Ali Akansu

Ali Naci Akansu (born May 6, 1958) is a Turkish-American electrical engineer and scientist. He is best known for his seminal contributions to the theory and applications of linear subspace methods including sub-band and wavelet transforms, particularly the binomial QMF[1] and the statistically optimized filter bank[2], which he developed in 1990 and 1991, respectively.

Biography

Akansu received his B.S. degree from the Istanbul Technical University, Turkey, in 1980, his M.S. and PhD degrees from the Polytechnic University, Brooklyn, New York, in 1983 and 1987, respectively, all in Electrical Engineering. Since 1987, he has been with the New Jersey Institute of Technology where he is a Professor of Electrical and Computer Engineering. He was a Visiting Professor at Courant Institute of Mathematical Sciences of the New York University, 2009–2010.

In 1990, he showed that the binomial quadrature mirror filter bank (binomial QMF) is identical to the Daubechies wavelet filter, and interpreted and evaluated its performance from a discrete-time signal processing perspective.[3][4] He organized the first wavelets conference in the United States at NJIT in April 1990,[5] and, then in 1992[6] and 1994.[7] He published the first wavelets-related engineering book in the literature entitled Multiresolution Signal Decomposition: Transforms, Subbands and Wavelets.[8]

He made contributions in the areas of optimal filter banks,[9][10] nonlinear phase extensions of discrete Walsh-Hadamard transform[11] and discrete Fourier transform,[12] principal component analysis of first-order autoregressive process,[13] sparse approximation,[14] financial signal processing and quantitative finance.[15][16] [17] His publications include the books A Primer for Financial Engineering: Financial Signal Processing and Electronic Trading[18] and Financial Signal Processing and Machine Learning.[19]

He was a founding director of the New Jersey Center for Multimedia Research (NJCMR), 1996–2000, and NSF Industry-University Cooperative Research Center (IUCRC) for Digital Video, 1998–2000. He was the vice president for research and development of the IDT Corporation, 2000–2001, the founding president and CEO of PixWave, Inc. (an IDT subsidiary) that has built the technology for secure peer-to-peer video distribution over the Internet. He was an academic visitor at David Sarnoff Research Center (Sarnoff Corporation), at IBM's Thomas J. Watson Research Center, and at Marconi Electronic Systems.

He is an IEEE Fellow (since 2008) with the citation for contributions to optimal design of transforms and filter banks for communications and multimedia security.[20]

According to the Mathematics Genealogy Project, as of August 2020, Akansu had a total of 23 doctorate students.[21]

Selected works
  • Akansu, Ali N.; Haddad, Richard A. (1992), Multiresolution Signal Decomposition: Transforms, Subbands, and Wavelets, Boston, MA: Academic Press, ISBN 978-0-12-047141-6
  • Akansu, Ali N.; Smith, Mark J. T. (1996), Subband and Wavelet Transforms: Design and Applications, Boston: Kluwer Academic Publishers, ISBN 978-0-7923-9645-1
  • Akansu, Ali N.; Medley, Michael J. (1999), Wavelet, Subband, and Block Transforms in Communications and Multimedia, Boston: Kluwer Academic Publishers, ISBN 978-0-7923-8507-3
  • Sencar, Husrev T.; Mahalingam Ramkumar; Akansu, Ali N. (2004), Data Hiding Fundamentals and Applications: Content Security in Digital Multimedia, Boston, MA: Academic Press, ISBN 978-0-12-047144-7
  • Akansu, Ali N.; Torun, Mustafa U. (2015), A Primer for Financial Engineering: Financial Signal Processing and Electronic Trading, Boston, MA: Academic Press, ISBN 978-0-12-801561-2
  • Akansu, Ali N.; Kulkarni, Sanjeev R.; Malioutov, Dmitry M., Eds. (2016), Financial Signal Processing and Machine Learning, Hoboken, NJ: Wiley-IEEE Press, ISBN 978-1-118-74567-0
gollark: It's on an ancient 7200RPM SAS disk.
gollark: My server's only got 4GB of RAM and... maybe 4 of swap, IIRC?
gollark: Are you a fellow `fish` user?
gollark: ```osmarks@fenrir ~> uptime 20:07:57 up 5 days, 23:23, 0 users, load average: 2.48, 2.27, 2.20```
gollark: Mostly I just do suspend-to-RAM and occasionally do an actual reboot for kernel updates.

