Len Bruton's Publications

- Downloadable -

November 2003

*The following publications span the period
from 1968 to 2003. *

*They are sorted in reverse chronological order
according to the categories in the Index. Most of the publications
can be downloaded in PDF format by clicking on the number between the *[]*
brackets. Users will need Acrobat Reader to read these PDF files.*

**INDEX**

Refereed Conference Publications

Return To Len Bruton's Research Page

** **

[J87] Bruton, L.T.,"Three-Dimensional Cone Filter Banks", IEEE Transaction on Circuits and Systems, Part I Fundamental Theory and Applications, Vol. 50, No. 2, pp-208-2216, February 2003.

[J86] Liu, Z.Q., Bruton, L., Bezdek, J., Keller, J., Dance, S., Bartley, N. and Zhang, C.S., "Dynamic Image Sequence Analysis", IEEE Transactions on Systems, Man and Cybernetics, Part B, April 2000

[J85]
Lazar, M.S. and Bruton, L.T., "Combining the discrete
wavelet transform and mixed-domain filtering," *IEEE Transactions on Image
Processing*, tentatively scheduled for publication in Vol. 5, No. 6, July
1996.

[J84]
Liu, X. and Bruton, L.T., "High-Speed systolic ladder
structures of multidimensional recursive digital filters," *IEEE Trans. on
Signal Processing*, Vol. 44, No. 4, pp. 1048-1055, April 1996.

[J83] Liu, X. and Bruton, L.T., "Improved LDI digital filters derived from
analog LC ladder filters," *Signal Processing*, Publisher: Elseviere
Science Publishers, Amsterdam, Vol. 46 (1995), pp. 147-158.

[J82]
Jin, D. and Bruton, L.T., "Closed-form impulse
responses of discrete-domain multidimensional filters,"* IEEE Trans. on
Circuits and Systems II - Analog and Digital Signal Processing*, Vol. 42, No.
9, pp. 607-609, September 1995.

[J81]
Lazar, M.S. and Bruton, L.T., "Fractal block coding of
digital video," *IEEE Trans. on Circuits and Systems for Video Technology*
(Special Issue on Very-Low Bit Rate Video Coding), Vol. 4, No. 3, pp. 297-308,
June 1994.

[J80] Zhang, Y.
and Bruton, L.T., "Applications of 3D LCR networks in the design
of 3D recursive filters for processing image sequences,"
*IEEE Trans. on Circuits and Systems for Video Technology*, Vol. 4, No. 4,
pp. 369-382, August 1994.

[J79] Bruton,
L.T. and Bartley, N.R., "Simulation of fractal multidimensional
images using multidimensional recursive filters," *IEEE
Transactions on Circuits and Systems - II: Analog and Digital Signal Processing*,
Vol. 41, No. 3, pp. 181-188, March 1994.

[J78] Liu, X. and Bruton, L.T., "Parallel computing in multidimensional
recursive filtering," *International Journal of High Speed Electronics and
Systems*, Vol. 4, No. 2, pp. 219-243, 1993.

[J77] Liu, X.
and Bruton, L.T., "The uniqueness in designing multidimensional
causal recursive digital filters possessing magnitude
hyperspherical symmetry," *IEEE Transactions on Circuits and Systems II:
Analog and Digital Signal Processing*, Vol. 40, No. 9, pp. 533-545, September
1993.

[J76] Liu, B.
and Bruton, L.T., "The two dimensional complex lms algorithm
applied to the 2D DFT," *IEEE Transactions on Circuits
and Systems - II: Analog and Digital Signal Processing*, Vol. CAS-40, No.5,
pp. 337-341, May 1993.

[J75] Bruton,
L.T. and Bartley, N.R., "Application of complex filters to realize
three-dimensional combined DFT/LDE transfer functions," *
IEEE Trans. on Circuits and Systems II: Analog and Digital Signal Processing*,
Vol. CAS-39, No.6, pp. 391-394, June 1992.

[J74] Knudsen,
K.S. and Bruton, L.T., "Recursive pruning of the 2-D DFT with 3-D
signal processing applications," *IEEE Trans. on Signal Processing*, Vol.
SP-41, No.3, pp. 1340-1356, March 1993.

[J73] Zhang, Y.J. and Bruton, L.T., "Differentiator-type three-dimensional
recursive ladder filters having frequency planar or frequency beam shaped
passbands," *IEEE Trans. on Circuits and Systems for Video Technology*,
Vol. CSVT-2, No.3, pp. 297-305, September 1992.

[J72] Knudsen, K.S. and Bruton, L.T., "Mixed domain filtering of
multidimensional signals," *IEEE Trans. on Circuits and Systems for Video
Technology*, Vol. CSVT-1, No. 3, pp. 260-268, September 1991.

[J71] Choudhury, A.A. and Bruton, L.T., "Multidimensional filtering
using combined discrete fourier transform and linear difference equation
methods," *IEEE Trans. Circuits and Systems*, Vol. CAS-37, No. 2, pp.
223-231, February 1990.

[J70] Nowrouzian, B., Bartley, N.R. and Bruton L.T., "Design and DSP-Chip
implementation of a novel bilinear-LDI digital jaumann filter," *IEEE Trans.
Circuits and Systems*, Vol. CAS-37, No. 6, pp. 695-706, February 1990.

[J69] Nowrouzian, B. and Bruton, L.T., "A novel approach to the exact
design of digital LDI allpass networks," *Electronics Letters*, Vol. 25,
No. 22, pp. 1482-1484, October 1989.

[J68] Liu, Q. and Bruton, L.T., "Design of 3-D planar and beam recursive
digital filters using spectral transformations," *IEEE Trans. Circuits and
Systems*, Vol. CAS-36, No. 3, pp. 365-374, March 1989.

