Electrical Engineer
Resume:
BHARATH AMBALE VENKATESH
*** **** ***** ******, #**, Auburn AL-36830, Ph: 334-***-****
*************@*******.***, www.eng.auburn.edu/~ambalbv
INTERESTS
Medical Image Analysis
Motion Estimation
Cardiovascular MRI
Image Processing
Estimation of Stochastic Processes
Numerical Methods
Data Visualization
Optimization
EDUCATION
Ph.D., Electrical and Computer Engineer, Present
M.E.E., Electrical and Computer Engineering, Jul 2007
Auburn University, Auburn, AL, USA
GPA:3.94/4.00
B.E., Electronics and Communication Engineering, Jun 2004
BMS College of Engineering, Bangalore, India
First Class Distinction
GRADUATE RESEARCH ASSISTANT, Aug 2005 - Present
Cardiac Motion Estimation by Unwrapping the Harmonic Phase (HARP) MR Image
(Dept of ECE)
. Formulated automated phase unwrapping based on annealing to unwrap the
Harmonic Phase image.
. Built graphical user interface for error-free phase unwrapping using
selective manual intervention.
. Applied motion estimation techniques to determine the displacement
between timeframes.
. Implemented procedures to obtain 4D strain and torsion measurements in
the left and right ventricles.
Cardiovascular Magnetic Resonance (MR) Image Analysis (Dept of ECE)
. Processed cine and tagged MR images using in-house software.
. Created tools for time series analysis and contour approximation.
. Implemented procedures for torsion and shear angle computation.
. Calculated geometric and functional parameters.
. Analyzed 3D strain and volume models of the left and right ventricles.
. Performed statistical analysis for comparison of different measured
parameters.
. Explained the energy mechanics in the heart using commonly measured
parameters.
. Solved memory utilization problems to efficiently implement 3D model
reconstruction algorithms.
Error Estimation in Measuring Concentrations using Image Analysis (Dept of
Civil Engg.)
. Measured concentration and density in porous media experiments using
image analysis.
. Proposed statistical error estimation method to quantify errors.
Deformation Calculation Using Image Correlation in Dynamic Fracture (Dept
of Mech. Engg.)
. Examined correlation techniques to match deformed and undeformed images.
. Optimized affine transformations to get sub-pixel displacement estimates
and resulting strain.
INTERN, Aug 2004 - May 2006
Thomas Walter Center for Technology Management, Auburn University
. Assisted Auburn University Office of Technology Transfer in
commercializing inventions.
. Evaluated claims of inventors and conducted technological assessment.
Searched for prior patents.
. Located potential markets in the US and outside.
. Identified list of companies, individuals and organizations that might
have an interest.
. Prepared non-technical flyers on technologies for distribution.
. Researched technical and economic implications of scaling the invention
to commercial size.
. Worked with cross-functional teams.
INTERN, Nov 2003 - Jun 2004
Indian Institute of Science, Bangalore, India,
An ADSP2181 Based Display
. Interfaced ADSP-2181 processor with a computer, memory and keyboard.
. Explored simple image processing applications.
AWARDS
. Research Fellowship Award, Aug 2005 - Present
. Graduate Assistantship Award, Aug 2004 - May 2006
CLASS PROJECTS
. An introduction to phase unwrapping algorithms and theory.
. Face recognition using correlation filters.
Minimize response time by optimizing the number of processors: a queue-
based approach.
. Performance comparison of a supercomputer and a cluster of processors.
. Solution to a heat equation posed on a 2-dimensional spatial domain.
. The 2D Poisson Equation: Solutions and applications.
. Design and implementation of a small RISC CPU.
RELEVANT GRADUATE COURSEWORK
Digital Signal Processing
Stochastic Signal & System Analysis
Computed Imaging Systems
Digital Image Processing
Numerical Analysis
Optimization Theory
Neural Networks
Parallel Processing
High Performance Computing
Computation & Scientific Visualization
Applied Computation in Signals & Systems
Detection & Estimation Theory
COMPUTER SKILLS
Scientific Software: MATLAB, VHDL, Pspice, Electronic Workbench
Programming Language and tools: C, C++, MPI, OpenMP
Platforms: MSDOS, Windows, UNIX
Presentation software: Adobe (Illustrator, Photoshop), GIMP, IBM
Visualization Data Explorer, Microsoft Office (PowerPoint, Word, Excel),
LateX, HTML
PUBLICATIONS
Journal Articles
1. Ambale, B, Denney Jr., TS, Lloyd, SG, Dell'Italia, LJ, Gupta, H, "3D
Left Ventricular Strain from Unwrapped Harmonic Phase Measurements." J. of
Mag. Res. Imag.; 31(4): 854-862.
