Ali N. Akansu

127 papers A 1B 11C 5Misc 38Journal 48Unranked 24
YearRankTypeTitle / Venue / Authors
2022 Misc conf
On Explainability of A Simple Classifier for AR(1) Source.
CISS
Cem Benar, Ali N. Akansu
2021 J jnl
Machine learning in eigensubspace for network path identification and flow forecast.
IET Commun.
Irfan Lateef, Ali N. Akansu
2019 Misc conf
Design of Eigenportfolios for US Equities Using Exponential Correlation Model.
CISS
Ali N. Akansu, Anqi Xiong
2019 Misc conf
Performance Comparison of Minimum Variance, Market and Eigen Portfolios for US Equities.
CISS
Anqi Xiong, Ali N. Akansu
2017 Misc conf
Link-level interpretation of eigenanalysis for network traffic flows.
CISS
Irfan Lateef, Ali N. Akansu
2016 J jnl
FPGA, GPU, and CPU implementations of Jacobi algorithm for eigenanalysis.
J. Parallel Distributed Comput.
Mustafa U. Torun, Onur Yilmaz, Ali N. Akansu
2016 J jnl
Introduction to the Issue on Financial Signal Processing and Machine Learning for Electronic Trading.
IEEE J. Sel. Top. Signal Process.
Ali N. Akansu, Dmitry Malioutov, Daniel P. Palomar, Emmanuelle Jay, Danilo P. Mandic
2016 Misc conf
Performance analysis of eigenportfolios for AR(1) process.
CISS
Onur Yilmaz, Ali N. Akansu
2016 Misc conf
Symbol Alphabet Modifier for PAPR reduction in OFDM communications.
CISS
Yuewen Wang, Ali N. Akansu
2015 C conf
A method to sparse eigen subspace and eigenportfolios.
FUSION
Onur Yilmaz, Ali N. Akansu
2015 J jnl
Low-complexity peak-to-average power ratio reduction method for orthogonal frequency-division multiplexing communications.
IET Commun.
Yuewen Wang, Ali N. Akansu
2015 — conf
Neural correlates of affective context in facial expression analysis: A simultaneous EEG-fNIRS study.
GlobalSIP
Yanjia Sun, Hasan Ayaz, Ali N. Akansu
2015 J jnl
Quantization of Eigen Subspace for Sparse Representation.
IEEE Trans. Signal Process.
Onur Yilmaz, Ali N. Akansu
2014 J jnl
A fast derivation of Karhunen-Loeve transform kernel for first-order autoregressive discrete process.
SIGMETRICS Perform. Evaluation Rev.
Onur Yilmaz, Mustafa U. Torun, Ali N. Akansu
2014 Misc conf
Automatic inference of mental states from spontaneous facial expressions.
ICASSP
Yanjia Sun, Ali N. Akansu
2014 Misc conf
The power of fear: Facial emotion analysis of CEOs to forecast firm performance.
IRI
Yanjia Sun, Ali N. Akansu, James E. Cicon
2013 Misc conf
A novel method to derive explicit KLT kernel for AR(1) process.
ICASSP
Mustafa U. Torun, Ali N. Akansu
2013 J jnl
An Efficient Method to Derive Explicit KLT Kernel for First-Order Autoregressive Discrete Process.
IEEE Trans. Signal Process.
Mustafa U. Torun, Ali N. Akansu
2013 Misc conf
FPGA based eigenfiltering for real-time portfolio risk analysis.
ICASSP
Mustafa U. Torun, Onur Yilmaz, Ali N. Akansu
2012 — conf
A novel GPU implementation of eigenanalysis for risk management.
SPAWC
Mustafa U. Torun, Ali N. Akansu
2012 Misc conf
Generalized DFT based partial matched filter bank for doppler estimation.
CISS
Yuewen Wang, Ali N. Akansu
2012 — conf
Generalized DFT waveforms for MIMO radar.
SAM
Yuewen Wang, Ali N. Akansu, Alex Haimovich
2012 Misc conf
Implementation of generalized DFT on Field Programmable Gate Array.
ICASSP
Wes P. Weydig, Mustafa U. Torun, Ali N. Akansu
2012 J jnl
Introduction to the Issue on Signal Processing Methods in Finance and Electronic Trading.
IEEE J. Sel. Top. Signal Process.
Ali N. Akansu, Sanjeev R. Kulkarni, Marco Avellaneda, Andrew R. Barron
2012 Misc conf
Novel GPU implementation of Jacobi algorithm for Karhunen-Loève transform of dense matrices.