[J67] Lin, Z. and Bruton, L.T., "BIBO stability of inverse 2-D digital
filters in the presence of nonessential singularities of the second kind," *
IEEE Trans. on Circuits and Systems*, Vol. CAS-36, No. 2, pp. 244-254,
February 1989.

[J66] Bruton, L.T. and Bartley, N.R., "Using nonessential singularities of
the second kind in two-dimensional filter design," *IEEE Trans. Circuits and
Systems*, Vol. CAS-36, No. 1, pp. 113-116, January 1989.

[J65] Lin, Z., Bruton, L.T. and Bartley, N.R., "Design of highly selective
two dimensional recursive fan filters by relaxing symmetry constraints," *
Electronics Letters*, Vol. 24, No. 22, pp. 1361-1380, October 1988.

[J64] Fowlow, T.J. and Bruton, L.T., "Attenuation characteristics of
three-dimensional planar-resonant recursive digital filters," *IEEE Trans. on
Circuits and Systems*, Vol. CAS-35, No. 5, pp. 595-599, May 1988.

[J63] Bruton, L.T. and Bartley, N.R., "The design of highly-selective
adaptive three-dimensional recursive cone filters," *IEEE Trans. on Circuits
and Systems* (Special Issue on Adaptive Systems and Applications), CAS-34,
No. 7, pp. 775-781, July 1987.

[J62] Hewitt, L.B., Bruton, L.T. and Bartley, N.R., "A portable high-speed
digital image processing instrument for the enhancement of television images,"
*IEEE Trans. Instrumentation and Measurement*, IM-35. No. 4, pp. 596-605,
December 1986.

[J61] Pei, S-C., Jaw, S-B., Bruton, L.T. and Bartley, N.R., "Comments on
`Highly-selective three-dimensional recursive beam filters using intersecting
resonant planes'," *IEEE Trans. Circuits and Systems*, CAS-33, No. 6, pp.
669-673, June 1986.

[J60] Bruton, L.T. and Bartley, N.R., "The enhancement and tracking of moving
objects in digital image using adaptive three-dimensional recursive filters," *
IEEE Trans. Circuits and Systems*, Vol. CAS-33, No. 6, pp. 604-613, June
1986.

[J59] Bruton, L.T. and Bartley, N.R., "Three dimensional image processing
using the concept of network resonance," *IEEE Trans. Circuits and Systems*,
Vol. CAS-32, No. 7, pp. 664-672, 1985.

[J58] Agathoklis, P., Bruton, L.T. and Bartley, N.R., "The
elimination of spikes in the magnitude frequency response of 2-D discrete
filters by increasing the stability margin," *IEEE Trans. Circuits and Systems*,
Vol. CAS-32, No. 5, pp. 451-458, May 1985.

[J57] Bruton, L.T. and Bartley, N.R., "A general purpose computer program for
the design of two-dimensional recursive filters-2DFil," *Circuits Systems and
Signal Processing*, Vol. 3(2), pp. 243-264, 1984.

[J56] Liu, E.S.K., Turner, L.E. and Bruton, L.T., "Exact synthesis of LDI and
LDD ladder filters," *IEEE Trans. Circuits and Systems*, Vol. CAS-31, No.
4, pp. 369-381, April 1984.

[J55] Bruton, L.T. and Strecker, T.E., "Two dimensional discrete filters using spatial integrators," IEE Proc., 130, Part G(6), pp. 271-275, December 1983.

[J54] Agathoklis, P. and Bruton, L.T., "Practical BIBO-stability of n-dimensional discrete systems," IEEE Int. Symp. on Circuits and Systems, Newport Beach, California, May 1983. Also in Proc. IEE, 130, Part G(6), December 1983.

[J53] Bruton, L.T. and Bartley, N.R., "Highly selective three-dimensional
recursive beam filters using intersecting resonant planes," *IEEE Trans.
Circuits and Systems*, Vol. CAS-30, No. 3, pp. 190-193, March 1983.

[J52] Bruton, L.T., Bailey, G.R. and Battacharjee, G., "Loop equation
formulation for switched capacitor networks containing nullors," *Circuit
Theory and Applications*, Vol. 11, pp. 57-72, 1983.

[J51] Bruton, L.T. and Battacharjee, G., "Formulation of the nodal equations
of switched capacitor networks containing nullors," *Can. Elec. Eng. J.*,
Vol. 7(2), pp. 21-27, 1982.

[J50] Bruton, L.T. and Bartley, N.R., "Stable fan filter design using
two-variable reactance functions," *Electronics Letters*, Vol. 18, No. 5,
pp. 217-219, March 4, 1982.

[J49] Bruton, L.T., Khan, R.H. and Csanyi-Fritz, G., "A high-quality digital
filter instrument," *IEEE Trans. Instrumentation and Measurement*, Vol.
IM-30, No. 2, pp. 93-97, June 1981.

[J48] Bruton, L.T., Haslett, J.W. and Rao, M.K.N., "High-frequency GIC
filters using integrated transconductance-type active devices," *IEE Proc.*,
128, Pt. G(4), pp. 187-188, August 1981.

[J47] Haslett, J.W., Rao, M.K.N. and Bruton, L.T., "High-frequency
active filter design using monolithic nullors," *IEEE J. Solid-State Circuits*,
Vol. SC-15, No. 6, pp. 955-962, December 1980.

[J46] Stein, R.A., Bartley, N.R. and Bruton, L.T., "Continuously variable
digital filters based on linear interpolation of coefficients," *Electronics
Letters*, Vol. 16, No. 17, pp. 670-672, August 14, 1980.

[J45] Haslett, J.W., M.K.N. Rao and Bruton, L.T., "Monolithic
V.C.C.S. for high-frequency RC-active filters," *Electronics Letters*, Vol.
16, No. 5, pp. 175-177, February 28, 1980.

