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Christopher Michael Brislawn

Christopher Brislawn

Phone (505) 665-1165


  • Computational Physics and Applied Mathematics
  • Mathematics
  • Algorithms
  • Applied Math
  • Communication modeling
  • Computer and Computational Sciences
  • Data-Intensive computing
  • Information Science and Technology
  • Data Intensive Computing and Infrastructure
  • Information exploitation (IE)
  • Classical and quantum communication systems
  • Cybersecurity
  • Science of Signatures - Remote and Standoff Sensing
  • Multi-spectral
  • Image analysis
  • Hyperspectral data processing algorithms and analysis tools


Applied mathematics

Digital signal and image processing

Digital communications

Wavelet transforms and multirate filter banks


Ph.D., Mathematics; University of Colorado—Boulder

B.S., Mathematics; Harvey Mudd College, Claremont, CA


LANL Positions

2008–present: Scientist; Group CCS-3

1993–2007: Member of the Technical Sta ff; Group CCS-3

1990–93: Postdoctoral Associate; Group CIC-3


Professional Societies

Member, American Mathematical Society

Senior Member, Institute of Electrical and Electronics Engineers



Recent preprints can be found at


See my curriculum vitae for a complete, hyperlinked listing of publications:



Selected recent publications:

[Brislawn, CM * Wohlberg, B], "The polyphase-with-advance representation and linear phase lifting factorizations", IEEE TRANSACTIONS ON SIGNAL PROCESSING, Vol.54, iss.6, pt.1, p.2022-2034, JUN 2006.

[Brislawn, C.M. * Wohlberg, B.], "Gain normalization of lifted filter banks", Signal Processing, Vol.87, iss.6, p.1281-1287, June 2007.

[Brislawn, CM * Wohlberg, B], "Symmetry-preserving lattice vector quantization for reversible half-sample symmetric FIR filter banks", CONFERENCE RECORD OF THE ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, p.878-882, 2006.

[Wohlberg, B. * Brislawn, C.M.], "Symmetric extension for lifted filter banks and obstructions to reversible implementation", Signal Processing, Vol.88, iss.1, p.131-145, January 2008.

[Brislawn, C.M.], "Equivalence of symmetric pre-extension and lifting step extension in the JPEG 2000 standard", 2007 41st Asilomar Conference on Signals, Systems and Computers (ACSSC 07), p.2105-9, 2008.

[Brislawn, CM], "Group Lifting Structures for Multirate Filter Banks I: Uniqueness of Lifting Factorizations", IEEE TRANSACTIONS ON SIGNAL PROCESSING, Vol.58, iss.4, p.2068-2077, APR 2010.

[Brislawn, CM], "Group Lifting Structures for Multirate Filter Banks II: Linear Phase Filter Banks", IEEE TRANSACTIONS ON SIGNAL PROCESSING, Vol.58, iss.4, p.2078-2087, APR 2010.

[Brislawn, C.M.], "Gain Scaling for Multirate Filter Banks", 2009 43rd Asilomar Conference on Signals, Systems and Computers, p.437-41, 2009.

[Woodring, J. * Mniszewski, S. * Brislawn, C. * DeMarle, D. * Ahrens, J.], "Revisiting wavelet compression for large-scale climate data using JPEG 2000 and ensuring data precision", Proceedings of the IEEE Symposium on Large Data Analysis and Visualization (LDAV 2011), p.31-8, 2011.

[Brislawn, C.M. * Woodring, J.L. * Mniszewski, S.M. * DeMarle, D.E. * Ahrens, J.P.], "Subband coding for large-scale scientific simulation data using JPEG 2000", Proceedings of the IEEE Southwest Symposium on Image Analysis and Interpretation, p.201-204, 2012.

[Brislawn, Christopher M.], "Group-Theoretic Structure of Linear Phase Multirate Filter Banks", IEEE TRANSACTIONS ON INFORMATION THEORY, Vol.59, iss.9, p.5842-5859, SEP 2013.