Publications


184 entries « 4 of 4 »

2008

Cantzos, Demetrios ; Mouchtaris, Athanasios ; Kyriakakis, Chris

Quality Enhancement of Compressed Audio Based on Statistical Conversion Journal Article

EURASIP Journal on Audio, Speech, and Music Processing, 2008 , pp. 5, 2008.

Abstract | BibTeX | Tags: Generalized Gaussian Mixture Model

Mouchtaris, Athanasios ; Karadimou, Kiki ; Tsakalides, Panagiotis

Multiresolution Source/Filter Model for Low Bitrate Coding of Spot Microphone Signals Journal Article

EURASIP J. Audio Speech Music Process., 2008 , pp. 1:1–1:16, 2008, ISSN: 1687-4714.

Abstract | Links | BibTeX | Tags: Audio Coding, Remote Mixing

Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Multichannel Audio Coding for Multimedia Services in Intelligent Environments In Collection

Multimedia Services in Intelligent Environments, pp. 103–148, Springer Berlin Heidelberg, 2008.

Abstract | BibTeX | Tags: Audio Coding, Immersive Performance, Multichannel Audio Compression

Mouchtaris, Athanasios ; Tzagkarakis, Christos ; Tsakalides, Panagiotis

Low Bitrate Coding of Spot Audio Signals for Interactive and Immersive Audio Applications In Collection

New Directions in Intelligent Interactive Multimedia, pp. 155–164, Springer Berlin Heidelberg, 2008.

Abstract | BibTeX | Tags: Audio Coding, Immersive Performance, Sinusoidal Modeling

2007

Stefanou, Hara ; Margaritis, Thanasis ; Kafetzopoulos, Dimitris ; Marias, Konstantinos ; Tsakalides, Panagiotis

Microarray Image Denoising Using a Two-Stage Multiresolution Technique In Proceedings

Bioinformatics and Biomedicine, 2007. BIBM 2007. IEEE International Conference on, pp. 383-389, IEEE, Fremont, CA, 2007.

Abstract | Links | BibTeX | Tags: Image Denoising, Medical Image Processing

Achim, Alin Marian ; Kuruoglu, Ercan Engin ; Bezerianos, Anastasios ; Tsakalides, Panagiotis

Comments on "A Closed-form Nonparametric Bayesian Estimator in the Wavelet Domain of Images Using an Approximate $alpha$-stable Prior" Journal Article

Pattern Recogn. Lett., 28 (13), pp. 1845–1847, 2007, ISSN: 0167-8655.

Abstract | Links | BibTeX | Tags: Alpha-stable Distribution, Bayesian Estimation, Image Denoising, Wavelet Transform

Kardamakis, Andreas ; Mouchtaris, Athanasios ; Pasadakis, Nikos

Linear Predictive Spectral Coding and Independent Component Analysis in Identifying Gasoline Constituents Using Infrared Spectroscopy Journal Article

Chemometrics and Intelligent Laboratory Systems, 89 (1), pp. 51–58, 2007.

Abstract | BibTeX | Tags: Fingerprinting, Independent Component Analysis, Infrared Spectroscopy, Linear Predictive Coding, Spectral Encoding

Tzagkarakis, Christos ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Modeling Spot Microphone Signals using the Sinusoidal Plus Noise Approach In Proceedings

Applications of Signal Processing to Audio and Acoustics, 2007 IEEE Workshop on, pp. 183-186, IEEE, New Paltz, NY, USA, 2007.

Abstract | Links | BibTeX | Tags: Audio Coding, Sinusoidal Modeling, Spot Microphone Signals

Tzagkarakis, Christos ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Sinusoidal Modeling of Spot Microphone Signals Based on Noise Transplantation for Multichannel Audio Coding In Proceedings

Signal Processing Conference, 2007 15th European, pp. 1362-1366, IEEE, Poznan, 2007.

