in order to correct errors and erasures for randomized network coding, in the case where network topology is unknown (the noncoherent case).
Mahdavifar, Hessam, Vardy, Alexander
core  

Subspace evasive sets

open access: yesProceedings of the forty-fourth annual ACM symposium on Theory of computing, 2012
In this work we describe an explicit, simple, construction of large subsets of F^n, where F is a finite field, that have small intersection with every k-dimensional affine subspace. Interest in the explicit construction of such sets, termed subspace-evasive sets, started in the work of Pudlak and Rodl (2004) who showed how such constructions over the ...
Dvir, Zeev, Lovett, Shachar
openaire   +2 more sources

Detecting Fourier Subspaces [PDF]

open access: yesJournal of Fourier Analysis and Applications, 2015
Let G be a finite abelian group. We examine the discrepancy between subspaces of l^2(G) which are diagonalized in the standard basis and subspaces which are diagonalized in the dual Fourier basis. The general principle is that a Fourier subspace whose dimension is small compared to |G| = dim(l^2(G)) tends to be far away from standard subspaces.
Akemann, Charles, Weaver, Nik
openaire   +3 more sources

A NEW REPRESENTATION RESULT FOR STOCHASTIC DIFFERENTIAL EQUATIONS WITH INFINITE MARKOV JUMPS AND MULTIPLICATIVE NOISE [PDF]

open access: yesFiabilitate şi Durabilitate, 2012
In this paper we give a new representation of the conditional mean square of the solutions for a classof stochastic differential linear equations with infinite Markov jumps (SDELMs) and multiplicative noise. Theobtained result is related to the solutions
Viorica Maria Ungureanu
doaj  

A rough set based subspace clustering technique for high dimensional data

open access: yesJournal of King Saud University: Computer and Information Sciences, 2020
Subspace clustering aims at identifying subspaces for cluster formation so that the data is categorized in different perspectives. The conventional subspace clustering algorithms explore dense clusters in all the possible subspaces.
B. Jaya Lakshmi, M. Shashi, K.B. Madhuri
doaj   +1 more source

Modulation Recognition Algorithm of Multipath Channel Signal for Orthogonal Frequency Division Multiplexing

open access: yesIEEE Access
As wireless communication technology rapidly develops, multipath channel effects pose a severe challenge to the effectiveness of orthogonal frequency division multiplexing systems.
Jinyu Guo
doaj   +1 more source

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