Ali N. Akansu

Affiliations:
  • New Jersey Institute of Technology, Newark, USA


According to our database1, Ali N. Akansu authored at least 129 papers between 1988 and 2022.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Awards

IEEE Fellow

IEEE Fellow 2008, "For contributions to optimal design of transforms and filter banks for communications and multimedia security".

Timeline

Legend:

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Links

Online presence:

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Bibliography

2022
On Explainability of A Simple Classifier for AR(1) Source.
Proceedings of the 56th Annual Conference on Information Sciences and Systems, 2022

2021
Machine learning in eigensubspace for network path identification and flow forecast.
IET Commun., 2021

2019
Performance Comparison of Minimum Variance, Market and Eigen Portfolios for US Equities.
Proceedings of the 53rd Annual Conference on Information Sciences and Systems, 2019

Design of Eigenportfolios for US Equities Using Exponential Correlation Model.
Proceedings of the 53rd Annual Conference on Information Sciences and Systems, 2019

2017
Link-level interpretation of eigenanalysis for network traffic flows.
Proceedings of the 51st Annual Conference on Information Sciences and Systems, 2017

2016
Introduction to the Issue on Financial Signal Processing and Machine Learning for Electronic Trading.
IEEE J. Sel. Top. Signal Process., 2016

FPGA, GPU, and CPU implementations of Jacobi algorithm for eigenanalysis.
J. Parallel Distributed Comput., 2016

Performance analysis of eigenportfolios for AR(1) process.
Proceedings of the 2016 Annual Conference on Information Science and Systems, 2016

Symbol Alphabet Modifier for PAPR reduction in OFDM communications.
Proceedings of the 2016 Annual Conference on Information Science and Systems, 2016

2015
Quantization of Eigen Subspace for Sparse Representation.
IEEE Trans. Signal Process., 2015

Low-complexity peak-to-average power ratio reduction method for orthogonal frequency-division multiplexing communications.
IET Commun., 2015

Neural correlates of affective context in facial expression analysis: A simultaneous EEG-fNIRS study.
Proceedings of the 2015 IEEE Global Conference on Signal and Information Processing, 2015

A method to sparse eigen subspace and eigenportfolios.
Proceedings of the 18th International Conference on Information Fusion, 2015

2014
A fast derivation of Karhunen-Loeve transform kernel for first-order autoregressive discrete process.
SIGMETRICS Perform. Evaluation Rev., 2014

The power of fear: Facial emotion analysis of CEOs to forecast firm performance.
Proceedings of the 15th IEEE International Conference on Information Reuse and Integration, 2014

Automatic inference of mental states from spontaneous facial expressions.
Proceedings of the IEEE International Conference on Acoustics, 2014

2013
An Efficient Method to Derive Explicit KLT Kernel for First-Order Autoregressive Discrete Process.
IEEE Trans. Signal Process., 2013

FPGA based eigenfiltering for real-time portfolio risk analysis.
Proceedings of the IEEE International Conference on Acoustics, 2013

A novel method to derive explicit KLT kernel for AR(1) process.
Proceedings of the IEEE International Conference on Acoustics, 2013

2012
Toeplitz Approximation to Empirical Correlation Matrix of Asset Returns: A Signal Processing Perspective.
IEEE J. Sel. Top. Signal Process., 2012

Introduction to the Issue on Signal Processing Methods in Finance and Electronic Trading.
IEEE J. Sel. Top. Signal Process., 2012

A novel GPU implementation of eigenanalysis for risk management.
Proceedings of the 13th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2012

Generalized DFT waveforms for MIMO radar.
Proceedings of the IEEE 7th Sensor Array and Multichannel Signal Processing Workshop, 2012

Implementation of generalized DFT on Field Programmable Gate Array.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Generalized DFT based partial matched filter bank for doppler estimation.
Proceedings of the 46th Annual Conference on Information Sciences and Systems, 2012

Novel GPU implementation of Jacobi algorithm for Karhunen-Loève transform of dense matrices.
Proceedings of the 46th Annual Conference on Information Sciences and Systems, 2012

On toeplitz approximation to empirical correlation matrix of financial asset returns.
Proceedings of the 46th Annual Conference on Information Sciences and Systems, 2012

