P. P. Vaidyanathan
Email contact:
ppvnath@systems.caltech.edu
 P. P. Vaidyanathan and S. K. Mitra, ``On the construction
of a digital transfer function from its real part on the unit
circle,'' Proc. of the IEEE, vol. 70, pp. 198199, February 1982 ( correspondence item ).
 P. P. Vaidyanathan and S. K. Mitra, ``Low
passband sensitivity digital filters: A generalized viewpoint
and synthesis procedures,'' Proceedings of the IEEE, vol. 72,
pp. 404423, April 1984.
 A. Kundu, S. K. Mitra and and P. P. Vaidyanathan,
``Application of twodimensional generalized mean filtering
for removal of impulse noise from images,'' IEEE Trans. on
Acoustics, Speech and Signal Processing, vol. ASSP32, pp. 600609,
June 1984.
 P. P. Vaidyanathan, ``On maximally flat linear phase
FIR filters,''
IEEE Trans. on Circuits and Systems, vol. CAS31,
pp. 830832, September 1984
( correspondence item ).
 P. P. Vaidyanathan, ``On error spectrum shaping
in state space digital filters,'' IEEE Trans. on Circuits and Systems,
vol. CAS32, pp. 8892, January 1985.
 P. P. Vaidyanathan, ``The doubly terminated lossless
digital twopair in digital filtering,'' IEEE Trans. on Circuits
and Systems, vol. CAS32, pp. 197200, February 1985.
 P. P. Vaidyanathan, ``Efficient and multiplierless
design of FIR filters with very sharp cutoff via
maximally flat building blocks,'' IEEE Trans. on Circuits and
Systems, vol. CAS32, pp. 236244, March 1985.
 P. P. Vaidyanathan and S. K. Mitra, ``Passivity
properties of lowsensitivity digital filter structures,''
IEEE Trans. on Circuits and Systems, vol. CAS32, pp. 217224,
March 1985.
 P. P. Vaidyanathan and S. K. Mitra, ``Very low sensitivity FIR
filter implementation using structural passivity
concept,'' IEEE Trans. on Circuits and Systems, vol. CAS32,
pp. 360364, April 1985.
 P. P. Vaidyanathan, ``A general theorem for degreereduction of a
digital BR function,'' IEEE Trans. on Circuits and Systems,
vol. CAS32, pp. 414415, April 1985
( correspondence item ).
 P. P. Vaidyanathan and G. Beitman,
``On prefilters for digital FIR filter design,''
IEEE Trans. on Circuits and Systems, vol. CAS32, pp. 494499, May 1985
( correspondence item ).
 P. P. Vaidyanathan, ``A unified approach
to orthogonal digital filters and wave digital filters, based
on LBR twopair extraction,''
IEEE Trans. on Circuits and Systems, vol. CAS32,
pp. 673686, July 1985.
 S. K. Mitra, P. P. Vaidyanathan and
B. D. O. Anderson, ``A general theory and synthesis procedure
for low sensitivity active RC filters,'' IEEE Trans. on
Circuits and Systems, vol. CAS32, pp. 687699, July 1985.
 P. P. Vaidyanathan, ``Optimal design of
linearphase FIR digital filters with very flat passbands
and equiripple stopbands,'' IEEE Trans. on Circuits and Systems,
vol. CAS32, pp. 904917, September 1985.
 P. P. Vaidyanathan , ``The discretetime
bounded real lemma in digital filtering,'' IEEE Trans. on
Circuits and Systems, vol. CAS32, pp. 918924, September 1985.
 P. P. Vaidyanathan and S. K. Mitra, ``A general family of
multivariable digital lattice filters,'' IEEE Trans. on Circuits and
systems, vol. CAS32, pp. 12341245, Dec. 1985.
 P. P. Vaidyanathan, ``On power complementary FIR
filters,'' IEEE Trans. on Circuits and Systems, vol. CAS32,
pp. 13081310, Dec. 1985.
 P. P. Vaidyanathan and S. K. Mitra, ``Synthesis of arbitrary
digital transfer functions using allpassbased structures
derived via LBR twopair extraction procedure,''
Circuits, Systems and Signal Processing, vol. 5, No. 3, pp. 343370,
1986.
 P. P. Vaidyanathan and S. K. Mitra, ``Discrete version of Richards'
theorem and applications to cascaded lattice realization of digital filter
transfer matrices and functions,'' IEEE Trans. on Circuits and Systems,
vol. CAS33, pp. 2634, Jan 1986.
 P. P. Vaidyanathan, S. K. Mitra and Y. Neuvo, ``A new approach to the
realization of low sensitivity IIR digital filters,'' IEEE Trans. on
Acoustics, Speech and Signal Processing, vol. ASSP34, pp. 350361, April
1986.
 P. P. Vaidyanathan, ``Passive cascaded lattice structures for low
sensitivity FIR filter design, with applications to filter banks,'' IEEE
Trans. on Circuits and Systems, vol. CAS33, pp. 10451064, Nov. 1986.
 K. Swaminathan and P. P. Vaidyanathan, ``Theory and design of uniform
DFT, parallel, quadrature mirror filter banks,'' IEEE Trans. on Circuits
and Systems, vol. CAS33, pp. 11701191, Dec. 1986.
 P. P. Vaidyanathan, ``A note on general parallel QMF banks,'' IEEE
Trans. on Circuits and Systems, vol. 34, pp. 101103, Jan 1987.