[J44] Turner, L.E. and Bruton, L.T., "Elimination of granularity and overflow
limit cycles in minimum norm recursive digital filters," *IEEE Trans. Circuits
and Systems*, Vol. CAS-27, No. 1, pp. 50-53, January 1980.

[J43] Rao, M.K.N., Haslett, J.W. and Bruton, L.T., "Novel G.I.C. suitable for
RC-active filter applications," *Electronics Letters*, Vol. 15, No. 15, pp.
462-464, July 1979.

[J42] Ramamoorthy, P.A. and Bruton, L.T., "Design of stable
two-dimensional analogue and digital filters with application in image
processing," *Circuit Theory and Applications*, Vol. 7, pp. 229-245, 1979.
Also published in *IEE Selected Papers in Multidimensional Digital Signal
Processing*, Part I, 16-33, October 1, 1986, ISBN 0-87942-202-5.

[J41] Ramakrishna, K. and Bruton, L.T., "Noise minimization in
RC-active filters using generalized impedance converters," *Circuit Theory and
Applications*, Vol. 6, pp. 135-145, 1978.

[J40] Bruton, L.T., and Khan, R.H., "Multirate multiplierless discrete ladder
filters," *Electronics Letters*, Vol. 14, No. 25, pp. 814-815, December 7,
1978.

[J39] Bruton, L.T., (INVITED PAPER) "Multiple-amplifier RC-active filter
design with emphasis on GIC realizations," *IEEE Trans. Circuits and Systems*,
Vol. CAS-25, No. 10, pp. 830-845, October 1978.

[J38] Haase, A.B. and Bruton, L.T., "Noise optimization in RC-active filter
sections," *Electronic Circuits and Systems*, Vol. 1, No. 4, pp. 117-124,
July 1977.

[J37] Vaughan-Pope D.A. and Bruton, L.T.,"Synthesis of a class of low
sensitivity digital filters," *Proc. IEEE Int. Symp. on Circuits and Systems*,
pp. 37-40, April 1977.

[J36] Turner, L.E. and Bruton, L.T., "Elimination of zero-input limit cycles
by bounding the state transition matrix," *Proc. IEEE Int. Symp. on Circuits
and Systems*, pp. 199-202, April 1977. Also in *Circuit Theory and
Applications*, Vol. 7, pp. 97-111, 1979.

[J35] Vaughan-Pope, D.A. and Bruton, L.T., "Transfer function
synthesis using generalized doubly terminated two-pair networks," *IEEE Trans.
Circuits and Systems*, Vol. CAS-24, No. 2, pp. 79-88, February 1977.

[J34] Bruton, L.T., Haslett, J.W. and Atkins, R.C., "Nonideal performance of
analogue discrete networks," *Circuit Theory and Applications*, Vol. 5, pp.
107-118, 1977.

[J33] Ramamoorthy, P.A. and Bruton, L.T., "Design of stable
2-dimensional discrete recursive filters," *Electronics Letters*, Vol. 12,
No. 25, pp. 659-660, December 9, 1976.

[J32] Bruton, L.T. and Ramamoorthy, P.A., "Maximally flat low-pass transfer
function synthesis using continuous and discrete filters," *IEEE Trans.
Circuits and Systems*, Vol. CAS-23, No. 8, pp. 510-513, August 1976.

[J31] Bruton, L.T. and Vaughan-Pope, D.A., "Synthesis of digital ladder
filters from LC filters," *IEEE Trans. Circuits and Systems*, Vol. CAS-23,
No. 6, pp. 395-402, June 1976.

[J30] Bruton, L.T. and Ramakrishna, K., "On the high-frequency limitations of
active ladder networks," *IEEE Trans. Circuits and Systems*, Vol. CAS-22,
No. 8, pp. 704-708, August 1975.

[J29] Bruton, L.T., (INVITED PAPER) "Sensitivity comparison of high-Q
second-order active filter synthesis techniques," *IEEE Active Filter Workshop*,
Arden House, N.Y., June 1973, Also in *IEEE Trans. Circuits and Systems*,
CAS-22, No. 1, pp. 32-38, January 1975.

[J28] Bruton, L.T., "Low-sensitivity digital ladder filters," *IEEE Trans.
Circuits and Systems*, Vol. CAS-22, No. 3, pp. 168-176, March 1975. Also in
*Proc. IEEE Int. Symp. on Circuits and Systems*, pp. 687-691, San
Francisco, California, April 1974.

[J27] Bruton, L.T. and Lim, J.T., "High-frequency comparison of GIC-simulated
inductance circuits," *Circuit Theory and Applications*, Vol. 2, pp.
401-404, December 1974.

[J26] Bruton, L.T. and Haase A.B., "High-frequency limitations of RC-active
filters containing simulated-L and FDNR elements," *Circuit Theory and
Applications*, Vol. 2, pp. 187-194, June 1974.

[J25] Bruton, L.T. and Haase A.B., "Sensitivity of generalized immittance
converter-embedded ladder structures," *IEEE Trans. Circuits and Systems*,
Vol. CAS-21, No. 2, pp. 245-250, April 1974.

[J24] Bruton, L.T. and Salama, A.I.A., "Frequency limitations of
coupled-biquadratic active ladder structures," *IEEE J. Solid-State Circuits*,
Vol. SC-9, No. 2, pp. 70-72, April 1974.

[J23] Bruton, L.T. and Tarchuk B., "Electronically programmable inductorless
ladder filters," *IEEE Trans. Instrumentation and Measurement*, Vol. IM-23,
No. 1, pp. 35-40, March 1974.

[J22] Trofimenkoff, F.N., Treleaven, D.H. and Bruton, L.T.,
"Representation of noise in a particular type of linear N-port network," *
Circuit Theory and Applications*, Vol. 2, pp. 269-271, 1974.