Abstract | BibTeX | Tags: Audio Coding, Harmonic Analysis, Interchannel Similarity, Interference Suppression, Sinusoidal Modeling, Spot Microphone Signal

Cantzos, Demetrios ; Mouchtaris, Athanasios ; Kyriakakis, Chris

Enhanced Multichannel Audio Resynthesis Through Residual Processing and Features Alignment In Proceedings

Multimedia and Expo, 2007 IEEE International Conference on, pp. 1267–1270, IEEE IEEE, Beijing, 2007.

Abstract | Links | BibTeX | Tags: Audio Reproduction, Cepstral Analysis, Feature Extraction

Mouchtaris, Athanasios ; Van der Spiegel, Jan ; Mueller, Paul ; Tsakalides, Panagiotis

A Spectral Conversion Approach to Single-Channel Speech Enhancement Journal Article

Audio, Speech, and Language Processing, IEEE Transactions on, 15 (4), pp. 1180-1193, 2007, ISSN: 1558-7916.

Abstract | Links | BibTeX | Tags: Gaussian Mixture Model, Iterative Wiener Filter, Kalman Filters, Noisy Speech, Speech Enhancement

Mouchtaris, Athanasios ; Agiomyrgiannakis, Yannis ; Stylianou, Yannis

Conditional Vector Quantization for Voice Conversion In Proceedings

Acoustics, Speech and Signal Processing, 2007. ICASSP 2007. IEEE International Conference on, pp. IV-505 - IV-508, IEEE IEEE, Honolulu, HI, 2007.

Abstract | Links | BibTeX | Tags: Gaussian Mixture Model, Gaussian Processes, Spectral Analysis, Speech Processing, Speech Synthesis

Tzagkarakis, George ; Papadopouli, Maria ; Tsakalides, Panagiotis

Singular Spectrum Analysis of Traffic Workload in a Large-scale Wireless Lan In Proceedings

Proceedings of the 10th ACM Symposium on Modeling, Analysis, and Simulation of Wireless and Mobile Systems, pp. 99–108, ACM, Chania, Crete Island, Greece, 2007, ISBN: 978-1-59593-851-0.

Abstract | Links | BibTeX | Tags: Singular Spectrum Analysis, Wireless Networks, Wireless Traffic Modelling

Tzagkarakis, George ; Taroudakis, Michael ; Tsakalides, Panagiotis

A Statistical Geoacoustic Inversion Scheme based on a Modified Radial Basis Functions Neural Network Journal Article

Journal of Acoustical Society of America, 122 , pp. 1959 - 1968, 2007.

Abstract | BibTeX | Tags: Alpha-stable Distribution, Aplha-stable Models, Geoacoustic Inversion, Radial Basis Functions Networks

2006

Karadimou, Kiki ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Packet Loss Concealment for Multichannel Audio Using the Multiband Source/Filter Model In Proceedings

Signals, Systems and Computers, 2006. ACSSC '06. Fortieth Asilomar Conference on, pp. 1105-1109, IEEE, Pacific Grove, CA, 2006, ISSN: 1058-6393.

Abstract | Links | BibTeX | Tags: Audio Coding, Low-bit rate Multichannel Audio Streaming, Wireless Channels

Flouri, Kallirroi ; Beferull-Lozano, Baltasar ; Tsakalides, Panagiotis

Training a SVM-based Classifier in Distributed Sensor Networks In Proceedings

Signal Processing Conference, 2006 14th European, pp. 1-5, IEEE, Florence, 2006, ISSN: 2219-5491.

Abstract | BibTeX | Tags: Distributed Incremental Learning, Sparse Representations, Support Vector Machines, Wireless Sensor Networks

Mouchtaris, Athanasios ; Karadimou, Kiki ; Tsakalides, Panagiotis

Multiband Source/Filter Representation of Multichannel Audio for Reduction of Inter-channel Redundancy In Proceedings

Signal Processing Conference, 2006 14th European, pp. 1-5, IEEE, Florence, 2006, ISSN: 2219-5491.