 P. P. Vaidyanathan and T. Q. Nguyen, ``Eigenfilters: a new approach
to least squares FIR filter design and applications including Nyquist
filters,'' IEEE Trans. on Circuits and Systems,vol. 34,
pp. 1123, January 1987.
 P. P. Vaidyanathan and T. Q. Nguyen, ``A `trick' for the design of
FIR halfband filters,'' IEEE Trans. on Circuits and Systems, vol.
34, pp. 297300, March 1987.
 P. P. Vaidyanathan and Vincent Liu, ``An improved sufficient
condition for absence of limit cycles in digital filters,'' IEEE
Trans. on Circuits and Systems, vol. 34, pp. 319322, March 1987.
 P. P. Vaidyanathan, ``Theory and design of Mchannel maximally
decimated quadrature mirror filters with arbitrary M, having
perfect reconstruction property,''IEEE Trans. on Acoustics, Speech and
Signal Processing,vol. 35, pp. 476492, April 1987.
 P. P. Vaidyanathan and Sanjit K. Mitra, ``A unified structural
interpretation of some wellknown stability test procedures for linear
systems,'' Proceedings of the IEEE,vol. 75, pp. 478497, April
1987.
 P. P. Vaidyanathan, P. Regalia and S. K. Mitra, ``Design of doubly
complementary IIR digital filters using a single complex allpass filter,
with multirate applications,''IEEE Trans. on Circuits and Systems,
vol. 34, pp. 378389 April 1987.
 P. P. Vaidyanathan, ``Quadrature mirror filter banks, Mband
extensions and perfectreconstruction techniques,''IEEE ASSP magazine,
vol. 4, pp. 420, July 1987.
 P. P. Vaidyanathan, ``On predicting a bandlimited signal based on
past sample values,'' Proc. of the IEEE,vol. 75, pp. 11251127,
August 1987.
 P. P. Vaidyanathan,``Perfect reconstruction QMF banks for two
dimensional applications,''IEEE Trans. on Circuits and Systems,
vol. 34, pp. 976978, Aug. 1987.
 P. P. Vaidyanathan and K. Swaminathan, ``Alias free, real coefficient
mband QMF banks for arbitrary m,'' IEEE Trans. on
Circuits and Systems, vol. 34, pp. 14851496, Dec. 1987.
 P. A. Regalia, P. P. Vaidyanathan, M. Renfors, Y. Neuvo, and
S. K. Mitra, `Treestructured complementary filter banks using allpass
sections,''IEEE Trans. on Circuits and Systems,vol. 34,
pp. 14701484, Dec. 1987.
 Zinnur Doganata and P. P. Vaidyanathan, ``On onemultiplier
implementations of FIR ttice structures,''IEEE Trans. on Circuits and
Systems,vol. 34, pp. 16081609, Dec. 1987.
 P. P. Vaidyanathan and PhuongQuan Hoang,
``Lattice structures for optimal design and robust implementation
of twochannel perfect reconstruction QMF banks,''
IEEE Trans. on Acoustics, Speech and Signal
Processing, vol. 36, pp. 8194, January 1988.
 P. A. Regalia, S. K. Mitra and P. P. Vaidyanathan,
``The digital allpass filter: a versatile signal processing
building block,'' Proc. of the IEEE, pp. 1937, January 1988.
 P. P. Vaidyanathan and S. K. Mitra,
``Polyphase networks, block digital filtering, LPTV systems, and aliasfree
QMF banks: a unified approach based on pseudocirculants,''
IEEE Trans. on Acoustics, Speech and Signal
Proc., vol. 36, pp. 381391, March 1988.
 T. Q. Nguyen and P. P. Vaidyanathan,
``Maximally decimated perfectreconstruction FIR filter banks
with pairwise mirrorimage analysis (and synthesis) frequency
responses,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 36, pp. 693706, May 1988.
 Vincent C. Liu and P. P. Vaidyanathan,
``Circulant and skewcirculant matrices as new normalform
realization of IIR digital filters,''
IEEE Trans. on Circuits and Systems, vol. 35, pp. 625635, June 1988.
 P. P. Vaidyanathan and Vincent C. Liu,
``Classical sampling theorems in the context of multirate
and polyphase digital filter bank structures,''
IEEE Trans. on Acoustics, Speech and Signal
Proc., vol. 36, pp. 14801495, Sept. 1988.
 P. A. Regalia, S. K. Mitra, and P. P. Vaidyanathan,
``Bounded complex and lossless bounded complex transfer functions
and their applications,''
Journal of the Institution of Electronics and Telecomm. Engineers,
India, vol. 34, pp. 375382, Sept.Oct. 1988.
 V. C. Liu and P. P. Vaidyanathan,
``Compression of twodimensional bandlimited signals
using subsampling theorems,''
Journal of the Institution of Electronics and Telecomm. Engineers,
India, vol. 34, pp. 416422, Sept.Oct. 1988.
 P. P. Vaidyanathan, Zinnur Doganata and Truong Q. Nguyen,
``General synthesis procedures for FIR lossless transfer matrices
for perfectreconstruction multirate filter bank applications,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 36, pp. 15611574, Oct. 1988.
 T. Q. Nguyen and P. P. Vaidyanathan,
