Apostolos Georgakis

Publication Activity (10 Years)

Years Active: 2001-2015
Publications (10 Years): 0

Top Topics

Frequency Domain

Hard Thresholding

Top Venues

IEEE Trans. Signal Process.

Digit. Signal Process.

Publications

Xiao-Zhi Zhang, Bingo Wing-Kuen Ling, Suba Raman Subramaniam, Apostolos Georgakis
Globally optimal joint design of two sets of mask coefficients in two different predefined rotated axes of time frequency plane for signal restoration applications. Digit. Signal Process. 40 (2015)
Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho, Suba Raman Subramaniam, Apostolos Georgakis, Jiang-Zhong Cao, Qingyun Dai
Optimal design of Hermitian transform and vectors of both mask and window coefficients for denoising applications with both unknown noise characteristics and distortions. Signal Process. 98 (2014)
Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho, Zhijing Yang, Suba Raman Subramaniam, Apostolos Georgakis, Qingyun Dai
Mask operations in discrete fractional Fourier transform domains with nearly white real valued wide sense stationary output signals. Digit. Signal Process. 27 (2014)
Suba Raman Subramaniam, Bingo Wing-Kuen Ling, Apostolos Georgakis
Motion artifact suppression in the ECG signal by successive modifications in frequency and time. EMBC (2013)
Tsz-Kin Hon, Alberto de la Fuente Gonzalez, Apostolos Georgakis
Enhancing the readability of the Wigner distribution by exploiting its cross-terms geometry. ICASSP (2013)
Tsz-Kin Hon, Apostolos Georgakis
Enhancing the Resolution of the Spectrogram Based on a Simple Adaptation Procedure. IEEE Trans. Signal Process. 60 (10) (2012)
Suba Raman Subramaniam, Apostolos Georgakis, Bingo Wing-Kuen Ling, Jonathan Goh, Hongying Lilian Tang, Tünde Petö, George Saleh
Optimal and simultaneous designs of Hermitian transforms and masks for reducing intraclass separations of feature vectors for anomaly detection of diabetic retinopathy images. CSNDSP (2012)
Suba Raman Subramaniam, Bingo Wing-Kuen Ling, Apostolos Georgakis
Filtering in Rotated Time-Frequency Domains With Unknown Noise Statistics. IEEE Trans. Signal Process. 60 (1) (2012)
Stephen R. Alty, Apostolos Georgakis
Mean frequency estimation of surface EMG signals using filterbank methods. EUSIPCO (2011)
Suba Raman Subramaniam, Tsz-Kin Hon, Wing-Kuen Ling, Apostolos Georgakis
Optimal two-stage filtering of elastograms. EMBC (2011)
Tsz-Kin Hon, Suba Raman Subramaniam, Apostolos Georgakis, Steve Alty
STFT-based denoising of elastograms. ICASSP (2011)
Suba Raman Subramaniam, Apostolos Georgakis
Fractional Fourier-based denoising of kinematic signals with multiple impacts. ISSPA (2010)
Apostolos Georgakis, Suba Raman Subramaniam
Estimation of the Second Derivative of Kinematic Impact Signals Using Fractional Fourier Domain Filtering. IEEE Trans. Biomed. Eng. 56 (4) (2009)
Xiaxi Huang, Nikolaos V. Boulgouris, Apostolos Georgakis
Gait recognition based on time-frequency analysis. DPS (2009)
Mohammad Shikh-Bahaei, A. Kobarvi, Apostolos Georgakis
Optimising expected spectral efficiency of adaptive multilevel quadrature amplitude modulation with service outage constraints over fading channels. IET Commun. 2 (4) (2008)
Alireza Kobravi, Mohammad Shikh-Bahaei, Mohamed-Slim Alouini, Apostolos Georgakis
LDPC Coded Adaptive Transmission over Fading Channels. WCNC (2008)
Saad Ahemd Qazi, Apostolos Georgakis, Lampros K. Stergioulas, Mohammad Shikh-Bahaei
Interference Suppression in the Wigner Distribution Using Fractional Fourier Transformation and Signal Synthesis. IEEE Trans. Signal Process. 55 (6-2) (2007)
Apostolos Georgakis, Haibo Li, Mihaela Gordan
Behavior Modeling using Bigram Frequencies for Client-Side Link Prefetching. EuroIMSA (2006)
Apostolos Georgakis, Haibo Li
Content Based Image Retrieval Using a Bootstrapped SOM Network. ISNN (2) (2006)
Apostolos Georgakis, Haibo Li
User behavior modeling and content based speculative web page prefetching. Data Knowl. Eng. 59 (3) (2006)
Apostolos Georgakis, Constantine Kotropoulos, Alexandros Xafopoulos, Ioannis Pitas
Marginal median SOM for document organization and retrieval. Neural Networks 17 (3) (2004)
Apostolos Georgakis, Lampros K. Stergioulas
Matched time-frequency filter for ECG signal enhancement. MIE (2003)
Apostolos Georgakis, Lampros K. Stergioulas, Giannis Giakas
Fatigue analysis of the surface EMG signal in isometric constant force contractions using the averaged instantaneous frequency. IEEE Trans. Biomed. Eng. 50 (2) (2003)
Apostolos Georgakis, Lampros K. Stergioulas, Giannis Giakas
Wigner filtering with smooth roll-off boundary for differentiation of noisy non-stationary signals. Signal Process. 82 (10) (2002)
Mihaela Gordan, Constantine Kotropoulos, Apostolos Georgakis, Ioannis Pitas
Application of support vector machines classifiers to visual speech recognition. ICIP (3) (2002)
Apostolos Georgakis, Constantine Kotropoulos, Ioannis Pitas
A SOM Variant Based on the Wilcoxon Test for Document Organization and Retrieval. ICANN (2002)
Apostolos Georgakis, Constantine Kotropoulos, Alexandros Xafopoulos, Ioannis Pitas
Document Organization and Retrieval using Self Organizing Maps and Statistical Language Modeling. PRIS (2001)