2011
Portfolio Risk in Multiple Frequencies.
IEEE Signal Process. Mag., 2011

Risk management for trading in multiple frequencies.
Proceedings of the IEEE International Conference on Acoustics, 2011

On Epps effect and rebalancing of hedged portfolio in multiple frequencies.
Proceedings of the 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2011

2010
Generalized discrete Fourier transform with nonlinear phase.
IEEE Trans. Signal Process., 2010

Emerging applications of wavelets: A review.
Phys. Commun., 2010

Optimal design of phase function in Generalized DFT.
Phys. Commun., 2010

Generalized Discrete Fourier Transform with optimum correlations.
Proceedings of the IEEE International Conference on Acoustics, 2010

2009
Improved correlation of Generalized DFT with nonlinear phase for OFDM and CDMA Communications.
Proceedings of the 17th European Signal Processing Conference, 2009

2008
BER performance of DS-CDMA communications for continuous phase modulation and various binary code families.
Proceedings of the 42nd Annual Conference on Information Sciences and Systems, 2008

2007
Walsh-Like Nonlinear Phase Orthogonal Codes for Direct Sequence CDMA Communications.
IEEE Trans. Signal Process., 2007

Design and Performance of Spread Spectrum Karhunen-Loeve Transform for Direct Sequence CDMA Communications.
IEEE Signal Process. Lett., 2007

Improved utilization of embedding distortion in scalar quantization based data hiding techniques.
Signal Process., 2007

2006
An overview of scalar quantization based data hiding methods.
Signal Process., 2006

New Linear Phase Orthogonal Binary Codes for Spread Spectrum Multicarrier Communications.
Proceedings of the 64th IEEE Vehicular Technology Conference, 2006

2005
Cover Noise Interference Suppression In Multimedia Data Hiding.
Int. J. Image Graph., 2005

New orthogonal binary user codes for multiuser spread spectrum communications.
Proceedings of the 13th European Signal Processing Conference, 2005

2004
Signaling methods for multimedia steganography.
IEEE Trans. Signal Process., 2004

On the design of data hiding methods robust to lossy compression.
IEEE Trans. Multim., 2004

A robust protocol for proving ownership of multimedia content.
IEEE Trans. Multim., 2004

Linear and Nonlinear Oblivious Data Hiding.
EURASIP J. Adv. Signal Process., 2004

An analysis of quantization based embedding-detection techniques.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003
Performance of CDMA random access systems with packet combining in fading channels.
IEEE Trans. Wirel. Commun., 2003

Guest editorial special issue on signal processing for data hiding in digital media and secure content delivery.
IEEE Trans. Signal Process., 2003

A new perspective for embedding-detection methods with distortion compensation and thresholding processing techniques.
Proceedings of the 2003 International Conference on Image Processing, 2003

2002
Performance evaluation and optimization of embedded image sources over noisy channels.
IEEE Signal Process. Lett., 2002

A Graph-Based Object Description for Information Retrieval in Digital Image and Video Libraries.
J. Vis. Commun. Image Represent., 2002

Blind Reduced-Rank MMSE Detector for DS-CDMA Systems.
EURASIP J. Adv. Signal Process., 2002

Improvements on data hiding for lossy compression.
Proceedings of the IEEE International Conference on Acoustics, 2002

Security and synchronization in watermark sequence.
Proceedings of the IEEE International Conference on Acoustics, 2002

2001
Capacity estimates for data hiding in compressed images.
IEEE Trans. Image Process., 2001

Multi-Modal Dialog Scene Detection Using Hidden Markov Models for Content-Based Multimedia Indexing.
Multim. Tools Appl., 2001

On parallel iterative decoding of product code.
Proceedings of the 54th IEEE Vehicular Technology Conference, 2001

Performance Analysis of CDMA Random Access Systems with Heavy-Tailed Packet Length Distribution.
Proceedings of the Sixth IEEE Symposium on Computers and Communications (ISCC 2001), 2001

Multicode CDMA downlink in shadowed multipath fading.
Proceedings of the IEEE International Conference on Communications, 2001

Set partitioning in oblivious data hiding.
Proceedings of the IEEE International Conference on Acoustics, 2001

MP3 resistant oblivious steganography.
Proceedings of the IEEE International Conference on Acoustics, 2001