``Twochannel perfect reconstruction FIR QMF structures
which yield linearphase analysis and synthesis filters,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 37, pp. 676690, May 1989.
 P. P. Vaidyanathan, T. Q. Nguyen, Z. Doganata
and T. Saramaki, ``Improved technique for design of perfect
reconstruction FIR QMF banks with lossless polyphase matrices,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 37, pp. 10421056, July 1989.
 P. P. Vaidyanathan and Z. Doganata,
``The role of lossless systems in modern digital signal processing:''
A tutorial,''
IEEE Trans. on Education (special issue on Circuits and Systems),
pp. 181197,
August 1989.
 P. P. Vaidyanathan,
``Multirate digital filters, filter banks, polyphase
networks, and applications: A tutorial,''
Proceedings of the IEEE, vol. 78, pp. 5692, Jan. 1990.
Paper
 P. P. Vaidyanathan,
``Derivation of new and existing discretetime
Kharitonov theorems based on discretetime reactances,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 38, pp. 277285, Feb. 1990.
 R. D. Koilpillai and P. P. Vaidyanathan,
``On arbitrarylevel IIR and FIR filters,''
IEEE Trans. on Circuits and Systems, vol. 37, pp. 280284, Feb. 1990.
 T. Q. Nguyen and P. P. Vaidyanathan,
``Structures for $M$channel perfect reconstruction FIR QMF
banks which yield linearphase analysis filters,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 38, pp. 433446, Mar. 1990.
 V. C. Liu and P. P. Vaidyanathan,
``On factorization of a subclass of 2D digital FIR lossless matrices
for 2D QMF bank applications,''
IEEE Trans. on Circuits and Systems, vol. 37, pp. 852854.
June, 1990.
 P. P. Vaidyanathan and V. C. Liu,
``Efficient reconstruction of bandlimited sequences from nonuniformly
decimated versions, by use of polyphase filter banks,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 38, pp. 19271936, Nov. 1990.
 P. P. Vaidyanathan, ``Fundamentals of multidimensional
multirate digital signal processing,''
Sadhana, Indian Academy of Sciences, pp. 157176, Nov. 1990.
 Z. Doganata and P. P. Vaidyanathan,
``Minimal structures for the implementation of digital rational
lossless systems,''
IEEE Trans. on Acoustics, Speech and Signal Processing,
vol. 38, pp. 20582074, Dec. 1990.
 T. Chen and P. P. Vaidyanathan,
``Multidimensional multirate filters derived from one dimensional
filters,'' Electronics letters, vol. 27, pp. 225228, January 1991.
 P. P. Vaidyanathan, ``On coefficientquantization and computational
roundoff effects in lossless multirate filter banks,'' IEEE Trans. on
Acoustics, Speech and Signal Processing, vol. 39, pp. 10061008, April
1991.
 R. D. Koilpillai, T. Q. Nguyen, and P. P. Vaidyanathan,
``Some results in the theory of crosstalk free transmultiplexers,'' IEEE
Trans. on Acoustics, Speech and Signal Processing, vol. 39, pp. 21742183,
Oct. 1991.
 R. D. Koilpillai, and P. P. Vaidyanathan,
``Cosinemodulated FIR filter banks satisfying perfect reconstruction,''
IEEE Trans. on Signal Processing,
vol. 40, pp. 770783, April 1992.
 R. D. Koilpillai, and P. P. Vaidyanathan, ``A spectral
factorization approach to pseudo QMF design,'' IEEE Trans. on Signal
Processing, vol. ASSP41, pp. 8292, Jan. 1993.
 V. Sathe and P. P. Vaidyanathan, ``Effects of multirate systems on
the statistical properties of random signals,'' IEEE Trans. on Signal
Processing, vol. ASSP41, pp. 131146, Jan 1993.
 T. Chen and P. P. Vaidyanathan, ``The role of integer matrices in
multidimensional multirate systems,'' IEEE Trans. Signal Proc.,
vol. SP41, pp. 10351047, Mar 1993.
 A. K. Soman and P. P. Vaidyanathan, ``On orthonormal wavelets and
paraunitary filter banks,'' IEEE Trans. on Signal Processing, vol.
SP41, pp. 11701183, Mar 1993.
 T. Chen and P. P. Vaidyanathan, ``Recent developments in
multidimensional multirate systems,'' IEEE Trans. Circuits and Systems
for Video Technology, pp. 116137, April 1993.
 T. Chen and P. P. Vaidyanathan, ``Multidimensional multirate
filters and filter banks derived from one dimensional filters,'' IEEE
Trans. Signal Proc., vol. SP41, pp. 17491765, May 1993.
 A. K. Soman and P. P. Vaidyanathan, ``Coding gain in paraunitary
analysis/synthesis systems,'' IEEE Trans. on Signal Processing, vol.
SP41, pp. 18241835, May 1993.
 P. P. Vaidyanathan, ``Orthonormal and biorthogonal filterbanks as
convolvers, and convolutional coding gain'' IEEE Trans. Signal Proc.,
vol. SP41, pp. 21102130, June 1993.
 A. K. Soman, P. P. Vaidyanathan, and T. Q. Nguyen, ``Linear phase
paraunitary filter banks: theory, factorizations and designs,'' IEEE
