Alexandru Isar

According to our database, Alexandru Isar authored at least 30 papers between 1999 and 2021.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2021

Hyperanalytic Wavelet-Based Robust Edge Detection.

Alexandru Isar, Corina Nafornita, Georgiana Magu

Remote. Sens., 2021

2020

Coverage, Handoff and cost optimization for 5G Heterogeneous Network.

Mohamed Amine Ouamri, Marius-Emil Otesteanu, Alexandru Isar, Mohamed Azni

Phys. Commun., 2020

Polynomial Based Kalman Filter Result Fitting to Data.

Georgiana Magu, Radu Lucaciu, Alexandru Isar

Proceedings of the 43rd International Conference on Telecommunications and Signal Processing, 2020

2016

Semi-Local Scaling Exponent Estimation With Box-Penalty Constraints and Total-Variation Regularization.

James D. B. Nelson, Corina Nafornita, Alexandru Isar

IEEE Trans. Image Process., 2016

Time-frequency localization as mother wavelet selecting criterion for wavelet modulation.

Alexandru Isar, Marius Oltean

Ann. des Télécommunications, 2016

Performance analysis of SAR image denoising using scaling exponent estimator.

Corina Nafornita, James D. B. Nelson, Alexandru Isar

Proceedings of the International Conference on Communications, 2016

2015

Denoising and inpainting SONAR images.

Cristina Stolojescu-Crisan, Alexandru Isar

Proceedings of the 38th International Conference on Telecommunications and Signal Processing, 2015

Generalised M-Lasso for robust, spatially regularised hurst estimation.

James D. B. Nelson, Corina Nafornita, Alexandru Isar

Proceedings of the 2015 IEEE Global Conference on Signal and Information Processing, 2015

2014

On the statistical decorrelation of the 2D discrete wavelet transform coefficients of a wide sense stationary bivariate random process.

Alexandru Isar, Corina Nafornita

Digit. Signal Process., 2014

On the Equivalence Between Canonical Forms of Recursive Systematic Convolutional Transducers Based on Single Shift Registers.

Horia Balta, Catherine Douillard, Alexandru Isar

IEEE Access, 2014

Regularised, semi-local hurst estimation via generalised lasso and dual-tree complex wavelets.

Corina Nafornita, Alexandru Isar, James D. B. Nelson

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

Envelope detector with denoising to improve the detection probability.

Corina Nafornita, Adrian Macaveiu, Alexandru Isar, Ioan Nafornita, Andrei Campeanu

Proceedings of the 10th International Conference on Communications, 2014

2013

WiMAX traffic analysis and base stations classification in terms of LRD.

Cristina Stolojescu-Crisan, Alexandru Isar, Sorin Moga, Philippe Lenca

Expert Syst. J. Knowl. Eng., 2013

Forecasting WiMAX traffic by data mining methodology.

Cristina Stolojescu-Crisan, Alexandru Isar

EURASIP J. Wirel. Commun. Netw., 2013

Two approaches for the estimation of the heaviness of traffic in wireless networks.

Cristina Stolojescu-Crisan, Alexandru Isar

Proceedings of the 36th International Conference on Telecommunications and Signal Processing, 2013

2012

Kullback-Leibler distance between complex generalized Gaussian distributions.

Corina Nafornita, Yannick Berthoumieu, Ioan Nafornita, Alexandru Isar

Proceedings of the 20th European Signal Processing Conference, 2012

PAPR reduction of OFDM signals using selective mapping and clipping hybrid scheme.

Victor Cuteanu, Alexandru Isar

Proceedings of the 20th European Signal Processing Conference, 2012

2011

Bayesian Hyperanalytic Denoising of SONAR Images.

Ioana Firoiu, Corina Nafornita, Dorina Isar, Alexandru Isar

IEEE Geosci. Remote. Sens. Lett., 2011

A physical layer simulator for WiMAX in Rayleigh fading channel.

Jamal Mountassir, Horia Balta, Marius Oltean, Maria Kovaci, Alexandru Isar

Proceedings of the 6th IEEE International Symposium on Applied Computational Intelligence and Informatics, 2011

Performance of Fourier versus Wavelet analysis for magnetocardiograms using a SQUID-acquisition system.

Beatrice Arvinti, Alexandru Isar, Ronny Stolz, Marius Costache

Proceedings of the 6th IEEE International Symposium on Applied Computational Intelligence and Informatics, 2011

Simulating the Operation of Turbo Codes through the Monte Carlo Method, Comparison between MATLAB, C and C#.

Horia Balta, Alexandru Isar, Dorina Isar, Maria Lucia Balta

Proceedings of the Frontiers in Computer Education [International Conference on Frontiers in Computer Education, 2011

2009

Image Denoising Using a New Implementation of the Hyperanalytic Wavelet Transform.

Ioana Firoiu, Corina Nafornita, Jean-Marc Boucher, Alexandru Isar

IEEE Trans. Instrum. Meas., 2009

A New Denoising System for SONAR Images.

Alexandru Isar, Sorin Moga, Dorina Isar

EURASIP J. Image Video Process., 2009

2007

On the statistical decorrelation of the wavelet packet coefficients of a band-limited wide-sense stationary random process.

Abdourrahmane M. Atto, Dominique Pastor, Alexandru Isar

Signal Process., 2007

2006

Improved Pixel-Wise Masking for Image Watermarking.

Corina Nafornita, Alexandru Isar, Monica Borda

Proceedings of the Multimedia Content Representation, 2006

Map Filtering in the Diversity-Enhanced Wavelet Domain Applied to Ecg Signals Denoising.

Marius Oltean, Jean-Marc Boucher, Alexandru Isar

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

New instantaneous frequency estimation method based on image processing techniques.

Monica Borda, Ioan Nafornita, Dorina Isar, Alexandru Isar

J. Electronic Imaging, 2005

2003

Adaptive De-Noising of Low SNR Signals.

Dorina Isar, Alexandru Isar

Proceedings of the Wavelet Analysis and Its Applications, 2003

New instantaneous frequency estimation method based on the use of image processing techniques.

Monica Borda, Ioan Nafornita, Alexandru Isar

Proceedings of the Image Processing: Algorithms and Systems II, 2003

1999

Nonlinear adaptive filters and wavelets. A statistical analysis.

Alexandru Isar, Dorina Isar, Tibor Asztalos

Proceedings of the 6th IEEE International Conference on Electronics, Circuits and Systems, 1999