Abstract | BibTeX | Tags: Audio Coding, Interchannel Redundancy, Interchannel Similarity, Multichannel Audio Signal

Tzagkarakis, George ; Beferull-Lozano, Baltasar ; Tsakalides, Panagiotis

Rotation-invariant Texture Retrieval with Gaussianized Steerable Pyramids Journal Article

Image Processing, IEEE Transactions on, 15 (9), pp. 2702-2718, 2006, ISSN: 1057-7149.

Abstract | Links | BibTeX | Tags: Covariance Analysis, Feature Extraction, Fractional Lower-order Moments, Gaussianized Steerable Pyramids, Image Texture, Kullback-Leibler Divergence

Mouchtaris, Athanasios ; Van der Spiegel, Jan ; Mueller, Paul

Nonparallel Training for Voice Conversion Based on a Parameter Adaptation Approach Journal Article

Audio, Speech, and Language Processing, IEEE Transactions on, 14 (3), pp. 952–963, 2006.

Abstract | Links | BibTeX | Tags: Gaussian Mixture Model, Speaker Identification, Speaker Recognition, Speech Processing, Speech Synthesis, Text-to-speech Synthesis

Tzagkarakis, Christos ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Musical Genre Classification VIA Generalized Gaussian and Alpha-Stable Modeling In Proceedings

Acoustics, Speech and Signal Processing, 2006. ICASSP 2006 Proceedings. 2006 IEEE International Conference on, pp. V-V, IEEE, Toulouse, 2006, ISSN: 1520-6149.

Abstract | Links | BibTeX | Tags: Alpha-stable Distribution, Feature Extraction, Gaussian Processes, Generalized Gaussian Density, Kullback-Leibler Divergence, Musical Genre Classification, Wavelet Decomposition

Flouri, Kallirroi ; Beferull-Lozano, Baltasar ; Tsakalides, Panagiotis

Energy-efficient Distributed Support Vector Machines for Wireless Sensor Networks In Proceedings

Proceedings of the European Workshop on Wireless Sensor Networks, 2006.

Abstract | BibTeX | Tags: Support Vector Machines, Wireless Sensor Networks

Taroudakis, Michael ; Tzagkarakis, George ; Tsakalides, Panagiotis

Classification of Shallow-water Acoustic Signals via Alpha-Stable Modeling of the One-dimensional Wavelet Coefficients Journal Article

The Journal of the Acoustical Society of America, 119 (3), pp. 1396–1405, 2006.

Abstract | BibTeX | Tags: Acoustic Signal Processing, Aplha-stable Distribution, Wavelet Coefficients

2005

Mouchtaris, Athanasios ; Cao, Yuan ; Khan, Shehzad ; Van der Spiegel, Jan ; Mueller, Paul

Combined Software/Hardware Implementation of a Filterbank Front-end for Speech Recognition In Proceedings

Signal Processing Systems Design and Implementation, 2005. IEEE Workshop on, pp. 436–441, IEEE IEEE, 2005.

Abstract | Links | BibTeX | Tags: Filter Bank, Speech Recognition

Cantzos, Demetrios ; Mouchtaris, Athanasios ; Kyriakakis, Chris

Multichannel Audio Resynthesis Based on a Generalized Gaussian Mixture Model and Cepstral Smoothing In Proceedings

Applications of Signal Processing to Audio and Acoustics, 2005. IEEE Workshop on, pp. 215–218, IEEE 2005.

Abstract | Links | BibTeX | Tags: Audio Reproduction, Cepstral Analysis, Gaussian Processes, Generalized Gaussian Mixture Model

Karadimou, Kiki ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Multichannel Audio Modeling and Coding Using a Multiband Source/Filter Model In Proceedings

Signals, Systems and Computers, 2005. Conference Record of the Thirty-Ninth Asilomar Conference on, pp. 907-911, IEEE, 2005, ISSN: 1058-6393.