Trans. Signal Proc., vol. SP41, pp. 34803496, Dec. 1993.
 T. Chen and P. P. Vaidyanathan,
``Vector space framework for unification of
one and multidimensional filter bank theory,''
IEEE Trans. Signal Proc., vol. SP42, pp. 20062021, Aug. 1994.
 A. K. Soman and P. P. Vaidyanathan,
``Generalized polyphase representation and application to
coding gain enhancement,''
IEEE Trans. Circuits and Systems, II, vol. CAS41, pp. 627630, Sept. 1994.
 I. Djokovic and P. P. Vaidyanathan,
``Results on biorthogonal filter banks,''
Applied and computational harmonic analysis,
vol. 1, pp. 329343, 1994.
 YuanPei Lin, SeeMay Phoong, and P. P. Vaidyanathan,
``New results on multidimensional chinese remainder theorem'',
IEEE Signal Proc. Letters, pp. 176178, Nov. 1994.
 YuanPei Lin and P. P. Vaidyanathan,
``On the application of underdecimated filter banks'',
JPL TDA progress report no. 42119, NASA, pp. 105128, Nov. 1994.
 SM. Phoong and P. P. Vaidyanathan,
``One and two level filter bank convolvers,''
IEEE Trans. Signal Proc., vol. SP43, pp. 116133, Jan. 1995.
 SM. Phoong, C. W. Kim, P. P. Vaidyanathan,
and R. Ansari,
``A new class of twochannel biorthogonal filter banks and
wavelet bases,''
IEEE Trans. Signal Proc., vol. SP43, pp. 649665, March 1995.
 A. K. Soman and P. P. Vaidyanathan,
``A complete factorization of paraunitary matrices
with pairwise mirrorimage symmetry in the
frequency domain,''
IEEE Trans. Signal Proc., vol. SP43, April 1995.
 P. P. Vaidyanathan and T. Chen,
``Role of anticausal inverses in multirate filter
banks  Part I: system theoretic fundamentals'',
IEEE Trans. Signal Proc., vol. SP43, May 1995.
 P. P. Vaidyanathan and T. Chen,
``Role of anticausal inverses in multirate filter
banks  Part II: the FIR case, factorizations,
and biorthogonal lapped transforms'',
IEEE Trans. Signal Proc., vol. SP43, May 1995.
 YuanPei Lin and P. P. Vaidyanathan,
``Linear phase cosine modulated maximally decimated filter
banks with perfect reconstruction'',
IEEE Trans. Signal Proc., vol. SP42, pp. 25252539, Nov. 1995.
 YuanPei Lin and P. P. Vaidyanathan,
``A review of two dimensional nonseparable filter bank design
techniques'', Multidimensional systems and signal processing, 7,
pp. 263330, 1996.
 IgorDjokovic and P. P. Vaidyanathan,
``On optimal analysis/synthesis filters for coding gain
maximization'',
IEEE Trans. Signal Proc., vol. SP44, pp. 12761279, May 1996.
 YuanPei Lin and P. P. Vaidyanathan,
``Theory and design of twoparallelogram filter banks,''
IEEE Trans. Signal Proc., vol. SP11, pp. 26882706, Nov. 1996.
 YuanPei Lin and P. P. Vaidyanathan,
``On the study of fourparallelogram filter banks,''
IEEE Trans. Signal Proc., vol. SP11, pp. 27072717, Nov. 1996.
 SeeMay Phoong and P. P. Vaidyanathan,
``Timevarying filters and filter banks: some basic principles'',
IEEE Trans. Signal Proc., vol. SP44, pp. 29712987, Dec. 1996.
 Ahmet Kirac and P. P. Vaidyanathan,
``Results on lattice vector quantization with dithering'',
IEEE Trans. Circuits and Systems, II, vol. CAS43, pp. 811826, Dec. 1996.
 Jamal Tuqan and P. P. Vaidyanathan,
``Oversampling PCM techniques and optimum noise shapers for quantizing a
class of nonbandlimited signals, IEEE Trans. on Signal Proc., 1996.
 P. P. Vaidyanathan and T. Chen,
``Structures for anticausal inverses in multirate filter banks'',
to appear in the IEEE Trans. on Signal Proc., 1997.
 Igor Djokovic and P. P. Vaidyanathan,
``Generalized sampling theorems in multiresolution subspaces'',
IEEE Trans. Signal Proc., vol. SP45, pp. 583599, March 1997.
 P. P. Vaidyanathan, Jamal Tuqan, and Ahmet Kirac,
``On the minimumphase property of predictionerror polynomials'',
IEEE Signal Processing Letters, vol. 4, pp. 126127, May 1997.
 SeeMay Phoong and P. P. Vaidyanathan,
``Paraunitary filter banks over finitefields'',
IEEE Trans. Signal Proc., vol. SP45, pp. 14431457, June 1997.
 SeeMay Phoong and P. P. Vaidyanathan,
``Factorability of lossless timevarying filters and filter banks'',
IEEE Trans. Signal Proc., vol. SP45, pp. 19711986, August 1997.
 Jamal Tuqan and P. P. Vaidyanathan,
``Statistically optimum preand post filtering in quantization,
IEEE Trans. on Circuits and Systems, II, vol. 44, pp. 10151031,
Dec. 1997.
 P. P. Vaidyanathan and Ahmet Kirac,
``Cyclic LTI systems in digital signal processing",
IEEE Trans. on Signal
Proc., submitted 1997.
 P. P. Vaidyanathan,
``Theory of optimal orthonormal subband coders'',
IEEE Trans. on Signal Processing, accepted 1997.