[J21] Trofimenkoff, F.N., Treleaven, D.H. and Bruton, L.T., "Noise
performance of RC-active quadratic filter sections," *IEEE Trans. Circuit
Theory*, Vol. CT-20, No. 5, pp. 524-532, September 1973.

[J20] Bruton, L.T., "Topological equivalence of inductorless ladder
structures using integrators," *IEEE Trans. Circuit Theory*, Vol. CT-20,
No. 4, pp. 434-437, July 1973.

[J19] Bruton, L.T. and Pederson, R.T., "Tunable RC-active filters using
periodically switched conductances," *IEEE Trans. Circuit Theory*, Vol.
CT-20, No. 3, pp. 294-301, May 1973.

[J18] Bruton, L.T., "Sensitivity of narrowband cascaded bandpass filters," *
IERE Radio and Electronic Engineer*, Vol. 43, No. 5, pp. 325-328, May 1973.

[J17] Bruton, L.T. and Haase, A.B., "High frequency limitations of
inductorless ladder structures," *Circuit Theory and Applications*, Vol. 2,
pp. 187-194, June 1974. Also in *Proc. of 16th Midwest Symposium on Circuit
Theory*, 1, Session IX, paper #6, pp. 1-13, Waterloo, Ontario, April 1973.

[J16] Bruton, L.T. and Pederson, R.T., "A frequency-locked adaptive filter,"
*Circuit Theory and Applications*, Vol. 1, No. 1, pp. 71-82, March 1973.

[J15] Bruton, L.T. and Treleaven, D., "Electrical noise in low-pass FDNR
filters," *IEEE Trans. Circuit Theory*, Vol. CT-20, No. 2, pp. 154-158,
March 1973.

[J14] Bruton, L.T. and Treleaven, D., "Active filter design using generalized
impedance converters," *Electronic Design News*, pp. 68-75, February 1973.

[J13] Coldham, D. and Bruton, L.T., "Computer analysis of nullor
networks," *Electronics Letters*, Vol. 9, No. 4, 22 February 1973.

[J12] Bruton, L.T., Trofimenkoff, F.N. and Treleaven, D.H., "Noise
performance of low-sensitivity active filters," *IEEE J. Solid-State Circuits*,
Vol. SC-8, No. 1, pp. 85-91, February 1973.

[J11] Bruton, L.T. and Pederson, R.T., "Electronically tunable
time-multiplexed active filters," *IEEE J. Solid-State Circuits*, Vol.
SC-7, No. 3, pp. 266-267, June 1972.

[J10] Bruton, L.T. and Pederson, R.T., "Time-multiplexed active filters," *
IEEE J. Solid-State Circuits*, Vol. SC-7, No. 3, pp. 259-265, June 1972.

[J9] Bruton, L.T., "Electronically tunable analog active filters," *IEEE
Trans. Circuit Theory*, Vol. CT-19, No. 3, pp. 299-301, May 1972.

[J8] Bruton, L.T., Pederson, R.T. and Treleaven, D.H., "Low-frequency
compensation of FDNR low-pass filters," *Proc. IEEE*, Vol. 60, No. 4, pp.
444-445, April 1972.

[J7] Bruton, L.T., "A transistor realization of the generalized impedance
converter," *IERE Radio and Electronic Engineer*, Vol. 42, No. 3, 133-136,
March 1972.

[J6] Bruton, L.T., "A voltage-tuned gyrator," *IEEE J. Solid-State
Circuits*, Vol. SC-7, No. 1, pp. 90-92, February 1972.

[J5] Bruton, L.T., "Biquadratic sections using generalized impedance
converters," *IEEE Radio and Electronic Engineer*, Vol. 41, No. 11, pp.
510-512, November 1971.

[J4] Bruton, L.T., "Nonideal performance of two-amplifier
positive-impedance converters," *IEEE Trans. Circuit Theory*, Vol. CT-17,
No. 4, pp. 541-549, November 1970.

[J3] Bruton, L.T., "Nonideal performance of a class of positive immittance
converters," *IEEE Trans. Circuit Theory*, Vol. CT-16, pp. 572-573,
November 1969.

[J2] Bruton, L.T., "Network transfer functions using the concept of
frequency-dependent negative resistance," *IEEE Trans. Circuit Theory*,
Vol. CT-16, No. 3, pp. 406-408, August 1969.

[J1] Bruton, L.T., "Frequency selectivity using positive impedance
converter-type networks," *Proc. IEEE*, Vol. 56, pp. 1378-1379, August
1968.

Return To Len Bruton's Research Page

**
Conference Papers, Fully Refereed**

** **[C77]
Bruton, L.T. and Singh, S., "Plane Wave Filtering Using A Novel 3D Cone-stop
Filter Bank", 45th IEEE Mid-west Symposium on Circuits and Systems Conference, 4
pages, August 4-7, 2002, Tulsa, Oklahoma, U.S.A.

[C76] Anderson, B. and Bruton, L.T., "Non-Uniform Bandwidth Frequency-Planar (NUB-FP) Filter Banks", IEEE International Symposium on Circuits and Systems, 4 pages, 26-29 May 2002, Scottsdale, Arizona, U.S.A.

