Selected Journal Papers

  • C. Benar and A.N. Akansu, ``Correlation Based Node Partitioning to Sparse Multilayer Perceptron," TechRxiv. Preprint. June 2023. https://doi.org/10.36227/techrxiv.23713962.v1

  • A.N. Akansu, M. Avellaneda and A. Xiong, Quant Investing in Cluster Portfolios, Journal of Investment Strategies (Risk Journals), vol. 9, no. 4, pp. 61-78, April 2021.

  • A.N. Akansu and A. Xiong, ``Eigenportfolios of US Equities for the Exponential Correlation Model," Journal of Investment Strategies (Risk Journals), vol. 9, no. 1, pp. 55-77, March 2020.

  • Y. Sun, H. Ayaz and A.N. Akansu, ``Multimodal Affective State Assessment using fNIRS + EEG and Spontaneous Facial Expression," Brain Sciences, 10, no. 2: 85, Feb. 2020.

  • A. Xiong and A.N. Akansu, ``On Sparsity of Eigenportfolios to Reduce Transaction Cost," Journal of Capital Markets Studies, vol. 3 no. 1, pp. 82-90, 2019.

  • A.N. Akansu, ``The Flash Crash: A Review," Journal of Capital Markets Studies (Invited Paper), vol. 1, no. 1, pp. 89-100, 2017.

  • A.N. Akansu, J. Cicon, S.P. Ferris, and Y. Sun, ``Firm Performance in the Face of Fear: How CEO Moods Affect Firm Performance," Journal of Behavioral Finance, vol. 18, issue 4, pp. 373-389, 2017.

  • M.U. Torun, O. Yilmaz and A.N. Akansu, ``FPGA, GPU, and CPU Implementations of Jacobi Algorithm for Eigenanalysis," Journal of Parallel and Distributed Computing (Elsevier), vol. 96, pp. 172-180, Oct. 2016.

  • Y. Wang, A.N. Akansu, K. Belfield, B. Hubbi, and X. Liu, ``Robust Motion Tracking Based on Adaptive Speckle Decorrelation Analysis of OCT Signal," Biomedical Optics Express, vol. 9, no. 11, pp. 4302-4316, Nov. 2015.

  • Y. Wang and A.N. Akansu, ``A Low-Complexity Peak-to-Average Power Ratio Reduction Method for OFDM Communications," IET Communications, vol. 9, issue 17, pp. 2153-2159, Nov. 2015.

  • O. Yilmaz and A.N. Akansu, ``Quantization of Eigen Subspace for Sparse Representation," IEEE Trans. on Signal Processing, vol. 63, no. 14, pp. 3616-3625, July 2015.

  • Y. Sun and A.N. Akansu, ``Facial Expression Recognition with Regional Hidden Markov Models," IEE Electronics Letters, vol. 50, issue 9, pp. 671-673, April 2014.

  • M.U. Torun and A.N. Akansu, ``An Efficient Method to Derive Explicit KLT Kernel for First-Order Autoregressive Discrete Process," IEEE Trans. on Signal Processing, vol. 61, no. 15, pp. 3944-3953, Aug. 2013.

  • A.N. Akansu and M.U. Torun, ``Toeplitz Approximation to Empirical Correlation Matrix of Asset Returns: A Signal Processing Perspective," IEEE Journal of Selected Topics in Signal Processing, vol. 6, no. 4, pp. 319-326, Aug. 2012.

  • M.U. Torun, A.N. Akansu and M. Avellaneda, ``Portfolio Risk in Multiple Frequencies," IEEE Signal Processing Magazine, vol. 28, no. 5, pp. 61-71, Sept. 2011.

  • A.N. Akansu, H. Agirman-Tosun, and M.U. Torun, ``Optimal Design of Phase Function in Generalized DFT," Physical Communication, Elsevier, vol. 3, issue 4, pp. 255-264, Dec. 2010.

  • A.N. Akansu and H. Agirman-Tosun, ``Generalized Discrete Fourier Transform With Nonlinear Phase," IEEE Transactions on Signal Processing, vol. 58, no. 9, pp. 4547-4556, Sept. 2010.

  • A.N. Akansu, W.A. Serdijn and I.W. Selesnick, ``Emerging Applications of Wavelets: A Review," Physical Communication, Elsevier, vol. 3, issue 1, pp. 1-18, March 2010.