Abstract | Links | BibTeX | Tags: Audio Recording, Information Filters

Taroudakis, Michael ; Tzagkarakis, George ; Tsakalides, Panagiotis

Characterization of an Underwater Acoustic Signal Using the Statistics of the Wavelet Subband Coefficients In Proceedings

7th International Conference on Theoretical & Computational Acoustics, pp. 167-174, Hang-Zhou, Zhejiang, China, 2005.

Abstract | Links | BibTeX | Tags: Acoustic Signal Processing, Wavelet Coefficients

Briassouli, Alexia ; Tsakalides, Panagiotis ; Stouraitis, Athanasios

Hidden Messages in Heavy-tails: DCT-domain Watermark Detection Using Alpha-stable Models Journal Article

Multimedia, IEEE Transactions on, 7 (4), pp. 700-715, 2005, ISSN: 1520-9210.

Abstract | Links | BibTeX | Tags: Alpha-stable Distribution, Discrete Cosine Transform, Image Watermarking, Neyman-Pearson Detector, Statistical Modeling

Tzagkarakis, George ; Beferull-Lozano, Baltasar ; Tsakalides, Panagiotis

Rotation-Invariant Texture Retrieval with Gaussianized Steerable Pyramids In Proceedings

Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on, pp. 413-416, IEEE, 2005, ISSN: 1520-6149.

Abstract | Links | BibTeX | Tags: Covariance Analysis, Feature Extraction, Gaussianized Steerable Pyramids, Kullback-Leibler Divergence

2004

Tzagkarakis, George ; Beferull-Lozano, Baltasar ; Tsakalides, Panagiotis

SubGaussian Rotation-invariant Features for Steerable Wavelet-based Image Retrieval In Proceedings

Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on, pp. 397-401 Vol.1, IEEE, 2004.

Abstract | Links | BibTeX | Tags: Feature Extraction, Gaussian Distribution, Image Retrieval, Image Texture, Kullback-Leibler Divergence, Samarium, Similarity Measurement, Wavelet Transforms

Taroudakis, Michael ; Tzagkarakis, George

On the Use of the Reassigned Wavelet Transform for Mode Identification Journal Article

Journal of Computational Acoustics, 12 , pp. 175 - 196, 2004.

Abstract | BibTeX | Tags: Acoustic Propagation, Mode Identification, Reassigned Wavelet Transform, Wavelet Transform

Taroudakis, Michael ; Tzagkarakis, George

Acoustic Signal Representation by the Statistical Distribution of the Wavelet Subband Coefficients for Tomographic Inversions In Proceedings

7th European Conference on Underwater Acoustics (ECUA), pp. 639-644, 2004.

Abstract | BibTeX | Tags: Geoacoustic Inversion, Tomographic Inversion, Wavelet Transform

Rupi, Marilli ; Tsakalides, Panagiotis ; Del Re, Enrico ; Nikias, Chrysostomos

Constant Modulus Blind Equalization Based on Fractional Lower-order Statistics Journal Article

Signal Process., 84 (5), pp. 881–894, 2004, ISSN: 0165-1684.

Abstract | Links | BibTeX | Tags: Adaptive Blind Equalization, Constant Modulus Criterion, Fractional Lower-order Statistics, Impulsive Interference

Tzagkarakis, George ; Tsakalides, Panagiotis

A Statistical Approach to Texture Image Retrieval via Alpha-stable Modeling of Wavelet Decompositions In Proceedings

5th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS '04), pp. 21–23, Lisbon, Portugal, 2004.

Abstract | BibTeX | Tags: Alpha-stable Distribution, Wavelets

2003

Achim, Alin Marian ; Tsakalides, Panagiotis ; Bezerianos, Anastasios

SAR Image Denoising via Bayesian Wavelet Shrinkage Based on Heavy-tailed Modeling Journal Article

Geoscience and Remote Sensing, IEEE Transactions on, 41 (8), pp. 1773-1784, 2003, ISSN: 0196-2892.

Abstract | Links | BibTeX | Tags: Bayesian Methods, Image Analysis, Radar Imaging, Remote Sensing, Synthetic Aperture Radar, Wavelet Transform

184 entries « 4 of 4 »