[C75] Bruton, L.T. "Three Dimensional Cone Filter Banks", 2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM'01), 4 pages, August 26-28, 2001, Victoria, B.C., Canada

[C74] Gordy, J.D. and Bruton, L.T. “Performance Evaluation Of Digital Audio Watermarking Algorithms”, IEEE 43rd Midwest Symposium on Circuits and Systems, Michigan State University, Michigan, U.S.A., August 8-11, 2000

[C73] Dreveny, C.W. and Bruton, L.T. “Least-Squares Trilinear Interpolation For Digital Video Coding”, IEEE International Symposium on Circuits and Systems, May 28-31, 2000, Paper IV-704, 4 pages, International Conference Centre, Geneva, Switzerland

[C72] Jiang, W. and Bruton, L.T. “Lossless Color Compression Using Chromatic Correlation”, Data Compression Conference (DCC'99), Snowbird, Utah, March 29 - 31, 1999

** **[C71] J. A. Provine and L.
T. Bruton, "Image mapped 3D model based coding for video-conferencing type
applications," Proc. of IEEE Signal Processing Society Workshop on Multimedia
Signal Processing, Princeton, NJ, pp. 219-224, June 23-25, 1997.

[C70] H.-L. Cheng and L. T. Bruton, "On 3-D space-time interpolation and data compression of digital image sequences using low-order 3D IIR filters," Proc. of 5th Annual Workshop on Time-Varying Image Procsesing and Moving Object Recognition, Florence, Italy, Elsevier Science Publishers, V. Cappellini, Ed., pp. 3-8, 1997.

[C69] Bruton, L.T. and Cheng,
H.-L., "Compression of digital image sequences using low-order 3D IIR filters,"
accepted, *5th Annual Workshop on Time-Varying Image Procsesing and Moving
Object Recognition*, Florence, Italy, September 1996.

[C67] Kulach, C.J., Bruton, L.T. and Bartley, N.R., "A real-time video
implementation of a three-dimensional first-order recursive discrete-time
filter," *Proceedings of the IEEE International Symposium on Circuits and
Systems (ISCAS '96)*, Atlanta, GA, pp. II-699 - II-702, May 1996.

[C66] Provine, J.A. and Bruton, L.T., "3-D model based coding - a very low bit
rate coding scheme for video-conferencing," accepted, *Proceedings of the IEEE
International Symposium on Circuits and Systems (ISCAS '96)*, Atlanta, GA,
pp. II-798 - II-801, May 1996.

[C65] Bruton, L.T., Bartley, N.R. and Liu, Z.Q., "The classification of motion
in image sequences using 3D recursive adaptive filters to obtain neural network
input vectors," (invited paper), *Proceedings of the IEEE International Conf.
on Neural Networks*, Perth, Australia, pp. IV-1595 - IV-1599, November 1995.

[C64] Kulach, C.J., Bruton, L.T. and Bartley, N.R., "Real-time
three-dimensional recursive digital filter for video signals," (invited paper),
to appear, *Proceedings of the Asilomar Conference on Signals, Systems and
Computers*, Pacific Grove, CA, November 1995.

[C63] Bruton, L.T., Bartley, N.R. and Liu, Z.Q.,"On the classification of
moving objects in image sequences using 3D adaptive recursive tracking filters
and neural networks," (invited paper), to appear, *Proceedings of the Asilomar
Conference on Signals, Systems and Computers*, Pacific Grove, CA, November
1995.

[C62] Provine, J.A. and Bruton, L.T., "Lip synchronization in 3-D model based
coding for video-conferencing," *Proceedings of the IEEE International
Symposium on Circuits and Systems (ISCAS '95)*, Seattle, WA, pp. 453-456, May
1995.

[C61] Bertschmann, R.K., Bartley, N.R. and Bruton, L.T., "A 3-D
integrator-differentiator double-loop (IDD) filter for raster-scan video
processing," *Proceedings of the IEEE International Symposium on Circuits and
Systems (ISCAS '95)*, Seattle, WA, pp. 470-473, May 1995.

[C60] Liu, B. and Bruton, L.T., "Adaptive video coding using mixed-domain
filter banks having optimal-shaped subbands," *Proceedings of the IEEE
International Symposium on Circuits and Systems (ISCAS'94)*, London, pp.
3.29-3.32, June 1994.

[C59] Lazar, M.S. and Bruton, L.T., "Three dimensional linear trajectory
filtering using the DWT and the mixed-domain approach," *Proceedings of the
IEEE International Symposium on Circuits and Systems (ISCAS'94)*, London, pp.
2.45-2.48, June 1994.

[C58] Liu, X. and Bruton, L.T., "A new WDF three-port adaptor suitable for
floating-point arithmetic and/or DSP implementations," *Proceedings of the
International Conference on Acoustics, Speech and Signal Processing (ICASSP'94)*
, Adelaide, Australia, pp. IV-17 - IV-20, April 1994.

[C57] Liu, B. and Bruton, L.T., "The design of N-Band nonuniform-band
maximally decimated filter banks," *Proceedings of* *Asilomar Conference
on Circuits, Systems, and Computers,* Pacific Grove, CA, November 1-3, 1993.

[C56] Kulach, C.J., Bruton, L.T. and Bartley, N.R., "MDNAP - Multidimensional
Network Analysis Program," *Proceedings of ECCTD'93*, Davos, Switzerland,
pp. 583-588, August 1993.

[C55] Knudsen, K.S. and Bruton, L.T., "Transform/spatiotemporal mixed domain
moving object tracking and enhancement," *Proceedings of ECCTD'93*, Davos,
Switzerland, pp. 589-594, August 1993.

[C54] Liu, X. and Bruton, L.T., "A systematic multi-level approach for
designing high-speed multidimensional systolic recursive filter structures," *
Proceedings ECCTD'93*, Davos Switzerland, pp. 577-582, August 1993.

[C53] Bruton, L.T., Bartley, N.R. and Kulach, C.J., "An integrated environment
for the design, simulation and testing of multidimensional digital filters," *
Proceedings of the 1993 IEEE Pacific Rim Conference on Communication, Computers
and Signal Processing*, Victoria, B.C., pp. 224-227, May 1993.

[C52] Liu, B. and Bruton, L.T., "The design of nonuniform-band maximally
decimated filter banks," *Proceedings of the IEEE International Symposium on
Circuits and Systems (ISCAS'93)*, Chicago, IL, pp.375-378, May 1993.