2. Goswami, R. R., Ambale, B, Clement, T. P.,"Estimating Errors in
Concentration Measurements Obtained from Image Analysis," Vadose Zone J,
2009 8: 108-118.
3. Gupta, H, Desai, VR, Ambale, B, Ahmed, MI, Lloyd, SG, Calhoun, D,
McGiffin, D, Denney, Jr TS, Dell'italia, LJ," Left Ventricular Torsional
Hysteresis: A Global Parameter for Diastolic Function," submitted.
4. Ambale, B, Lloyd, SG, Denney Jr., TS,Dell'Italia, LJ, Gupta, H, "4D
Right Ventricular Strain and Geometry in Pulmonary Hypertension and
Normals," submitted.
5. Ambale, B, Denney Jr., TS, Lloyd, SG, Dell'Italia, LJ, Gupta, H, "4D
left ventricular strain by phase unwrapping: a simulated annealing based
branch-cut placement method," in preparation.
Conference Proceedings
1. Ambale, B, Lloyd, SG, Denney Jr., TS,Dell'Italia, LJ, Gupta, H, "4D
Right Ventricular Strain and Geometry in Pulmonary Hypertension and
Normals," 18th Meeting of the International Society for Magnetic
Resonance in Medicine, April 2010.
2. Desai, VR, Ahmed, MI, Gladden, JD, Inusah, S, Gaddam, KK, Ambale, B,
Lloyd, SG, Denney, TS, Calhoun, D, Gupta, H, "Torsional Deformation
Compensates for Depressed Systolic Myocardial Strains in Hypertensive
Concentric Left Ventricular Hypertrophy," American Heart Association
Scientific Sessions, Orlando, FL, November, 2009.
3. Ambale, B, Denney Jr., TS, Lloyd, SG, Dell'Italia, LJ, Gupta, H, "3D
left ventricular strain by phase unwrapping: a simulated annealing based
branch-cut placement method," 2009 International Symposium on Biomedical
Imaging, Boston, June 2008.
4. Ambale, B, Lloyd, SG, Denney Jr., TS,Dell'Italia, LJ, Benza,R, Gupta, H,
"Comparison of 2D and 3D Torsion Measured from Tagged MRI," 17th Meeting
of the International Society for Magnetic Resonance in Medicine, April
2009.
5. Ambale, B, Denney Jr., TS, Lloyd, SG, Dell'Italia, LJ, Gupta, H,
"Measuring 3D left ventricular strain from unwrapped harmonic phase," 2008
International Symposium on Biomedical Imaging, Paris, France, April 2008.
6. Ambale, B, Lloyd, SG, Denney Jr., TS,Dell'Italia, LJ, Benza,R, Gupta, H,
"3D Right Ventricular Strain and Geometry in Pulmonary Hypertension and
Normals," 16th Meeting of the International Society for Magnetic Resonance
in Medicine, May 2008.
Presentations
Ambale, B, Denney Jr., TS, Lloyd, SG, Dell'Italia, LJ, Gupta, H, "3D left
ventricular strain by phase unwrapping: a simulated annealing based branch-
cut placement method," 2009 International Symposium on Biomedical Imaging,
Boston, June 2008.
Dissertation
4D Biventricular Strain from Tagged Magnetic Resonance Images.
REVIEWER
. IEEE Transactions in Image Processing.
. International Society for Magnetic Resonance in Medicine.
REFERENCES
Thomas S. Denney Jr., Ph. D. (Advisor and Committee Chair)
Professor, Department of Electrical and Computer Engineering
Director, Auburn University MRI Research Center
Auburn University, AL 36849-5201.
Office: 365 Broun Hall
Telephone: 334-***-****
Fax: 334-***-****
Email: *******@******.***
Stanley J. Reeves, Ph. D. (Committee Member)
Professor, Department of Electrical and Computer Engineering
Auburn University, AL 36849-5201
Office: 221 Broun Hall
Telephone: 334-***-****
Fax: 334-***-****
Email: *******@******.***
Himanshu Gupta, M.D., F.A.C.C. (Research Consultant)
Associate Professor of Medicine
Associate Director, Cardiovascular MRI
University of Alabama at Birmingham
BDB-101, 1808 7th Avenue South
Birmingham, AL 35294-0012
Telephone: 205-***-****
Fax: 205-***-****
Email: ******@********.***.***.***
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