CED: A distance for complex mass functions

F **ao - IEEE transactions on neural networks and learning …, 2020 - ieeexplore.ieee.org
Evidence theory is an effective methodology for modeling and processing uncertainty that
has been widely applied in various fields. In evidence theory, a number of distance …

GIQ: a generalized intelligent quality-based approach for fusing multisource information

F **ao - IEEE Transactions on Fuzzy Systems, 2020 - ieeexplore.ieee.org
In this article, we propose a generalized intelligent quality-based approach for fusing
multisource information. The goal of the proposed approach is to fuse the multicomplex …

On the maximum entropy negation of a complex-valued distribution

F **ao - IEEE Transactions on Fuzzy Systems, 2020 - ieeexplore.ieee.org
In real applications of artificial and intelligent decision-making systems, how to represent the
knowledge involved with uncertain information is still an open issue. The negation method …

Matrix denoising with partial noise statistics: optimal singular value shrinkage of spiked F-matrices

M Gavish, W Leeb, E Romanov - … and Inference: A Journal of the …, 2023 - academic.oup.com
We study the problem of estimating a large, low-rank matrix corrupted by additive noise of
unknown covariance, assuming one has access to additional side information in the form of …

Eigenvalue-based detection of a signal in colored noise: Finite and asymptotic analyses

LD Chamain, P Dharmawansa… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Signal detection in colored noise with an unknown covariance matrix has a myriad of
applications in diverse scientific/engineering fields. The test statistic is the largest …

Detection of Signals in Colored Noise: Roy's Largest Root Test for Non-central -matrices

P Dharmawansa, S Atapattu, J Evans… - arxiv preprint arxiv …, 2024 - arxiv.org
This paper investigates the signal detection problem in colored noise with an unknown
covariance matrix. In particular, we focus on detecting a non-random signal by capitalizing …

Detection of Signals in Colored Noise: Leading Eigenvalue Test for Non-central F-matrices

P Dharmawansa, S Atapattu, J Evans… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
This paper investigates the signal detection problem in colored noise with an unknown
covariance matrix. In particular, we focus on detecting an unknown non-random signal by …

Generalized eigenvalue based detection of signals in colored noise: A sample deficient analysis

P Dharmawansa, S Atapattu, J Evans… - … 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
This paper investigates the signal detection problem in colored noise with an unknown
covariance matrix. To be specific, we consider a scenario in which the number of signal …

Approximation for the distribution function of non-central complex Wilks statistic

D Thanh Phong - Journal of Statistical Computation and Simulation, 2023 - Taylor & Francis
In this article, we use the saddlepoint approximation method to compute the cumulative
distribution function of non-central complex Wilks statistic. This approximation does not …

Distribution of the scaled condition number of single-spiked complex Wishart matrices

P Dissanayake, P Dharmawansa… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Let () be a random matrix with independent columns each distributed as complex
multivariate Gaussian with zero mean and single-spiked covariance matrix, where is the …