P. P. Vaidyanathan and T. Chen,
``Structures for anticausal inverses in multirate filter banks'',
IEEE Trans. Signal Proc., vol. SP46, pp. 508514, Feb. 1998.

YP. Lin and P. P. Vaidyanathan,
``Periodically nonuniform sampling of bandpass signals'',
IEEE Trans. Circuits and Systems II, vol. 45, pp. 340351, March 1998.

Ahmet Kirac and P. P. Vaidyanathan,
``Theory and design of optimum FIR compaction filters'',
IEEE Trans. on Signal
Proc., to appear in the special issue on Theory and Applications
of Filter Banks and Wavelets, 1998.

YP. Lin and P. P. Vaidyanathan,
``A Kaiser window approach for the design of prototype filters of
cosine modulated filter banks'',
IEEE Signal Proc. Letters, vol. 5, pp. 132134, June 1998.

P. P. Vaidyanathan,
``Theory of optimal orthonormal subband coders'',
IEEE Trans. Signal Proc., vol. SP. 46, pp. 15281543, June 1998.

P. P. Vaidyanathan and A. Kirac,
``Results on optimal biorthogonal filter banks'',
IEEE Trans. Circuits and Systems II., vol. 45, pp. 932947, 1998.

P. P. Vaidyanathan and A. Kirac,
``Cyclic LTI systems in digital signal processing'',
{ IEEE Trans. Signal Processing,} vol. 47, pp. 433447, Feb. 1999.

J. Tuqan and P. P. Vaidyanathan,
``Oversampling PCM techniques and optimum noise shapers for
quantizing a class of nonbandlimited signals'',
{ IEEE Trans. SP} vol. 47, pp. 389407, Feb. 1999.

P. P. Vaidyanathan,
``Homogeneous TimeVariant systems'',
{ IEEE Signal Proc. Letters,} vol. 6, pp. 7677, April, 1999.

J. Tuqan and P. P. Vaidyanathan,
``Globally optimal FIR energy compaction filters,''
IEEE Trans. Signal Processing, submitted.
 S. Akkarakaran and P. P. Vaidyanathan,
``Bifrequency and bispectrum maps: a new look at
multirate systems with stochastic inputs,''
IEEE Trans. Signal Processing, vol. 48, pp. 723736, March 2000.

M. Mese and P. P. Vaidyanathan,
``Digital halftoning of images using dot diffusion,''
IEEE Trans. Image Processing, April 2000.

M. Mese and P. P. Vaidyanathan,
``Look Up Table (LUT) Method
for Inverse Halftoning,''
IEEE Transactions on Image Processing.

M. Mese and P. P. Vaidyanathan,
``Treestructured Method for LUT inverse
halftoning and for image halftoning,''
IEEE Transactions on Image Processing.