References
  1. A.N. Akansu, An Efficient QMF-Wavelet Structure (Binomial-QMF Daubechies Wavelets), Proc. 1st NJIT Symposium on Wavelets, April 1990.
  2. H. Caglar, Y. Liu and A.N. Akansu, "Statistically Optimized PR-QMF Design," Proc. SPIE Visual Communications and Image Processing, pp. 86–94, vol. 1605, Boston, Nov. 1991.
  3. A.N. Akansu, R.A. Haddad and H. Caglar, Perfect Reconstruction Binomial QMF-Wavelet Transform, Proc. SPIE Visual Communications and Image Processing, pp. 609–618, vol. 1360, Lausanne, Sept. 1990.
  4. A.N. Akansu, R.A. Haddad and H. Caglar, The Binomial QMF-Wavelet Transform for Multiresolution Signal Decomposition, IEEE Trans. Signal Process., pp. 13–19, January 1993.
  5. 1st NJIT Symposium on Wavelets, April 1990
  6. 2nd NJIT Symposium on Wavelets, March 1992
  7. 3rd NJIT Symposium on Wavelets, March 1994
  8. Akansu, Ali N.; Haddad, Richard A. (1992), Multiresolution Signal Decomposition: Transforms, Subbands, and Wavelets, Boston, MA: Academic Press, ISBN 978-0-12-047141-6
  9. H. Caglar, Y. Liu and A.N. Akansu, "Statistically Optimized PR-QMF Design," Proc. SPIE Visual Communications and Image Processing, pp. 86–94, vol. 1605, Boston, Nov. 1991.
  10. H. Caglar and A.N. Akansu, "A Generalized Parametric PR-QMF Design Technique Based on Bernstein Polynomial Approximation," IEEE Trans. Signal Process., pp. 2314–2321, July 1993.
  11. A.N. Akansu and R. Poluri, "Walsh-Like Nonlinear Phase Orthogonal Codes for Direct Sequence CDMA Communications," IEEE Trans. Signal Process., vol. 55, no. 7, pp. 3800–3806, July 2007.
  12. A.N. Akansu and H. Agirman-Tosun, "Generalized Discrete Fourier Transform: Theory and Design Methods," Proc. IEEE Sarnoff Symposium, pp. 1–7, March 2009
  13. M.U. Torun and A.N.Akansu, "An Efficient Method to Derive Explicit KLT Kernel for First-Order Autoregressive Discrete Process," IEEE Transactions on Signal Processing, vol. 61, no. 15, pp. 3944–3953, Aug. 2013.
  14. O. Yilmaz and A.N.Akansu, "Quantization of Eigen Subspace for Sparse Representation," IEEE Transactions on Signal Processing, vol. 63, no. 14, pp. 3616–3625, 15 July 2015.
  15. 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.
  16. 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.
  17. A.N. Akansu and A. Xiong, "Eigenportfolios of US Equities for the Exponential Correlation Model," Journal of Investment Strategies (Risk.net), pp. 55–77, Aug. 2020.
  18. Akansu, Ali N.; Torun, Mustafa U. (2015), A Primer for Financial Engineering: Financial Signal Processing and Electronic Trading, Boston, MA: Academic Press, ISBN 978-0-12-801561-2
  19. Akansu, Ali N.; Kulkarni, Sanjeev R.; Malioutov, Dmitry M., Eds. (2016), Financial Signal Processing and Machine Learning, Hoboken, NJ: Wiley-IEEE Press, ISBN 978-1-118-74567-0
  20. http://www.ieee.org/membership_services/membership/fellows/chronology/fellows_2008.html Archived 13 April 2010 at the Wayback Machine IEEE: Fellow Class of 2008
  21. http://genealogy.math.ndsu.nodak.edu/id.php?id=74955 Mathematics Genealogy Project : Ali Naci Akansu
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