  • A.N. Akansu and R. Poluri, ``Design and Performance of Spread Spectrum Karhunen-Loeve Transform for Direct Sequence CDMA Communications," IEEE Signal Processing Letters, vol. 14, pp. 900-903, Dec. 2007.

  • A.N. Akansu and R. Poluri, ``Walsh-like Nonlinear Phase Orthogonal Codes for Direct Sequence CDMA Communications," IEEE Trans. on Signal Processing, vol. 55, pp. 3800-3806, July 2007.

  • H. T. Sencar, M. Ramkumar, and A.N. Akansu, A. Sukerkar, ``Improved Utilization of Embedding Distortion in Scalar Quantization Based Data Hiding Techniques," EURASIP Signal Processing Journal, Elsevier, vol. 87, pp. 877-890, May 2007.

  • H.T. Sencar, M. Ramkumar, and A.N. Akansu, ``An Overview of Scalar Quantization Based Data Hiding Methods," EURASIP Signal Processing Journal, Elsevier, vol. 86, pp. 893-914, May 2006.

  • L. Gang, A.N. Akansu, and M. Ramkumar ``Linear and Non-Linear Oblivious Data Hiding," EURASIP Journal on Applied Signal Processing, pp. 2102-2112, Oct. 2004.

  • M. Ramkumar and A.N. Akansu, ``Optimal Design of Data Hiding Methods Robust to Lossy Compression," IEEE Trans. on Multimedia, pp. 947-951, Dec. 2004.

  • M. Ramkumar and A.N. Akansu, ``Robust Protocols for Proving Ownership of Multimedia Content," IEEE Trans. on Multimedia, pp. 469-478, June 2004.

  • M. Ramkumar and A.N. Akansu, ``Signaling for Multimedia Steganography," IEEE Trans. on Signal Processing, pp. 1100-1111, April 2004.

  • X. Cai, Y. Sun, and A.N. Akansu, ``Performance of DS-CDMA Random Access Systems with Packet Combining in Fading Channels," IEEE  Transactions on Wireless Communications, Vol. 2, No. 3, pp. 413-419, May 2003.

  • I.B. Ozer, W. Wolf and A.N. Akansu, ``A Graph Based Object Description for Information Retrieval in Digital Image and Video Libraries," Journal of Visual Communication and Image Representation, Vol. 13, pp. 425-459, 2002.

  • X. Cai, H. Ge, and A. N. Akansu, ``Blind Reduced-Rank MMSE Detector for DS-CDMA Systems," EURASIP Journal on Applied Signal Processing, Vol. 2002, No. 12, pp. 1365-1376, Dec. 2002.

  • M. Zhao, W.A. Pearlman, and A. N. Akansu, ``Performance Evaluation and Optimization of Embedded Image Sources Over Noisy Channels," IEEE Signal Processing Letters, pp. 200-203, July 2002.

  • X. Wei and A.N. Akansu, "Density Evolution for Low-Density Parity-Check Codes under Max-Log-MAP Decoding," IEE Electronics Letters, pp. 1125-1126, Vol. 37, Aug. 2001.

  • M.Ramkumar and A.N Akansu, ``Capacity Estimates for Data Hiding in Compressed Images," IEEE Trans. on Signal Processing, Vol. 10, pp. 1252-1263, Aug. 2001.

  • A.A. Alatan, M. Zhao and A.N. Akansu, ``Unequal Error Protection of SPIHT Encoded Image Bit Streams," IEEE Journal on Selected Areas in Communications, Vol. 18, pp. 814-818, June 2000.

  • A.A. Alatan, A.N. Akansu and W. Wolf, ``Multi-Modal Dialog Scene Detection Using Hidden Markov Models for Content Based Multimedia Indexing," (invited paper), International Journal on Multimedia Tools and Applications, Kluwer Academic, 2000.

  • Z. Xu, A.N. Akansu and S. Tekinay, ``Co-channel Interference Computation and Asymptotic Performance Analysis in TDMA/FDMA Systems with Interference Adaptive Dynamic Channel Allocation," IEEE Transactions on Vehicular Technology, Vol. 49, pp. 711-723, May 2000.

  • M.G. Amin and A.N. Akansu, ``Time-Frequency Techniques for Interference Excision in Spread Spectrum Communications", IEEE Signal Processing Magazine (Invited Paper), April 1999.

  • M.V. Tazebay and A.N. Akansu, ``A Performance Analysis of Interference Excision Techniques in Direct Sequence Spread Spectrum Communications," IEEE Transactions on Signal Processing, Vol. 46, pp. 2530-2535, September 1998.

