Luiz F. O. Chamon
http://www.seas.upenn.edu/ luizf
luizf@seas.upenn.edu
Education
University of Pennsylvania
2015–present
Ph.D. Electrical Engineering (Signal Processing)
Polytechnic School of the University of São Paulo—Brazil
2012–2015
M.Sc. Electrical Engineering (Signal Processing)
• Title: Combinations of Adaptive Filters
• Main contributions include (i) a formal definition of combinations and a taxonomy to classify
them; (ii) novel topologies (coefficient feedback, incremental chains, parallel-incremental
structure); (iii) data reusing combinations; and (iv) combination as a complexity reduction
technique.
Polytechnic School of the University of São Paulo—Brazil
B.Sc. in Electrical Engineering (Electronic systems)
• Published 4 papers in international conferences before graduation.
2006–2011
Additional Coursework
École Centrale de Lyon and INSA-Lyon—France
Undergraduate exchange
• Student of the M.Sc. in Acoustics during one semester. Coursework included building
acoustics, active noise and vibration control, ultrasound, and nondestructive testing.
2009
Scholarships & Awards
• 2015–2020: University of Pennsylvania Ph.D. fellowship.
• 2015: Technical support staff fellowship (FAPESP—São Paulo Research Foundation).
• 2014: Technological and Industrial Development fellowship (CNPq—Ministry of Science,
Technology, and Innovation).
• 2013: IEEE Standard Education Committee grant.
• 2012–2014: Master’s scholarship (CAPES).
• 2012: IEEE Signal Processing Society grant for attending ICASSP 2012.
• 2010–2011: Undergraduate research scholarship (University of São Paulo Foundation).
Research Experience
Polytechnic School of the University of São Paulo—Brazil
2010–2013
Mechanical Engineering Department
• Signal Processing R &D for an aircraft cabin comfort study involving several universities and
EMBRAER (Brazilian aeronautic industry). Worked on the design and implementation of the
vibroacoustic system of a full-sized aircraft cabin simulator.
• Contributions included novel equalization techniques, acoustical design, customized sensing
solutions, and statistical analyses leading to a passenger comfort model.
Polytechnic School of the University of São Paulo—Brazil
2010–2011
Electronic Systems Engineering Department
• Undergraduate research project studying adaptive filtering for time delay estimation in
complex scenarios (deep space navigation).
Polytechnic School of the University of São Paulo—Brazil
2009–2011
Mechanical Engineering Department
• Student researcher in a CAPES/DAAD project investigating acoustic measurements and
auralization involving the Institut für Technische Akustik (ITA-RWTH), Germany.
Teaching
Polytechnic School of the University of São Paulo—Brazil
2013–2014
TA for the Stochastic Processes undergraduate course
• Developed recitations, exercise sets, and a framework for automatic online feedback on
MATLAB/Octave programming exercises.
• Produced online video support materials that accumulated over 10.000 views (available on
Youtube—in Portuguese).
INSACAST Formation Continue—France
2009
Assistant instructor
• Taught hands-on undergraduate laboratories and workshops on nondestructive testing using
ultrasound for certifying courses (COFREND and Dassault Aviation).
• Developed and presented in-depth tutorials on nondestructive testing of concrete using
ultrasound and nondestructive elasticity measurements.
Professional Experience
Statistical analyses consulting
2010–present
• Statistical consulting for researches in medicine, behavioral sciences, ergonomics etc.
INSACAST Formation Continue—France
• Consultant in the design of a crack detection system for Saint-Gobain.
2009
National Institute for Space Research (INPE)—Brazil
2004
• Laboratory assistant of the Satellite Power Supply Group. Participated in solar cells tests,
project revisions, and power budget negotiations with Chinese delegations.
Languages
• Fluent in English (TOEFL iBT: 114), French, and Portuguese.
Reviewer/Referee
• IEEE Signal Processing Letters; EURASIP Journal on Advances in Signal Processing; IEEE
Transactions on Signal and Information Processing over Networks; IEEE CAMSAP.
Technical Skills
Software
• > 10 years of experience with low level programming, DSP, and embedded systems.
• Linux shared server and web server administration (LPS Cloud).
• Programming: MATLAB/Octave, C, C++, Verilog, R, Python, Lua, and PHP.
Hardware
• 5 years of experience with acoustical design and electronics for audio signal processing.
• Printed circuit board design and assembly (mixed signals, signal integrity).
• Sensing and signal conditioning systems.
• Digital hardware development and FPGA.
Projects
Software & Signal Processing
SVD-based MIMO equalizer. Novel offline acoustic MIMO equalization technique for
environments with high correlation among sensors and/or actuators.
AFTBX. A MATLAB toolbox that provides an intuitive interface to vectorized adaptive
algorithms that are up to 10 times faster than typical implementations (website).
PHP framework for exercise correction. A MATLAB/PHP solution to automatically correct
programming exercises and give instantaneous feedback to students about their work.
Implemented to be used in Stochastic Processes undergraduate classes.
Hardware
Wireless Power Transfer Development of a Qi -compliant wireless power transfer system.