S. Akkarakaran and P. P. Vaidyanathan,
``Filter bank optimization with convex objectives, and the
optimality of principal component forms,''
IEEE Trans. Signal Processing, vol. 49, pp. 100114, Jan. 2001.
Paper

S. Akkarakaran and P. P. Vaidyanathan,
``Results on principal component filter banks:
colored noise suppression and existence issues,''
IEEE Trans. Information Theory, vol. 47, pp. 10031020, March 2001.
Paper
 P. P. Vaidyanathan and S. Akkarakaran,
``A review of the theory and applications of principal component filter banks,''
Applied and Computational Harmonic Analysis
(invited paper), vol. 10, no. 3, pp. 254289, May 2001. Paper
 P. P. Vaidyanathan, ``Filter Banks in Digital Communications," IEEE Circuits and Systems
Magazine, vol. 1, no. 2, second quarter 2001. Paper
 P. P. Vaidyanathan and B. Vrcelj,
``Biorthogonal partners and applications,'' IEEE Trans.
Signal Processing, vol. 49(5), pp. 10131028, May 2001.
Paper

A. Tkacenko and P. P. Vaidyanathan, ``The role of filter banks in
sinusoidal frequency estimation,'' Journal of the Franklin Institute
(invited paper), vol. 338, no. 5, pp. 517547, Aug. 2001.
Paper
 P. P. Vaidyanathan,
``Generalizations of the sampling theorem: Seven decades after Nyquist,'' IEEE
Trans. Circuits and Systems  1, vol. 48(9), pp. 10941109, Sep. 2001. Paper
 B. Vrcelj and P. P. Vaidyanathan,
``Efficient implementation of all digital interpolation,'' IEEE Trans.
Image Processing, vol. 10(11), pp. 163946, Nov. 2001. Paper
 M. Mese and P. P. Vaidyanathan,
``Properties of Improved Dot Diffusion for Image Halftoning,''
Journal of Imaging Science and Technology, vol. 45(3), pp. 291296, MayJun. 2001.
Paper
Paper
 B. Vrcelj and P. P. Vaidyanathan,
``MIMO biorthogonal partners and applications,'' IEEE Trans. Signal
Processing, vol. 50(3), pp. 52842, Mar. 2002. Paper

P. P. Vaidyanathan, Y.P. Lin, S. Akkarakaran and S.M. Phoong, ``Discrete
multitone modulation with principal component filter banks,'' IEEE
Trans. Circuits and Systems  1, vol. 49, pp. 13971412, Oct. 2002. Paper
 A. Tkacenko and P. P. Vaidyanathan, ``A lowcomplexity
eigenfilter design method for channel shortening equalizers for DMT
systems,'' IEEE Trans. Commun., vol. 51(7), pp. 10691072, Jul. 2003. Paper
 B. Vrcelj and P. P. Vaidyanathan, ``Fractional biorthogonal partners
in channel equalization and signal interpolation,'' IEEE Trans. Signal
Processing, vol. 51(7), July, 2003. Paper
 A. Tkacenko and P. P. Vaidyanathan, ``On the eigenfilter design
method and its applications: a tutorial,'' IEEE Trans. Signal Processing,
vol. 50(9), pp. 497517, Sep. 2003. Paper
 B. Vrcelj and P. P. Vaidyanathan, ``Equalization with oversampling
in multiuser CDMA systems,'' IEEE Trans. Signal Processing, in print. Paper
 P. P. Vaidyanathan and ByungJun Yoon, ``The Role of SignalProcessing Concepts in Genomics and Proteomics'',
Journal of the Franklin Institute (invited paper), Special Issue on Genomics, 2004 (to appear)
Paper
 P. P. Vaidyanathan, ``Genomics and proteomics: a signal processor's tour'',
IEEE Circuits and Systems Magazine, Jan. 2005.
Paper
 ByungJun Yoon and P. P. Vaidyanathan, ``A multirate DSP model for estimation of discrete probability density functions'',
IEEE Transactions on Signal Processing, Jan. 2005.
Paper
 B. Vrcelj and P. P. Vaidyanathan,
``Equalization with oversampling in multiuser CDMA systems'',
IEEE Transactions on Signal Processing, pp. 18371851, May 2005.
Paper
 A. Tkacenko and P. P. Vaidyanathan, ``Iterative greedy algorithm for solving
the FIR paraunitary approximation problem'',
IEEE Transactions on Signal Processing, pp. 146160, Jan. 2006.
Paper
 Borching Su and P. P. Vaidyanathan,
``Theoretical issues on LTI systems that preserve signal richness'',
IEEE Transactions on Signal Processing, pp. 11041113, March 2006.
Paper
 ByungJun Yoon and P. P. Vaidyanathan, ``Contextsensitive hidden Markov models for modeling longrange dependencies in symbol sequences'',
IEEE Transactions on Signal Processing, vol. 54, pp. 41694184, Nov. 2006.
Paper

Andre Tkacenko and P. P. Vaidyanathan,
``On the spectral factor ambiguity of FIR energy compaction filter banks'',
IEEE Trans. Signal Processing, vol. 54, no. 1, pp. 380385,
January, 2006. Paper
 ByungJun Yoon and P. P. Vaidyanathan, ``Unearthing the buried treasures  computational identification and analysis of noncoding RNAs'',
IEEE Signal Processing Magazine, Special Issue on Signal Processing Methods in Genomics and Proteomics, vol. 24, no. 1, pp. 6474, Jan. 2007.
Paper