Optimal Protection for Progressive Image Transmission over Noisy Channels: A General Approach.
Proceedings of the Data Compression Conference, 2001

2000
Cochannel interference computation and asymptotic performance analysis in TDMA/FDMA systems with interference adaptive dynamic channel allocation.
IEEE Trans. Veh. Technol., 2000

Unequal error protection of SPIHT encoded image bit streams.
IEEE J. Sel. Areas Commun., 2000

Mobility-based channel reservation scheme for wireless mobile networks.
Proceedings of the 2000 IEEE Wireless Communications and Networking Conference, 2000

A geocast architecture for mobile cellular networks.
Proceedings of the Networked Group Communication, 2000

A Distributed Dynamic Scheduling Algorithm for a Terabit Multicast Packet Switch.
Proceedings of the NETWORKING 2000, 2000

Robust Protocols for Proving Ownership of Images.
Proceedings of the 2000 International Symposium on Information Technology (ITCC 2000), 2000

Low-Level Motion Activity Features for Semantic Characterization of Video.
Proceedings of the 2000 IEEE International Conference on Multimedia and Expo, 2000

Optimization of Dynamic UEP Schemes for Embedded Image Sources in Noisy Channels.
Proceedings of the 2000 International Conference on Image Processing, 2000

A Robust Oblivious Watermarking Scheme.
Proceedings of the 2000 International Conference on Image Processing, 2000

Compressed Domain MPEG-2 Video Editing with VBV Requirement.
Proceedings of the 2000 International Conference on Image Processing, 2000

Floating Signal Constellations for Multimedia Steganography.
Proceedings of the 2000 IEEE International Conference on Communications: Global Convergence Through Communications, 2000

Reduced-Rank Minimum Variance Receiver for Asynchronous CDMA Systems.
Proceedings of the 2000 IEEE International Conference on Communications: Global Convergence Through Communications, 2000

A Subspace Method for Blind Channel Identification in OFDM Systems.
Proceedings of the 2000 IEEE International Conference on Communications: Global Convergence Through Communications, 2000

Dynamic UEP of embedded image bit streams over noisy channels.
Proceedings of the IEEE International Conference on Acoustics, 2000

FFT based signaling for multimedia steganography.
Proceedings of the IEEE International Conference on Acoustics, 2000

A new method for detection of watermarks in geometrically distorted images.
Proceedings of the IEEE International Conference on Acoustics, 2000

Low-rank minimum variance CDMA receiver in multipath channels.
Proceedings of the IEEE International Conference on Acoustics, 2000

Comparative analysis of hidden Markov models for multi-modal dialogue scene indexing.
Proceedings of the IEEE International Conference on Acoustics, 2000

Human Activity Detection in MPEG Sequences.
Proceedings of the Workshop on Human Motion, 2000

Comparison of different interblock data rate downlinks.
Proceedings of the Global Telecommunications Conference, 2000. GLOBECOM 2000, San Francisco, CA, USA, 27 November, 2000

A New Method for Optimal Rate Allocation for Progressive Image Transmission over Noisy Channels.
Proceedings of the Data Compression Conference, 2000

1999
On the implementation of 2-band cyclic filterbanks.
Proceedings of the 1999 International Symposium on Circuits and Systems, ISCAS 1999, Orlando, Florida, USA, May 30, 1999

A Robust Data Hiding Scheme for Images Using DFT.
Proceedings of the 1999 International Conference on Image Processing, 1999

A scalable multicast ATM switch using link sharing and prioritized link reservation.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 1999), 1999

The impact of interference and traffic load on the performance of TDMA/FDMA systems with interference adaptive dynamic channel assignment.
Proceedings of the 1999 IEEE International Conference on Communications: Global Convergence Through Communications, 1999

On the choice of transforms for data hiding in compressed video.
Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

Frames in rotated time-frequency planes.
Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

1998
A performance analysis of interference excision techniques in direct sequence spread spectrum communications.
IEEE Trans. Signal Process., 1998

Orthogonal transmultiplexers in communication: a review.
IEEE Trans. Signal Process., 1998

Performance analysis of interference adaptive dynamic channel allocation in practical TDMA/FDMA wireless networks.
Proceedings of the 9th IEEE International Symposium on Personal, 1998

Information theoretic bounds for data hiding in compressed images.
Proceedings of the Second IEEE Workshop on Multimedia Signal Processing, 1998