[C51] Zhang, Y.J. and Bruton, L.T., "Applications of 3D LCR networks in the
design of 3D recursive filters," *Proceedings of the IEEE International
Symposium on Circuits and Systems (ISCAS'93)*, Chicago, IL, pp.906-909, May
1993.

[C50] Lazar, M.S. and Bruton, L.T., "On the practical BIBO stability of
multidimensional filters," *Proceedings of the IEEE International Symposium on
Circuits and Systems (ISCAS'93)*, Chicago, IL, pp.571-574, May 1993.

[C49] Knudsen, K.S. and Bruton, L.T., "Moving object detection and trajectory
estimation in the transform/spatiotemporal Domain," *Proceedings of the
International Conference on Acoustics, Speech and Signal Processing (ICASSP'92)*,
San Francisco, CA, Vol.3, pp.505-508, March 1992.

[C48] Lazar, M. and Bruton, L.T., "The design of compactly supported
orthonormal wavelets with integer scaling parameters," *Proceedings of the
IEEE International Symposium on Time-Frequency and Time-Scale Analysis*,
Victoria, B.C., pp.323-326, October 1992.

[C47] Nowrouzian, B., Agnew, D.G., and Bruton, L.T., "A novel approach to the
exact design of LDI digital filters," *Proceedings of the 35th Annual Mid-West
Symposium on Circuits and Systems*, Washington, D.C., pp.800-803, August
1992.

[C46] Nowrouzian, B., and Bruton, L.T., "Closed-form solutions for the direct
derivation of discrete-time elliptic transfer functions," *Proceedings of the
35th Annual Mid-West Symposium on Circuits and Systems*, Washington, D.C.,
pp.784-787, August 1992.

[C45] Knudsen, K.S. and Bruton, L.T., "Moving Object nonlinear trajectory
estimation in the transform/spatiotemporal mixed domain," *Proceedings of the
International Symposium on Circuits and Systems (ISCAS'92)*, San Diego, CA,
pp.2481-2484, May 1992.

[C44] Bruton, L.T. and Bartley, N.R., "Applications of complex filters to
realize three-dimensional combined DFT/LDE transfer functions," *Proceedings
of the International Symposium on Circuits and Systems (ISCAS'92)*, San
Diego, CA, pp. 1412-1415, May 1992.

[C43] Liu, X. and Bruton, L.T., "Parallel MD recursive digital filtering using
1D vector recursive filters," *Proceedings of the International Symposium on
Circuits and Systems (ISCAS'92)*, San Diego, CA., pp.1416-1419, May 1992.

[C42] Scott, H., Leuthy, J. and Bruton, L.T., "Outreach to Elementary and
Junior High Schools in Calgary," *Proceedings. of 1991 Int. Symposium on Women
in Engineering*, May 1991

[C41] Bruton, L.T., Zhang, Y., "Applications of lossless MD structures for the
filtering of digital image sequences," *Proceedings. of 1991 International
Symposium on Circuits and Systems*, Singapore, pp. 128-131, June 1991.

[C40] Knudsen, K.S. and Bruton, L.T., "Mixed domain filtering of
multidimensional signals," *Proc. of the 33rd Midwest Symposium on Circuits
and Systems*, Calgary, Alberta, Canada, August 1990.

[C39] Issler, R.W. and Bruton, L.T., "Tracking and enhancement of objects in
image sequences using 3-D frequency planar combined DFT/LDE filters," *Proc.
of 1990 Int. Symposium on Circuits and Systems*, New Orleans, LA, pp.
999-1002, May 1990.

[C38] Nowrouzian, B., Bruton, L.T. and Bartley, N.R., "A novel approach to the
exact design of LDI jaumann digital filters," *Proc. of 1990 Int. Symposium on
Circuits and Systems*, New Orleans, LA, 1990, pp. 2144-2148, May 1990.

[C37] Choudhury, A.A. and Bruton, L.T. "Multidimensional discrete filtering
using combined discrete fourier transform and linear difference equation filter
methods," *Int. Symp. on Circuits and Systems*, Portland, OR, May 1989.

[C36] Bruton, L.T. (INVITED PAPER) "Applications of three-dimensional digital
filtering," *Seventh Kobe International Symposium on Electronics and
Information Sciences*, Kobe, Japan, Session V, I, PD4, pp. 21-22, November
1988.

[C35] Liu, Q. and Bruton, L.T., "Sensitivity analysis of 3-D recursive digital
beam filter structures," *Proc. of 1988 Asilomar Conference on Circuits,
Systems, and Computers*, La Jolla, CA, November 1988.

[C34] Fowlow, T.J., and Bruton, L.T. "The design and application of a high
quality three dimensional linear trajectory filter," *Proc. Int. Symposium. on
Circuits and Systems*, Helsinki, pp. 1033-1036, June 1988.

[C33] Bruton, L.T., and Bartley, N.R. (INVITED PAPER) "Using nonessential
singularities of the second kind in multidimensional filter design," *Proc. of
1987 Asilomar Conference on Circuits, Systems, and Computers*, pp. 367-371
Monterey, CA, November 1987.

[C32] Bruton, L.T. (INVITED PAPER) "Designing signal flow graphs for
sample-data filtering," *XXIInd General Assembly of the Int. Union of Radio
Science*, 298, Tel Aviv, Israel, August 1987.

[C31] Liu, Q. and Bruton, L.T. "Design and implementation of 3-D recursive
digital filters by applying spectral transformations to LC filter networks," *
Proc. Int. Symp. on Circuits and Systems*, Helsinki, pp. 1261-1264, June
1988.