Borching Su and P. P. Vaidyanathan,
``Generalized signal richness preservation problem and Vandermondeform
preserving matrices'',IEEE Trans. Signal Processing,
vol. 55, pp. 22392250, May 2007. Paper

ChunYang Chen and P. P. Vaidyanathan, "Precoded FIR
and redundant
VBLAST systems for frequencyselective MIMO channels", IEEE Trans.
Signal Processing, July 2007. Paper

ChunYang Chen and P. P. Vaidyanathan, "Quadratically
constrained beamforming robust against directionofarrival
mismatch", IEEE Trans. Signal
Processing, pp. 41394150, Aug. 2007. Paper

Borching Su and P. P. Vaidyanathan,
``Subspacebased blind channel identification for cyclic prefix systems using
very few received blocks'',
IEEE Trans. Signal Processing, Oct. 2007. Paper

Borching Su and P. P. Vaidyanathan, "A generalized
algorithm for blind channel identification with linear redundant
precoders", EURASIP
journal on applied signal processing, 2007. Paper

Borching Su and P. P. Vaidyanathan,
``Performance analysis of generalized zeropadded blind channel estimation
algorithm'',
IEEE Signal Processing Letters, Issue 99, 2007. Paper

Borching Su and P. P. Vaidyanathan,
``Comments on `Performance analysis of a deterministic channel estimator for
block transmission systems with null guard intervals' '',
IEEE Trans. Signal Processing, to appear, 2007. Paper
 ByungJun Yoon and P. P. Vaidyanathan,
``Structural alignment of RNAs using profilecsHMMs and its application to RNA homology search: Overview and new results'',
IEEE Transactions on Circuits and Systems: PartI, IEEE Transactions on Automatic Control, Joint Special Issue on Systems Biology, to appear in Jan. 2008.
Paper

ChunYang Chen and P. P. Vaidyanathan,
"MIMO radar spacetime adaptive processing using prolate spheroidal wave functions", IEEE Trans. Signal
Processing, Feb, 2008. Paper

BJ. Yoon and P. P. Vaidyanathan,
"Fast structural alignment of RNAs by optimizing the adjoining order of profilecsHMMs",
IEEE Journal of selected topics in signal processing, special issue on
genomic signal processing, vol. 2, pp. 400411, June 2008.
Paper

ChunYang Chen and P. P. Vaidyanathan, "MIMO radar ambiguity properties
and optimization using frequencyhopping waveforms", IEEE Trans. Signal
Processing, vol. 56, no. 12, pp. 59265936, Dec. 2008.
Paper

Borching Su and P. P. Vaidyanathan,
"New blind synchronization for transceivers using redundant precoders",
IEEE Trans. Signal Processing, vol. 56, no. 12, Dec. 2008.
Paper

P. P. Vaidyanathan,
"Eigenfunctions of the Fourier transform",
The IETE Journal of Education, vol. 49, no. 2, pp. 5158, MayAugust, 2008.
Paper

ChunYang Chen and P. P. Vaidyanathan, "MIMO Radar Waveform Optimization with Prior
Information of the Extended Target and Clutter", IEEE Trans. Signal
Processing, vol. 57, no. 9, pp. 35333544, Sept. 2009.
Paper

ChingChih Weng and P. P. Vaidyanathan,
"MIMO transceiver optimization with linear constraints on
transmitted signal covariance components", IEEE Trans. on Signal Processing,
Jan. 2010
Paper

ChingChih Weng, ChunYang Chen, and P. P. Vaidyanathan,
"Generalized triangular decomposition in transform
coding", IEEE Trans. on Signal
Processing, Feb. 2010.
Paper

ChingChih Weng, ChunYang Chen, and P. P. Vaidyanathan,
"MIMO transceivers with decision feedback and
bit loading: theory and optimization", IEEE Trans. on Signal
Processing, March 2010.
Paper

ChingChih Weng, P. P. Vaidyanathan, and HanI Su,
"Dithered GMD Transform Coding", IEEE Signal
Processing Letters, May 2010.
Paper

Piya Pal and P. P. Vaidyanathan, "Nested arrays: a novel approach to array processing with enhanced degrees of freedom'',
IEEE Trans. on Signal Processing, vol. 58, pp. 41674181, August 2010.
Paper

P. P. Vaidyanathan, and Piya Pal,
"System Identification With Sparse Coprime Sensing", IEEE Signal
Processing Letters, Oct. 2010.
Paper

ChihHao Liu and P. P. Vaidyanathan, "ZeroForcing DFE Transceiver Design Over Slowly TimeVarying MIMO Channels Using STGTD'',
IEEE Trans. on Signal Processing, vol. 58, pp. 57795790, Nov. 2010.
Paper

ChihHao Liu and P. P. Vaidyanathan, "MMSE DFE Transceiver Design over Slowly Timevarying MIMO Channels Using STGTD'',
IEEE Trans. on Signal Processing, vol. 59, pp. 277289, Jan. 2011.
Paper