CISS
Mustafa U. Torun, Onur Yilmaz, Ali N. Akansu
2012 Misc conf
On toeplitz approximation to empirical correlation matrix of financial asset returns.
CISS
Ali N. Akansu, Mustafa U. Torun
2012 J jnl
Toeplitz Approximation to Empirical Correlation Matrix of Asset Returns: A Signal Processing Perspective.
IEEE J. Sel. Top. Signal Process.
Ali N. Akansu, Mustafa U. Torun
2011 — conf
On Epps effect and rebalancing of hedged portfolio in multiple frequencies.
CAMSAP
Mustafa U. Torun, Ali N. Akansu
2011 J jnl
Portfolio Risk in Multiple Frequencies.
IEEE Signal Process. Mag.
Mustafa U. Torun, Ali N. Akansu, Marco Avellaneda
2011 Misc conf
Risk management for trading in multiple frequencies.
ICASSP
Mustafa U. Torun, Ali N. Akansu, Marco Avellaneda
2010 J jnl
Emerging applications of wavelets: A review.
Phys. Commun.
Ali N. Akansu, Wouter A. Serdijn, Ivan W. Selesnick
2010 Misc conf
Generalized Discrete Fourier Transform with optimum correlations.
ICASSP
Ali N. Akansu, Handan Agirman-Tosun
2010 J jnl
Generalized discrete Fourier transform with nonlinear phase.
IEEE Trans. Signal Process.
Ali N. Akansu, Handan Agirman-Tosun
2010 J jnl
Optimal design of phase function in Generalized DFT.
Phys. Commun.
Ali N. Akansu, Handan Agirman-Tosun, Mustafa U. Torun
2009 — conf
Improved correlation of Generalized DFT with nonlinear phase for OFDM and CDMA Communications.
EUSIPCO
Ali N. Akansu, Handan Agirman-Tosun
2008 Misc conf
BER performance of DS-CDMA communications for continuous phase modulation and various binary code families.
CISS
Handan Agirman-Tosun, Ali N. Akansu
2007 J jnl
Design and Performance of Spread Spectrum Karhunen-Loeve Transform for Direct Sequence CDMA Communications.
IEEE Signal Process. Lett.
Ali N. Akansu, Radha Poluri
2007 J jnl
Improved utilization of embedding distortion in scalar quantization based data hiding techniques.
Signal Process.
Husrev T. Sencar, Mahalingam Ramkumar, Ali N. Akansu, Amol Sukerkar
2007 J jnl
Walsh-Like Nonlinear Phase Orthogonal Codes for Direct Sequence CDMA Communications.
IEEE Trans. Signal Process.
Ali N. Akansu, Radha Poluri
2006 J jnl
An overview of scalar quantization based data hiding methods.
Signal Process.
Husrev T. Sencar, Mahalingam Ramkumar, Ali N. Akansu
2006 — conf
New Linear Phase Orthogonal Binary Codes for Spread Spectrum Multicarrier Communications.
VTC Fall
Radha Poluri, Ali N. Akansu
2005 J jnl
Cover Noise Interference Suppression In Multimedia Data Hiding.
Int. J. Image Graph.
Litao Gang, Ali N. Akansu
2005 — conf
New orthogonal binary user codes for multiuser spread spectrum communications.
EUSIPCO
Radha Poluri, Ali N. Akansu
2004 J jnl
A robust protocol for proving ownership of multimedia content.
IEEE Trans. Multim.
Mahalingam Ramkumar, Ali N. Akansu
2004 — conf
An analysis of quantization based embedding-detection techniques.
ICASSP (3)
Hüsrev T. Sencar, Mahalingam Ramkumar, Ali N. Akansu
2004 J jnl
Linear and Nonlinear Oblivious Data Hiding.
EURASIP J. Adv. Signal Process.
Litao Gang, Ali N. Akansu, Mahalingam Ramkumar
2004 J jnl
On the design of data hiding methods robust to lossy compression.
IEEE Trans. Multim.
Mahalingam Ramkumar, Ali N. Akansu
2004 J jnl
Signaling methods for multimedia steganography.
IEEE Trans. Signal Process.
Mahalingam Ramkumar, Ali N. Akansu
2003 — conf
A new perspective for embedding-detection methods with distortion compensation and thresholding processing techniques.
ICIP (2)
Husrev T. Sencar, Mahalingam Ramkumar, Ali N. Akansu
2003 J jnl
Guest editorial special issue on signal processing for data hiding in digital media and secure content delivery.
IEEE Trans. Signal Process.
Ali N. Akansu, Edward J. Delp, Ton Kalker, Bede Liu, Nasir D. Memon, Pierre Moulin, Ahmed H. Tewfik
2003 J jnl
Performance of CDMA random access systems with packet combining in fading channels.
