Results 11 to 20 of about 310,626 (286)

Observations on adaptive vector filters for noise reduction in color images [PDF]

open access: yes, 2004
In a series of papers, Plataniotis et al. proposed a number of filters for noise reduction in color images where the noise type is unknown. In this letter, those filters with a unified notation are summarized, and it is shown that they are essentially ...
Cree, Michael J.
core   +2 more sources

Performance limitations of subband adaptive filters [PDF]

open access: yes, 1998
In this paper, we evaluate the performance limitations of subband adaptive filters in terms of achievable final error terms. The limiting factors are the aliasing level in the subbands, which poses a distortion and thus presents a lower bound for the ...
A. Stenger   +4 more
core   +6 more sources

Cellular automata-based approach for salt-and-pepper noise filtration

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
Application of cellular automata (CA) to digital image processing has achieved considerable attention in last several years. CA are now employed in noise filtration of digital images; particularly many CA-based impulse noise filters have been proposed ...
Zubair Jeelani, Fasel Qadir
doaj   +1 more source

Possible solution of parallel FIR filter structure [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2005
In this paper, a parallel form FIR adaptive filter structure with RLS (Recursive Least Squares) type adaptive algorithm is proposed. The proposed parallel form FIR structure consists of a recursive orthogonal transform stage and sparse FIR sub filters ...
Petrović Predrag
doaj   +1 more source

Adaptive Mixture Methods Based on Bregman Divergences [PDF]

open access: yes, 2012
We investigate adaptive mixture methods that linearly combine outputs of $m$ constituent filters running in parallel to model a desired signal. We use "Bregman divergences" and obtain certain multiplicative updates to train the linear combination weights
Arenas-Garcia   +21 more
core   +2 more sources

Multiple model estimation with inter-residual distance feedback [PDF]

open access: yesModeling, Identification and Control, 1992
This paper presents a modification of the Multiple Model Adaptive Estimation concept. A trade-off problem between tracking the process and distinguishing the models is pointed out and an adaption of the elemental filters is proposed.
Eivind J. Lund   +2 more
doaj   +1 more source

Perturbative Analysis of Adaptive Smoothing Methods in Quantifying Large-Scale Structure [PDF]

open access: yes, 2000
Smoothing operation to make continuous density field from observed point-like distribution of galaxies is crucially important for topological or morphological analysis of the large-scale structure, such as, the genus statistics or the area statistics ...
Baugh C. M   +18 more
core   +2 more sources

Effect of adaptive line enhancement filters on noise cancellation in ECG signals [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2021
Power line interference is the main noise source that contaminates Electrocardiogram (ECG) signals and measurements. In recent years, adaptive filters with different approaches have been investigated to eliminate power line interference in ECG ...
Karraz George
doaj   +1 more source

Distributed Space-Time Coding Based on Adjustable Code Matrices for Cooperative MIMO Relaying Systems [PDF]

open access: yes, 2013
An adaptive distributed space-time coding (DSTC) scheme is proposed for two-hop cooperative MIMO networks. Linear minimum mean square error (MMSE) receive filters and adjustable code matrices are considered subject to a power constraint with an amplify ...
de Lamare, R. C., Peng, T., Schmeink, A.
core   +2 more sources

Adaptive-FRESH Filtering [PDF]

open access: yes, 2011
Adaptive filters are self-designing systems for information extraction which rely for their operation on a recursive algorithm (Haykin, 2001). They find application in environments where the optimum filter cannot be applied because of lack of knowledge about the signal characteristics and/or the data to be processed.
Ojeda, Omar A. Yeste, Grajal, Jesús
openaire   +3 more sources

Home - About - Disclaimer - Privacy