P. P. Vaidyanathan and Piya Pal, "Sparse Sensing With CoPrime Samplers and Arrays'',
IEEE Trans. on Signal Processing, vol. 59, pp. 573586, Feb. 2011.
Paper

ChingChih Weng, ChunYang Chen, and P. P. Vaidyanathan,
"Block Diagonal GMD for ZeroPadded MIMO Frequency Selective Channels", IEEE Trans. on Signal
Processing, vol. 59, pp. 713727, Feb. 2011.
Paper

Piya Pal and P. P. Vaidyanathan,
"Coprimality of Certain Families of Integer Matrices'',
IEEE Trans. on Signal Processing, vol. 59, pp. 14811490, April 2011.
Paper

P. P. Vaidyanathan and Piya Pal, "Generating new commuting coprime matrix pairs from known pairs'',
IEEE Signal Processing Letters, vol. 18, pp. 303306, May. 2011.
Paper

ChingChih Weng and P. P. Vaidyanathan, "The Role of GTD in Optimizing Perfect Reconstruction Filter Banks'',
IEEE Trans. on Signal Processing, vol. 60, pp. 112128, Jan. 2012.
Paper

Piya Pal and P. P. Vaidyanathan, "Multiple Level Nested Array: An Efficient Geometry for 2qth Order Cumulant Based Array Processing'',
IEEE Trans. on Signal Processing, vol. 60, Issue 3, pp. 12531269, Mar, 2012.
Paper
 ChihHao Liu and P. P. Vaidyanathan, "Generalized Geometric Mean Decomposition and DFE Transceiver Design—Part I: Design and Complexity'',
IEEE Trans. on Signal Processing, vol. 60, pp. 31123123, June. 2012.
Paper
 ChihHao Liu and P. P. Vaidyanathan, "Generalized Geometric Mean Decomposition and DFE Transceiver Design—Part II: Performance Analysis'',
IEEE Trans. on Signal Processing, vol. 60, pp. 31243133, June. 2012.
Paper
 Piya Pal and P. P. Vaidyanathan, "Nested Arrays in Two Dimensions, Part I: Geometrical Considerations", IEEE Trans. on Signal Processing, vol. 60, No. 9, pp. 46944705, Sept. 2012.
 Piya Pal and P. P. Vaidyanathan, "Nested Arrays in Two Dimensions, Part II: Application in Two Dimensional Array Processing", IEEE Trans. on Signal Processing, vol. 60, No. 9, pp.
47064718, Sept. 2012.
 ChihHao Liu and P. P. Vaidyanathan, "MIMO Broadcast DFE Transceivers with QoS constraints: MinPower and MaxRate Solutions", IEEE Trans. on Signal Processing, vol. 61, no. 22, pp.
55505562, Nov. 2013.
 Piya Pal and P. P. Vaidyanathan,
"A Gridless approach to Underdetermined Direction
of Arrival Estimation Via Low Rank Matrix
Denoising'', IEEE Signal Processing Letters, vol. 21, no. 6, pp.
737741, June 2014.
 P. P. Vaidyanathan,
"Ramanujan sums in the context of signal processing: Part I:
fundamentals,'' IEEE Trans. on Signal Proc., vol. 62, no. 16,
pp. 41454157, Aug., 2014.
 P. P. Vaidyanathan,
"Ramanujan sums in the context of signal processing: Part II: FIR
representations and applications,'' IEEE Trans. on Signal Proc.,
vol. 62, no. 16,
pp. 41584172, Aug., 2014.
 P. P. Vaidyanathan,
"Ramanujansums in signal processing,'' AsiaPacific Signal and
Information Processing Association Newsletter, Issue 8, pp. 710, Jan.
2015.
 Piya Pal and P. P. Vaidyanathan,
"Pushing the Limits of Sparse Support Recovery
Using Correlation Information'', IEEE Trans. on Signal Processing, vol.
63, no. 3, pp. 711726, Feb. 2015.
 C.L. Liu and P. P. Vaidyanathan,
"Remarks on the spatial smoothing step in coarray MUSIC,'' IEEE Signal
Processing Letters, vol. 22, no. 9,
pp. 14381442, Sept. 2015.
 S. Tenneti and P. P. Vaidyanathan, "Arbitrarily Shaped Periods
in MultiDimensional Discrete Time Periodicity,'' IEEE Signal Processing Letters,
vol.22, no.10, pp.17481751, Oct. 2015.
 S. Tenneti and P. P. Vaidyanathan, "Nested Periodic Matrices and Dictionaries:
New Signal Representations For Period Estimation,'' IEEE Transactions on Signal Processing (to appear).
 Piya Pal and P. P. Vaidyanathan,
"Limits of Sparse Support Recovery in Presence of Limited Cross
Correlation'', IEEE Trans. on Signal Processing, submitted, 2015.
Go to the homepages of
P. P. Vaidyanathan,
DSP Group,
Department of Electrical Engineering,
California Institute of Technology.
Last update: June 2015