Supported by an IEEE Standards Education Committee grant.
MEMS accelerometers interface. Interfacing MEMS sensors with commercial audio
preamplifiers using phantom power. Reduces up to five times the sensing solution cost.
Nondestructive inspection for Saint-Gobain. Production line ultrasound crack detection
system to avoid machine damages and reduce maintenance breaks.
Publications (Google citations)
Journals
[1]
D. Lamb, L.F.O. Chamon, and V.H. Nascimento. An efficient filtering structure for spline
interpolation and decimation. IET Electronics Letters, 2015.
[2]
H.F. Ferro, L.F.O. Chamon, and C.G. Lopes. FIR-IIR adaptive filters hybrid combination.
IET Electronics Letters, 50[7]:501–503, 2014.
Conferences
[1]
C.G. Lopes, L.F.O. Chamon, and V.H. Nascimento. Towards spatially universal adaptive
networks. In: Global Conference on Signal and Information Processing (GlobalSip), 2014.
(Invited paper).
[2]
L.F.O. Chamon and C.G. Lopes. There’s plenty of room at the bottom: Incremental
combinations of sign-error LMS filters. In: International Conference in Acoustic, Speech, and
Signal Processing (ICASSP), p. 7248–7252, 2014.
[3]
L.F.O. Chamon and C.G. Lopes. Transient performance of an incremental combination of
LMS filters. In: European Signal Processing Conference (EUSIPCO), p. 7298–7302, 2013.
[4]
L.F.O. Chamon and C.G. Lopes. On parallel-incremental combinations of LMS filters that
outperform the Affine Projection Algorithm. In: Brazilian Telecommunication
Symposium (SBrT), 2013.
[5]
L.F.O. Chamon and A.M.P. de Lucena. Determination of the minimum distance between
symbols of the two non-orthogonal M-QAM carriers. In: Brazilian Telecommunication
Symposium (SBrT), 2013.
[6]
L.F.O. Chamon, H.F. Ferro, and C.G. Lopes. A data reusage algorithm based on incremental
combination of LMS filters. In: Asilomar Conference on Signals, Systems and Computers, p.
406–410, 2012.
[7]
R.F. Bittencourt, L.F.O. Chamon, S. Futatsugui, J.I. Yanagihara, and S.N.Y. Gerges.
Preliminary results on the modeling of aircraft vibroacoustic comfort. In: INTERNOISE, 2012.
[8]
L.F.O. Chamon, W.B. Lopes, and C.G. Lopes. Combination of adaptive filters with
coefficients feedback. In: International Conference in Acoustic, Speech, and Signal
Processing (ICASSP), p. 3785–3788, 2012.
[9]
L.F.O. Chamon and C.G. Lopes. Combination of adaptive filters for relative navigation. In:
European Signal Processing Conference (EUSIPCO), p. 1771–1775, 2011.
[10] L.F.O. Chamon, G.S. Quiqueto, S.R. Bistafa, and V.H. Nascimento. An SVD-based MIMO
equalizer applied to the auralization of aircraft noise in a cabin simulator. In: 18th
International Congress on Sound and Vibration (ICSV), 2011.
[11] L.F.O. Chamon, G.S. Quiqueto, and S.R. Bistafa. The application of the Singular Value
Decomposition for the decoupling of the vibratory reproduction system of an aircraft cabin
simulator. In: II SAE Brazil International Noise and Vibration Congress, 2010.
[12] G.S. Quiqueto, L.F.O. Chamon, and S.R. Bistafa. Preliminary results on the development of
an aircraft cabin N&V simulator. In: II SAE Brazil International Noise and Vibration
Congress, 2010.
[13] L.F.O. Chamon and T. Tachibana. Multicriteria analysis for recycling problems: a case study
at the Polytechnic School of the University of São Paulo. In: 62nd Annual Congress of the
Brazilian Materials Association, 2007.
Technical reports
[1]
L.F.O. Chamon. Statistical analysis of the vibroacoustic dedicated trials. Technical report,
Polytechnic School of the University of São Paulo, Brazil, 2014.
[2]
H.M. Santos, L.F.O. Chamon, and C.G. Lopes. Implementation of a Qi compliant wireless
power system for an underwater probe. White paper, IEEE Standards Education Committee,
2013.
[3]
L.F.O. Chamon. Specification and validation of the vibroacoustic reproduction and
monitoring system of the integrated simulator. Technical report, Polytechnic School of the
University of São Paulo, Brazil, 2012.
[4]
G.S. Quiqueto, L.F.O. Chamon, and S.R. Bistafa. Vibroacoustic excitation description and
validation criteria for the integrated simulator. Technical report, Polytechnic School of the
University of São Paulo, Brazil, 2010.
[5]
L.F.O. Chamon and V.H. Nascimento. Reproduction of the acoustic field of aircraft cabins.
Senior project, Polytechnic School of the University of São Paulo, Brazil, 2010.
[6]
L.F.O. Chamon. Non-destructive testing of concrete using ultrasound. Tutorial, INSACAST
Formation Continue, Lyon, France, 2009.