IEEE Trans. Wirel. Commun.
Xiaodong Cai, Yi Sun, Ali N. Akansu
2002 J jnl
A Graph-Based Object Description for Information Retrieval in Digital Image and Video Libraries.
J. Vis. Commun. Image Represent.
I. Burak Özer, Wayne H. Wolf, Ali N. Akansu
2002 J jnl
Blind Reduced-Rank MMSE Detector for DS-CDMA Systems.
EURASIP J. Adv. Signal Process.
Xiaodong Cai, Hongya Ge, Ali N. Akansu
2002 Misc conf
Improvements on data hiding for lossy compression.
ICASSP
Husrev T. Sencar, Ali N. Akansu, Mahalingam Ramkumar
2002 J jnl
Performance evaluation and optimization of embedded image sources over noisy channels.
IEEE Signal Process. Lett.
Minyi Zhao, William A. Pearlman, Ali N. Akansu
2002 Misc conf
Security and synchronization in watermark sequence.
ICASSP
Litao Gang, Ali N. Akansu, Mahalingam Ramkumar
2001 J jnl
Capacity estimates for data hiding in compressed images.
IEEE Trans. Image Process.
Mahalingam Ramkumar, Ali N. Akansu
2001 Misc conf
MP3 resistant oblivious steganography.
ICASSP
Litao Gang, Ali N. Akansu, Mahalingam Ramkumar
2001 J jnl
Multi-Modal Dialog Scene Detection Using Hidden Markov Models for Content-Based Multimedia Indexing.
Multim. Tools Appl.
A. Aydin Alatan, Ali N. Akansu, Wayne H. Wolf
2001 — conf
Multicode CDMA downlink in shadowed multipath fading.
ICC
Anil Bircan, M. Oguz Sunay, Ali N. Akansu
2001 — conf
On parallel iterative decoding of product code.
VTC Fall
Xuefei Wei, Ali N. Akansu
2001 B conf
Optimal Protection for Progressive Image Transmission over Noisy Channels: A General Approach.
Data Compression Conference
Minyi Zhao, Ali N. Akansu
2001 C conf
Performance Analysis of CDMA Random Access Systems with Heavy-Tailed Packet Length Distribution.
ISCC
Sebnem Z. Özer, Symeon Papavassiliou, Ali N. Akansu
2001 Misc conf
Set partitioning in oblivious data hiding.
ICASSP
Litao Gang, Ali N. Akansu, Mahalingam Ramkumar
2000 B conf
A Distributed Dynamic Scheduling Algorithm for a Terabit Multicast Packet Switch.
NETWORKING
Feihong Chen, Necdet Uzun, Ali N. Akansu
2000 B conf
A New Method for Optimal Rate Allocation for Progressive Image Transmission over Noisy Channels.
Data Compression Conference
Minyi Zhao, A. Aydin Alatan, Ali N. Akansu
2000 B conf
A Robust Oblivious Watermarking Scheme.
ICIP
Mahalingam Ramkumar, Ali N. Akansu
2000 — conf
A Subspace Method for Blind Channel Identification in OFDM Systems.
ICC (2)
Xiaodong Cai, Ali N. Akansu
2000 — conf
A geocast architecture for mobile cellular networks.
Networked Group Communication
Beongku An, Symeon Papavassiliou, Ali N. Akansu
2000 Misc conf
A new method for detection of watermarks in geometrically distorted images.
ICASSP
I. Burak Özer, Mahalingam Ramkumar, Ali N. Akansu
2000 J jnl
Cochannel interference computation and asymptotic performance analysis in TDMA/FDMA systems with interference adaptive dynamic channel allocation.
IEEE Trans. Veh. Technol.
Ziqiang Xu, Ali N. Akansu, Sirin Tekinay
2000 Misc conf
Comparative analysis of hidden Markov models for multi-modal dialogue scene indexing.
ICASSP
A. Aydin Alatan, Ali N. Akansu, Wayne H. Wolf
2000 B conf
Comparison of different interblock data rate downlinks.
GLOBECOM
Anil Bircan, M. Oguz Sunay, Ali N. Akansu
2000 B conf
Compressed Domain MPEG-2 Video Editing with VBV Requirement.
ICIP
Ren Egawa, A. Aydin Alatan, Ali N. Akansu
2000 Misc conf
Dynamic UEP of embedded image bit streams over noisy channels.
ICASSP
Minyi Zhao, A. Aydin Alatan, Ali N. Akansu
2000 Misc conf
FFT based signaling for multimedia steganography.