  • A.N. Akansu, P. Duhamel, X. Lin and M. de Courville, "Orthogonal Transmultiplexers in Communication: A Review," IEEE Trans. On Signal Processing, Special Issue on Theory and Applications of Filter Banks and Wavelets. Vol. 46, No.4, pp. 979-995, April, 1998.

  • A.N. Akansu, M.V. Tazebay, M.J. Medley and P.K. Das, ``Wavelet and Subband Transforms: Fundamentals and Communication Applications," IEEE Communications Magazine, Vol. 35, pp. 104-115, Dec. 1997.

  • A.N. Akansu, M.V. Tazebay and R.A. Haddad, ``A New Look at Digital Orthogonal Transmultiplexers for CDMA Communications," IEEE Trans. on Signal Processing (Special Issue on Advanced Signal Processing for Communications), Vol. 45, pp. 263-267, Jan. 1997.

  • A.N. Akansu, ``Multiplierless PR-QMF for Subband Image Coding," IEEE Trans. on Image Processing, Vol. 5, pp. 1359-1363, Sept. 1996.

  • M.V. Tazebay and A.N. Akansu, ``Adaptive Subband Transforms in Time-Frequency Excisers for DSSS Communications Systems," IEEE Trans. on Signal Processing, Vol. 43, pp. 2776-2782, Nov. 1995.

  • A. Benyassine and A.N. Akansu, ``Subspectral Modelling in Filter Banks," IEEE Trans. on Signal Processing, Vol. 43, pp. 3050-3053, Dec. 1995.

  • A.N. Akansu, ``Wavelets and Filter Banks: A Signal Processing Perspective," , IEEE Circuits and Devices Magazine (Invited Paper), pp. 14-18, Nov. 1994.

  • H. Caglar, Y. Liu, and A.N. Akansu, ``Optimal PR-QMF Design for Subband Image Coding," Journal of Visual Communication and Image Representation, Vol.4, No. 3, pp. 242-253, Sept. 1993.

  • A.N. Akansu, H. Caglar, and Y. Liu, ``An Objective Performance Measure in Multiresolution Signal Decomposition," IEEE Trans. on Signal Processing, Vol. 41, No. 11, pp. 3153-3157, Nov. 1993.

  • R.A. Haddad, A.N. Akansu, and A. Benyassine, ``Time-Frequency Localization in Transforms, Subbands and Wavelets: A Critical Review," Optical Engineering, Vol. 32, No. 7, pp. 1411-1429, July 1993.

  • H. Caglar and A.N. Akansu, ``A Generalized, Parametric PR-QMF Design Technique Based on Bernstein Polynomial Approximation," IEEE Trans. on Signal Processing, Vol. 41, No. 7, pp. 2314-2321, July 1993.

  • A.N. Akansu, R.A. Haddad, and H. Caglar, "Binomial QMF-Wavelet Transform for Multiresolution Signal Decomposition," IEEE Transactions on Signal Processing, Vol. 41, No. 1, pp. 13-19, January 1993.

  • A.N. Akansu and F. Wadas, ``On Lapped Orthogonal Transforms," IEEE Transactions on Signal Processing, vol.40, pp. 439-443, Feb. 1992.

  • A.N. Akansu and Y. Liu, ``On Signal Decomposition Techniques," (Invited Paper), Optical Engineering Journal, special issue Visual Communications and Image Processing, vol.30, pp. 912-920, July 1991.

  • A.N. Akansu and R.A. Haddad, ``Factorization of the Coefficient Variance Matrix in Orthogonal Transforms," IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 39, pp. 714-718, March 1991.

  • R.A. Haddad and A.N. Akansu, ``A Class of Fast Gaussian Binomial Filters for Speech and Image Processing," IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 39, pp. 723-727, March 1991.

  • C.A. Gonzales, L. Allman, T. McCarthy, P. Wendt, A.N. Akansu, ``DCT Coding for Motion Video Storage Using Adaptive Arithmetic Coding," Image Communication, Vol. 2, pp. 145-154, August 1990.

  • A.N. Akansu and R.A. Haddad, ``On Asymmetrical Performance of Discrete Cosine Transform," IEEE Transactions on Acoustics, Speech and Signal Processing, pp. 154-156, January 1990.

  • R.A. Haddad and A.N. Akansu, ``A New Orthogonal Transform for Signal Coding," IEEE Transactions on Acoustics, Speech and Signal Processing, vol.36, no.9, pp. 1404-1411, September 1988.

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