A Novel Performance Analysis for the Copy Network in a Multicast ATM Switch.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 1998), 1998

Nonmaximally decimated filterbank based precoder/post-equalizer for blind channel identification and optimal MMSE equalization.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

A novel time-frequency exciser in spread spectrum communications for chirp-like interference.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

A comparative performance evaluation of DMT (OFDM) and DWMT (DSBMT) based DSL communications systems for single and multitone interference.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997
A new look at digital orthogonal transmultiplexers for CDMA communications.
IEEE Trans. Signal Process., 1997

Wavelet and subband transforms: fundamentals and communication applications.
IEEE Commun. Mag., 1997

A very efficient low-bit-rate subband image/video codec using shift-only PR-QMF and zero-zone linear quantizers.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996
Multiplierless PR quadrature mirror filters for subband image coding.
IEEE Trans. Image Process., 1996

Simple fast vector quantization of the line spectral frequencies.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

A distortion analysis and optimal design of orthogonal basis for DMT transceivers.
Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

Orthogonal trans multiplexer: A multiuser communications platform from FDMA to CDMA.
Proceedings of the 8th European Signal Processing Conference, 1996

1995
Adaptive subband transforms in time-frequency excisers for DSSS communications systems.
IEEE Trans. Signal Process., 1995

Subspectral modeling in filter banks.
IEEE Trans. Signal Process., 1995

A Sliding and Variable Window Based Multitone Excision for Digital Audio Broadcasting.
Proceedings of the 1995 IEEE International Symposium on Circuits and Systems, ISCAS 1995, Seattle, Washington, USA, April 30, 1995

Performance Analysis and Optimal Structuring of Subchannels for Discrete Multitone Transceivers.
Proceedings of the 1995 IEEE International Symposium on Circuits and Systems, ISCAS 1995, Seattle, Washington, USA, April 30, 1995

A smart time-frequency exciser for spread spectrum communications.
Proceedings of the 1995 International Conference on Acoustics, 1995

1994
Progressive Optimality in Hierarchical Filter Banks.
Proceedings of the Proceedings 1994 International Conference on Image Processing, 1994

1993
A generalized parametric PR-QMF design technique based on Bernstein polynomial approximation.
IEEE Trans. Signal Process., 1993

The Binomial QMF-Wavelet Transform for Multiresolution Signal Decomposition.
IEEE Trans. Signal Process., 1993

An objective performance measure in multiresolution signal decomposition.
IEEE Trans. Signal Process., 1993

Optimal PR-QMF Design for Subband Image Coding.
J. Vis. Commun. Image Represent., 1993

Evaluation of M-band orthonormal filter banks: hierarchical and direct structures.
Proceedings of the Visual Communications and Image Processing '93, 1993

An evaluation of time-frequency localization in transforms and filter banks.
Proceedings of the IEEE International Conference on Acoustics, 1993

1992
On lapped orthogonal transforms [signal coding applications].
IEEE Trans. Signal Process., 1992

A measure of aliasing energy in multiresolution signal decomposition.
Proceedings of the 1992 IEEE International Conference on Acoustics, 1992

1991
A class of fast Gaussian binomial filters for speech and image processing.
IEEE Trans. Signal Process., 1991

Factorization of the coefficient variance matrix in orthogonal transforms.
IEEE Trans. Signal Process., 1991

Tree structures for time-frequency signal analysis.
Proceedings of the 1991 International Conference on Acoustics, 1991

1990
On asymmetrical performance of discrete cosine transform.
IEEE Trans. Acoust. Speech Signal Process., 1990

DCT coding for motion video storage using adaptive arithmetic coding.
Signal Process. Image Commun., 1990

Perfect reconstruction binomial QMF-wavelet transform.
Proceedings of the Visual Communications and Image Processing '90: Fifth in a Series, 1990

Subband coding of video with adaptive vector quantization.
Proceedings of the 1990 International Conference on Acoustics, 1990

1989
Discrete Walsh-Hadamard transform vector quantization for motion-compensated frame difference signal coding.
Proceedings of the IEEE International Conference on Acoustics, 1989

1988
A new orthogonal transform for signal coding.
IEEE Trans. Acoust. Speech Signal Process., 1988


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