ICASSP
Mahalingam Ramkumar, Ali N. Akansu
2000 — conf
Floating Signal Constellations for Multimedia Steganography.
ICC (1)
Mahalingam Ramkumar, Ali N. Akansu, Xiaodong Cai
2000 — conf
Human Activity Detection in MPEG Sequences.
Workshop on Human Motion
I. Burak Özer, Wayne H. Wolf, Ali N. Akansu
2000 A conf
Low-Level Motion Activity Features for Semantic Characterization of Video.
IEEE International Conference on Multimedia and Expo (II)
Kadir A. Peker, A. Aydin Alatan, Ali N. Akansu
2000 Misc conf
Low-rank minimum variance CDMA receiver in multipath channels.
ICASSP
Xiaodong Cai, Hongya Ge, Ali N. Akansu
2000 B conf
Mobility-based channel reservation scheme for wireless mobile networks.
WCNC
Jiongkuan Hou, Yuguang Fang, Ali N. Akansu
2000 B conf
Optimization of Dynamic UEP Schemes for Embedded Image Sources in Noisy Channels.
ICIP
Minyi Zhao, Ali N. Akansu
2000 — conf
Reduced-Rank Minimum Variance Receiver for Asynchronous CDMA Systems.
ICC (2)
Xiaodong Cai, Ali N. Akansu, Hongya Ge
2000 — conf
Robust Protocols for Proving Ownership of Images.
ITCC
Mahalingam Ramkumar, Ali N. Akansu
2000 J jnl
Unequal error protection of SPIHT encoded image bit streams.
IEEE J. Sel. Areas Commun.
A. Aydin Alatan, Minyi Zhao, Ali N. Akansu
1999 — conf
A Robust Data Hiding Scheme for Images Using DFT.
ICIP (2)
Mahalingam Ramkumar, Ali N. Akansu, A. Aydin Alatan
1999 B conf
A scalable multicast ATM switch using link sharing and prioritized link reservation.
ICCCN
Feihong Chen, Necdet Uzun, Ali N. Akansu
1999 Misc conf
Frames in rotated time-frequency planes.
ICASSP
Aykut Bultan, Ali N. Akansu
1999 Misc conf
On the choice of transforms for data hiding in compressed video.
ICASSP
Mahalingam Ramkumar, Ali N. Akansu, A. Aydin Alatan
1999 — conf
On the implementation of 2-band cyclic filterbanks.
ISCAS (3)
Mahalingam Ramkumar, G. V. Anand, Ali N. Akansu
1999 — conf
The impact of interference and traffic load on the performance of TDMA/FDMA systems with interference adaptive dynamic channel assignment.
ICC
Ziqiang Xu, Sirin Tekinay, Sebnem Zorlu Özer, Ali N. Akansu
1998 B conf
A Novel Performance Analysis for the Copy Network in a Multicast ATM Switch.
ICCCN
Feihong Chen, Bülent Yener, Ali N. Akansu, Sirin Tekinay
1998 Misc conf
A comparative performance evaluation of DMT (OFDM) and DWMT (DSBMT) based DSL communications systems for single and multitone interference.
ICASSP
Ali N. Akansu, Xueming Lin
1998 Misc conf
A novel time-frequency exciser in spread spectrum communications for chirp-like interference.
ICASSP
Aykut Bultan, Ali N. Akansu
1998 J jnl
A performance analysis of interference excision techniques in direct sequence spread spectrum communications.
IEEE Trans. Signal Process.
Mehmet V. Tazebay, Ali N. Akansu
1998 C conf
Information theoretic bounds for data hiding in compressed images.
MMSP
Mahalingam Ramkumar, Ali N. Akansu
1998 Misc conf
Nonmaximally decimated filterbank based precoder/post-equalizer for blind channel identification and optimal MMSE equalization.
ICASSP
Xueming Lin, Ali N. Akansu
1998 J jnl
Orthogonal transmultiplexers in communication: a review.
IEEE Trans. Signal Process.
Ali N. Akansu, Pierre Duhamel, Xueming Lin, Marc de Courville
1998 B conf
Performance analysis of interference adaptive dynamic channel allocation in practical TDMA/FDMA wireless networks.
PIMRC
Ziqiang Xu, Ali N. Akansu, Sirin Tekinay
1997 J jnl
A new look at digital orthogonal transmultiplexers for CDMA communications.
IEEE Trans. Signal Process.
Ali N. Akansu, Mehmet V. Tazebay, Richard A. Haddad
1997 Misc conf
A very efficient low-bit-rate subband image/video codec using shift-only PR-QMF and zero-zone linear quantizers.
