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Nonlinear Signal and Image Processing 2004

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  1. Content type: Research Article

    When dealing with pattern recognition problems one encounters different types of prior knowledge. It is important to incorporate such knowledge into the classification method at hand. A common prior knowledge ...

    Authors: Quan Yong and Yang Jie

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:139240

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  2. Content type: Research Article

    This paper deals with numerical problems arising when performing maximum likelihood parameter estimation in speckled imagery using small samples. The noise that appears in images obtained with coherent illumin...

    Authors: Alejandro C. Frery, Francisco Cribari-Neto and Marcelo O. de Souza

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:375370

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  3. Content type: Research Article

    A new operator for the restoration of digital images corrupted by impulse noise is presented. The proposed operator is a simple recursive switching median filter guided by a neuro-fuzzy network functioning as ...

    Authors: M. Emin Yüksel, Alper Baştürk and Erkan Beşdok

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:486589

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  4. Content type: Research Article

    A novel impulsive noise elimination filter, entitled noise exclusive filter (NEF), which shows a high performance at the restoration of images distorted by impulsive noise, is proposed in this paper. NEF uses ...

    Authors: Pınar Çivicioğlu, Mustafa Alçı and Erkan Beşdok

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:181785

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  5. Content type: Research Article

    The nonstationary and multicomponent nature of newborn EEG seizures tends to increase the complexity of the seizure detection problem. In dealing with this type of problems, time-frequency-based techniques wer...

    Authors: Hamid Hassanpour, Mostefa Mesbah and Boualem Boashash

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:898124

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  6. Content type: Research Article

    A hybrid 3D compression scheme which combines fractal coding with neighbourhood vector quantisation for video and volume data is reported. While fractal coding exploits the redundancy present in different scal...

    Authors: Zhen Yao and Roland Wilson

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:675168

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  7. Content type: Research Article

    We propose a nonlinear image restoration method that uses the generalized radial basis function network (GRBFN) and a regularization method. The GRBFN is used to estimate the nonlinear blurring function. The r...

    Authors: Keiji Icho, Youji Iiguni and Hajime Maeda

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:537237

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  8. Content type: Research Article

    Many studies have been conducted to evaluate the benefits of using layered video coding schemes as a means to improve the robustness of video communications systems. In this paper, we study a frame-aware nonli...

    Authors: Pedro Cuenca, Luis Orozco-Barbosa, Francisco Delicado and Antonio Garrido

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:846871

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  9. Content type: Research Article

    This paper introduces adaptive fuzzy equalizers with variable step size for broadband power line (PL) communications. Based on delta-bar-delta and local Lipschitz estimation updating rules, feedforward, and de...

    Authors: Moisés V Ribeiro

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:824326

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  10. Content type: Research Article

    We propose an information-theoretic variational filter for image denoising. It is a result of minimizing a functional subject to some noise constraints, and takes a hybrid form of a negentropy variational inte...

    Authors: A. Ben Hamza, Hamid Krim and Josiane Zerubia

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:540425

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  11. Content type: Research Article

    The estimation of the standard deviation of noise contaminating an image is a fundamental step in wavelet-based noise reduction techniques. The method widely used is based on the mean absolute deviation (MAD)....

    Authors: A. De Stefano, P.R. White and W.B. Collis

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:405209

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  12. Content type: Research Article

    The paper proposes a maximum likelihood sequence estimator (MLSE) receiver for satellite communications. The satellite channel model is composed of a nonlinear traveling wave tube (TWT) amplifier followed by a...

    Authors: Mohamed Ibnkahla and Jun Yuan

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:394715

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  13. Content type: Research Article

    This work addresses the problem of blind image deblurring, that is, of recovering an original image observed through one or more unknown linear channels and corrupted by additive noise. We resort to an iterati...

    Authors: Stefania Colonnese, Patrizio Campisi, Gianpiero Panci and Gaetano Scarano

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:352184

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  14. Content type: Research Article

    We propose a new approach to reduce speckle noise and enhance structures in speckle-corrupted images. It utilizes a median-anisotropic diffusion compound scheme. The median-filter-based reaction term acts as a...

    Authors: Zhi Yang and Martin D. Fox

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:615075

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  15. Content type: Research Article

    Face image matching is an essential step for face recognition and face verification. It is difficult to achieve robust face matching under various image acquisition conditions. In this paper, a novel face imag...

    Authors: Chyuan-Huei Thomas Yang, Shang-Hong Lai and Long-Wen Chang

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:769050

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  16. Content type: Research Article

    This paper deals with the statistical analysis of the behavior of a blind robust watermarking system based on pseudorandom signals embedded in the magnitude of the Fourier transform of the host data. The host ...

    Authors: Vassilios Solachidis and Ioannis Pitas

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:402942

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  17. Content type: Research Article

    Authors: Giovanni L Sicuranza, Gonzalo Arce, Moncef Gabbouj and Stephen Marshall

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:769682

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  18. Content type: Research Article

    The estimation of diagonal elements of a Wiener model kernel is a well-known problem. The new operators and notations proposed here aim at the implementation of efficient and accurate nonparametric algorithms ...

    Authors: Massimiliano Pirani, Simone Orcioni and Claudio Turchetti

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:145457

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  19. Content type: Research Article

    In an earlier paper, we briefly presented a new halftoning algorithm called farthest-point halftoning. In the present paper, this method is analyzed in detail, and a novel dispersion measure is defined to impr...

    Authors: R. Shahidi, C. Moloney and G. Ramponi

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:143458

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  20. Content type: Research Article

    Least absolute deviation (LAD) regression is an important tool used in numerous applications throughout science and engineering, mainly due to the intrinsic robust characteristics of LAD. In this paper, we sho...

    Authors: Yinbo Li and Gonzalo R. Arce

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:948982

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  21. Content type: Research Article

    The boundary identification represents an interesting and difficult problem in image processing, mainly if two flat zones are separated by a gradual transition. The most common edge detection operators work pr...

    Authors: Silvio J.F. Guimarães, Neucimar J. Leite, Michel Couprie and Arnaldo de A. Araújo

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:578032

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  22. Content type: Research Article

    We extend a stochastic model of hierarchical dependencies between wavelet coefficients of still images to the spatiotemporal decomposition of video sequences, obtained by a motion-compensated ...

    Authors: Georgia Feideropoulou and Béatrice Pesquet-Popescu

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:402678

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  23. Content type: Research Article

    Authors: Gian Luca Foresti, Giovanni Ramponi, Carlo Regazzoni, Giovanni L. Sicuranza and Gianni Vernazza

    Citation: EURASIP Journal on Advances in Signal Processing 2004 2004:476323

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