[C30] Bruton, L.T. and Bartley, N.R. (INVITED PAPER) "The design of
highly-selective adaptive three-dimensional recursive cone filters," *Proc.
IEEE Int. Symp. on Circuits and Systems*, Philadelphia, PA, pp. 972-975, May
1987.

[C29] Bruton, L.T. (INVITED PAPER) "On the relationships between analog
circuits and multidimensional digital algorithms," *Proc. IEEE Int. Symp. on
Circuits and Systems*, Jan Jose, CA, pp. 456-459, May. 1986.

[C28] Bruton, L.T. (INVITED PAPER) "Design and implementation of fast
multidimensional filters for image processing using digital signal processing
chips," *Proc. IEEE Int. Symp. on Circuits and Systems*, San Jose, CA, pp.
527-530, May 1986.

[C27] Bruton, L.T. "Application of recursive 2D digital filters to image
processing," *1985 North American Radio Science Meeting and Intl. IEEE/AP-S
Symposium*, University of British Columbia, June 1985.

[C26] Bruton, L.T. and Bartley, N.R. (INVITED PAPER) "Adaptive
three-dimensional recursive filters applied to the enhancement and tracking of
moving objects in digital images," *Proc. IEEE Int. Symp. on Circuits and
Systems*, Kyoto, Japan, pp. 1373-1376, June 1985.

[C25] Csanyi-Fritz, G., Shpak, D.J. and Bruton, L.T. "CMOS integrator module
for real-time digital filter applications," *1984 Canadian Conference on Very
Large Scale Integration*, Technical Digest, 5.150-5.1623, Edmonton, Alberta,
October 1984.

[C24] Agathoklis, P., Bruton, L.T. and Bartley, N.R. (INVITED PAPER) "The
elimination spikes in the magnitude frequency response of 2-D discrete filters
by increasing the stability margin," *Proc. IEEE Int. Symp. on Circuits and
Systems*, Montreal, Quebec, pp. 478-481, May 1984.

[C23] Turner, L.E., Liu, E.S.K. and Bruton, L.T. (INVITED PAPER) "Digital LDI
ladder filter design using the bilinear transformation," *Proc. IEEE Int. Symp.
on Circuits and Systems*, Montreal, Quebec, pp. 1017-1020, May 1984.

[C22] Bruton, L.T. and Shpak, D. (INVITED PAPER) "Image enhancement using
spatially variant two dimensional recursive filters," *Proc. IEEE Int. Symp.
on Circuits and Systems*, Montreal, Quebec, pp. 1038-1041, May 1984.

[C21] Bruton, L.T. and Bartley, N.R. "Multidimensional network resonance and
Q-factor applied to image processing," *Proc. IEEE Int. Symp. on Circuits and
Systems*, Newport Beach, CA, pp. 398-401, May 1983.

[C20] Agathoklis, P. and Bruton, L.T. "Practical BIBO-stability of
n-dimensional discrete systems," *IEEE Int. Symp. on Circuits and Systems*,
Newport Beach, CA, pp. 923-926, May 1983. Also in *Proc. IEE*, 130, Part
G(6), December 1983.

[C19] Bruton, L.T., Bartley, N.R. and Stein, R.A. (INVITED PAPER) "Stable 2D
recursive filter design using equi-terminated lossless N-port structures," *
Proc. European Conf. on Circuit Theory and Design*, The Hague, Netherlands,
pp. 300-307, August 1981.

[C18] Bruton, L.T., Rao, M.K.N. and Haslett, J.W. (INVITED PAPER)
"High-frequency active filtering using transconductance-type circuits," *Proc.
European Conf. on Circuit Theory and Design*, The Hague, Netherlands, pp.
958-962, August 1981.

[C17] Battacharjee, G. and Bruton, L.T. (INVITED PAPER) "Formulation of the
nodal charge equations of switched capacitor networks containing nullors," *
Proc. European Conf. on Circuit Theory and Design*, The Hague, Netherlands,
pp. 110-117, August 1981.

[C16] Ramamoorthy, P.A. and Bruton, L.T. "Design of 2D nonsymmetric stable
half-plane recursive filters," *Proc. 23rd Midwest Symp. on Circuits and
Systems*, Toledo, OH, pp. 474-478, August 1980.

[C15] Bruton, L.T. (INVITED PAPER) "Circuit theory concepts applied to the design of 1D and 2D digital RC-active and switched-capacitor filters," Houston, TX, May 1980.

[C14] Bruton, L.T. and Khan, R.H. "Analysis of multirate interconnected
discrete filter systems," *IEE J. Electronics Circuits and Systems*, Vol.
3, No. 4, pp. 153-158, July 1979. *Also presented at 22nd Midwest Symp. on
Circuits and Systems*, Philadelphia, PA, June 17-19, 1979.

[C13] Ramamoorthy, P.A. and Bruton, L.T. "Design of stable symmetric and
non-symmetric half-plane digital recursive filters," *Proc. Int. Conf. on
Acoustics, Speech and Signal Processing*, pp. 40-43, April 1979.

[C12] Ramamoorthy, P.A. and Bruton, L.T. "Frequency domain approximation of
stable multi-dimensional discrete recursive filters," *Proc. IEEE Int. Symp.
on Circuits and Systems*, pp. 654-657, April 1977.

[C11] Bruton, L.T. "A review of modern signal filtering techniques," *Third
Computers Electronics and Control*, October 1976.

[C10] Bruton, L.T. "Low-sensitivity digital ladder filters," *IEEE Trans.
Circuits and Systems*, CAS-22, pp. 168-176, March 1975. Also in *Proc. IEEE
Int. Symp. on Circuits and Systems*, San Francisco, CA, pp. 687-691, April
1974.

[C9] Bruton, L.T., Valihora, J. and Lim, J.T. "The feasibility of active
filtering in frequency division multiplex systems," *Proc. Int. Symp. Circuit
and Systems *, San Francisco, CA, pp. 121-125, April 1974.