ICASSP
Cesar A. Gonzales, Ali N. Akansu
1997 J jnl
Wavelet and subband transforms: fundamentals and communication applications.
IEEE Commun. Mag.
Ali N. Akansu, Mehmet V. Tazebay, Michael J. Medley, Pankaj K. Das
1996 Misc conf
A distortion analysis and optimal design of orthogonal basis for DMT transceivers.
ICASSP
Xueming Lin, Ali N. Akansu
1996 J jnl
Multiplierless PR quadrature mirror filters for subband image coding.
IEEE Trans. Image Process.
Ali N. Akansu
1996 — conf
Orthogonal trans multiplexer: A multiuser communications platform from FDMA to CDMA.
EUSIPCO
Ali N. Akansu, Mehmet V. Tazebay
1996 — conf
Simple fast vector quantization of the line spectral frequencies.
ICSLP
Jin Zhou, Yair Shoham, Ali N. Akansu
1995 C conf
A Sliding and Variable Window Based Multitone Excision for Digital Audio Broadcasting.
ISCAS
Michael Meyer, Mehmet V. Tazebay, Ali N. Akansu
1995 Misc conf
A smart time-frequency exciser for spread spectrum communications.
ICASSP
Mehmet V. Tazebay, Ali N. Akansu
1995 J jnl
Adaptive subband transforms in time-frequency excisers for DSSS communications systems.
IEEE Trans. Signal Process.
Mehmet V. Tazebay, Ali N. Akansu
1995 C conf
Performance Analysis and Optimal Structuring of Subchannels for Discrete Multitone Transceivers.
ISCAS
Adil Benyassine, Ali N. Akansu
1995 J jnl
Subspectral modeling in filter banks.
IEEE Trans. Signal Process.
Adil Benyassine, Ali N. Akansu
1994 — conf
Progressive Optimality in Hierarchical Filter Banks.
ICIP (1)
Mehmet V. Tazebay, Ali N. Akansu
1993 J jnl
A generalized parametric PR-QMF design technique based on Bernstein polynomial approximation.
IEEE Trans. Signal Process.
Hakan Caglar, Ali N. Akansu
1993 — conf
An evaluation of time-frequency localization in transforms and filter banks.
ICASSP (3)
Yipeng Liu, Ali N. Akansu
1993 J jnl
An objective performance measure in multiresolution signal decomposition.
IEEE Trans. Signal Process.
Ali N. Akansu, Hakan Caglar, Yipeng Liu
1993 J jnl
Optimal PR-QMF Design for Subband Image Coding.
J. Vis. Commun. Image Represent.
Hakan Caglar, Yipeng Liu, Ali N. Akansu
1993 J jnl
The Binomial QMF-Wavelet Transform for Multiresolution Signal Decomposition.
IEEE Trans. Signal Process.
Ali N. Akansu, Richard A. Haddad, Hakan Caglar
1992 Misc conf
A measure of aliasing energy in multiresolution signal decomposition.
ICASSP
Ali N. Akansu, Hakan Caglar
1992 J jnl
On lapped orthogonal transforms [signal coding applications].
IEEE Trans. Signal Process.
Ali N. Akansu, Frank E. Wadas
1991 J jnl
A class of fast Gaussian binomial filters for speech and image processing.
IEEE Trans. Signal Process.
Richard A. Haddad, Ali N. Akansu
1991 J jnl
Factorization of the coefficient variance matrix in orthogonal transforms.
IEEE Trans. Signal Process.
Ali N. Akansu, Richard A. Haddad
1991 Misc conf
Tree structures for time-frequency signal analysis.
ICASSP
Ali N. Akansu, Yipeng Liu
1990 J jnl
DCT coding for motion video storage using adaptive arithmetic coding.
Signal Process. Image Commun.
Cesar A. Gonzales, L. Allman, T. McCarthy, Peter Wendt, Ali N. Akansu
1990 J jnl
On asymmetrical performance of discrete cosine transform.
IEEE Trans. Acoust. Speech Signal Process.
Ali N. Akansu, Richard A. Haddad
1990 Misc conf
Subband coding of video with adaptive vector quantization.
ICASSP
Ali N. Akansu, Manjunatha S. Kadur
1989 Misc conf
Discrete Walsh-Hadamard transform vector quantization for motion-compensated frame difference signal coding.
ICASSP
Ali N. Akansu, Manjunatha S. Kadur
1988 J jnl
A new orthogonal transform for signal coding.
IEEE Trans. Acoust. Speech Signal Process.
Richard A. Haddad, Ali N. Akansu