[C8] Bruton, L.T. "Transformations and terminating networks in discrete
leapfrog ladder structures," *Proc. Int. Symp. on Circuits and Systems*,
San Francisco, CA, pp. 692-696, April 1974.

[C7] Trofimenkoff, F.N., Smallwood, R.E. and Bruton, L.T. "Noise in
positive gain Sallen-Key RC-active filters," *Proc. European Conf. on Circuit
Theory and Design*, Lausanne, Switzerland, pp. 325-330, 1974.

[C6] Bruton, L.T., and Haase, A.B. "High-frequency limitations of
inductorless ladder structures," *Circuit Theory and Applications*, Vol. 2,
pp. 187-194, June 1974. Also in *Proc. of 16th Midwest Symposium on Circuit
Theory*, 1, Session IX, Paper #6, 1-13, Waterloo, Ontario, April 1973.

[C5] Trofimenkoff, F.N., Bruton, L.T. and Smallwood, R.E. "Noise analysis of
a fourth order maximally-flat bandpass filter," *Proc. of National Electronics
Conf.*, pp. 223-227, Chicago, IL, October 1972.

[C4] Bruton, L.T. "Filter synthesis using generalized impedance converters,"
*N.A.T.O. Advanced Institute of Signal and Network Theory*, Bournemouth,
England, pp. 153-159, September 1972.

[C3] Bruton, L.T., and Pederson, R.T. "Tunable RC-active filters using
periodically switched conductances," *Proc. IEEE Int. Symp. on Circuit Theory*,
Los Angeles, California, pp. 350-354, April 18-21, 1972.

[C2] Bruton, L.T. "Electronically-tunable analogue active filters," *IEEE,
IEE and IRE Int. Symp. on Network Theory*, London, England, September 1971.

[C1] Bruton, L.T. "A class of two-amplifier positive impedance converters,"
*IEEE Int. Symp. on Network Theory*, Atlanta, GA, December 1970.

Return To Len Bruton's Research Page

** **

[B7] Liu, X. and Bruton, L.T. “*Ladder Filters*”, Invited Chapter,
Editor John G. Webster, Wiley Encyclopedia of Electrical and Electronic
Engineering, John Wiley and Sons Inc., New York 1997, Volume 11, pp 183-194.

[B6] Bruton, L.T., Trofimenkoff, F.N. and Treleaven, D.H. "Noise Performance of Low Sensitivity Active Filters; Noise Performance of RC-Active Quadratic Filter Sections," two benchmark papers, Selected Papers on Noise in Circuits and Systems, Madhu S. Gupta, ed., IEEE Press, pp. 63-69; 70-78, July 1987.

[B5] Ramamoorthy,
P.A. and Bruton, L.T. "Design of Stable Two-Dimensional Analog and Digital
Filters with Applications in Image Processing," in *Selected Papers in
Multidimensional Signal Processing*, ed. Multidimensional Signal Processing
Technical Committee for the ASSP: IEEE Press, pp. 15-32, 1986.

[B4] Bruton, L.T.,
Bartley, N.R. and Stein, R.A. "The Design of High Quality Two-Dimensional
Recursive Filters for Seismic Signal Processing," *Advances in Geophysical
Data Processing Vol. 2*, JAI Press Inc., Greenwich, CT, one chapter, pp.
223-261, 1985.

[B3] Bruton, L.T.
"Low-Sensitivity Digital Ladder Filters," benchmark paper reprinted, *MOS
Switched-Capacitor Filters: Analysis and Design*, George S. Moschytz, ed.,
IEEE Press, pp. 263-271, 1984.

[B2] Ramamoorthy,
P.A. and Bruton, L.T. "Design of Two-Dimensional Recursive Filters," in *
Topics in Applied Physics: Two Dimensional Digital Signal Processing I, Linear
Filters*, Vol. 42, ed. T.S. Huang. Berlin: Springer-Verlag, 1981.

[B1] Bruton, L.T., *
RC-Active Circuits Theory and Design*, Prentice-Hall, Englewood Cliffs, NJ,
1980.

Return To Len Bruton's Research Page

**
Keynote
Conference Addresses and Distinguished Lectures**

[K1] Bruton, L.T. "Applications of Three Dimensional
Recursive Filters," Invited Keynote Address, *33rd Midwest Symposium on
Circuits and Systems*, Calgary, Alberta, Canada, August 1990.

[K2] Bruton, L.T. "Real Time Processing of Digital
Image Sequences for Television and Multimedia Applications," Invited Keynote
Address, *1993* *Canadian Conference on Very Large Scale Integration*,
Banff, Alberta, Canada, November 1993.

[K3] L.T. Bruton, "*Applications of Three-Dimensional Signal Processing for
Object-Tracking and Image-Compression*", Plenary Session Keynote Address,
1997 IEEE Region 10 Annual Conference on Speech and Image Technologies for
Computing - TENCON '97, Brisbane, Australia, Dec. 2, 1997

[K4] Bruton, L.T. “*Applications
of Three Dimensional Signal Processing for Object-tracking and Image Compression*
“, *Invited Plenary Speaker*, IEEE Region 10 Annual Conference, Tencon’97,
Speech and Image Technologies for Computing and Telecommunications, Queensland
University of Technology, Brisbane, Australia, 2-4 December 1997.

[K5] Bruton, L.T. “*Three
Dimensional Signal Processing*“, *Keynote Speaker*, IEEE Symposium on
Advances in Digital Filtering and Signal Processing, Victoria, Canada, June 5-6,
1998

[K6] Bruton,
L.T. "*Three Dimensional Signal Processing*," Distinguished Lecturer
Series, Simon Fraser University, Faculty of Engineering, invited, November 2002

Return To Len Bruton's Research Page