Calle Euler 148 Dpto 401, San Borja, Lima, Perú

BENJAMÍN CASTAÑEDA APHAN
Calle Euler 148 Dpto 401, San Borja, Lima, Perú
[email protected]
+51-1-999096966
RESEARCH INTEREST:
Medical imaging; Ultrasound; Elasticity; 3D image understanding; Image and signal processing; Pattern recognition.
EDUCATION:
University of Rochester
Rochester, NY
Ph.D. in Electrical & Computer Engineering, May 2009
Thesis: “Extracting Information from Sonoelastographic Images,” advisor: Kevin J. Parker
M.S. in Electrical & Computer Engineering (GPA: 4.00), March 2006
Rochester Institute of Technology (RIT)
Rochester, NY
M.S. in Computer Engineering (GPA: 4.00), June 2004
Thesis: “Support Vector Machines in a Real-Time Tracking Architecture,” advisor: Juan C. Cockburn
Pontificia Universidad Católica del Perú (PUCP)
Lima, Perú
Engineering License with outstanding mention, October 2001
Thesis: “Monitoreo de vibraciones utilizando galgas extensiométricas aplicadas al eje de un motor,”
advisor: Willy Carrera
B.S. in Electronics (Electrical) Engineering, ranked 2 out of 60, August 2000
ACADEMIC EXPERIENCE:
Pontificia Universidad Catolica del Peru
Lima, Peru (2009-Present)
- Director of Studies, Electrical Engineering
Lima, Peru (2011-Present)
- Associate Professor and Director of the Medical Image Research Laboratory Lima, Peru (2010-Present)
- Assistant Professor and Director of the Medical Image Research Laboratory Lima, Peru (2009-2010)
Implement and lead the Medical Image Research Laboratory. Projects involve cancer detection, diagnosis of
tuberculosis, and understanding of cutaneous Leishmaniasis.
University of Rochester
Rochester, NY (2004-2009)
- Research Assistant, 3D sonoelastography imaging for prostate cancer NIH Grant
Implemented in vivo and ex vivo sonoelasticity experiments to collect location, volume, and shape information from a
detected tumor. Processed data using algorithms implemented in Matlab, C++ and Insight Toolkit libraries. Worked
with clinicians to validate 3D results with histopathology slides.
- Teaching Assistant, Department of Electrical and Computer Engineering
Courses: Medical Imaging; Communication Systems; Signals and Systems.
Pontificia Universidad Católica del Perú
Lima, Peru (2006-Present)
- Co-Director, Research Group on Formation and Processing of Medical Images
Established research on image-based diagnosis of tropical diseases; led the implementation of an ultrasound lab.
- Adjunct Professor, Electrical Engineering Department
Advised students on development of Engineering (B.S.) and Master Thesis. Taught courses on Medical Imaging.
Rochester Institute of Technology
Rochester, NY (2002-2004)
- Research Assistant, Active Vision Laboratory, Computer Engineering Department
Benjamin Castaneda
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Developed Computer Vision algorithms in C++ for face detection and tracking of eye movements in a real time video
feed. Managed lab resources and planned research activities.
- Teaching Assistant, Computer Engineering Department
Courses: Control Systems.
PROFESSIONAL EXPERIENCE:
Synopsis S.A., IBM Business Partner
Lima, Peru (2001-2002)
- Instructor and Senior Programmer
Trained IBM corporative clients in: object oriented analysis and design, Visual Age for Java, data bases using DB2,
application development using Websphere application server and XML programming and related technologies.
Designed and implemented a business application module for Aetna Insurance Company following Java 2 Enterprise
Edition standards.
Procter & Gamble
Lima, Peru (2000)
- Internship in the Customer Relationship Area
Built middleware software for sharing data between P&G and its clients. Developed internal software applications
using Visual Basic to improve management and reports in the sales area.
IBM
Lima, Peru (1999-2000)
- Internship in the Software Area
Provided technical support to the sales team on IBM software products (Visual Age for Java, Websphere Application
Server, MQ Series) under different operating systems (Windows, LINUX, AIX, OS/400). Demonstrated products to
IBM clients.
JOURNAL PUBLICATIONS:
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Castaneda B., An L., Wu S., Westesson K.E., Yao J., Baxter L., Hoyt K., Strang J., Rubens D.J., Parker,
“Evaluation of Prostate Cancer Detection using in-vivo and ex-vivo Three-Dimensional Vibration
Sonoelastography,” Journal of Ultrasound in Medicine, 2011 (submitted).
Lin K., McLauglin J., Thomas A., Parker K., and Castaneda B., “Two-dimensional shear wave speed and
crawling wave speed recoveries from in vitro prostate data,” Journal of the Acoustic Society of America, accepted.
Castaneda B., Aguilar N.G., Kanashiro D., Ticona J., Lavarello R., Casado F.L., Huaroto L.M., “Automated
Tuberculosis screening using image processing tools,” The International Journal of Tuberculosis and Lung
Disease, 2010, 14:s345.
Castaneda B., Aguilar N.G., Valladares G.E., Tanta A.J., Casado F.L., Huaroto L.M., “Analysis of the diagnostic
value of the addition of methylene blue as the last step in Ziehl-Neelsen staining,” The International Journal of
Tuberculosis and Lung Disease, 2010, 14:s347.
Ginat D.T., Destounis S.V., Barr R.G., Castaneda B., Strang J., Rubens D.J., “US elastography of breast and
prostate lesions,” Radiographics, 2009, 29:2007-2016.
Hoyt K., Castaneda B., Zhang M., Nigwekar P., di Sant’Agnese P.A., Joseph J.V., Strang J., Rubens D.J., Parker
K.J., “Tissue elasticity properties as biomarkers for cancer in prostate,” Cancer Biomarkers, 2008, 4:213-255.
Zhang M., Castaneda B., Christensen J., Saad W., Bylund K., Hoyt K., Strang J.G., Rubens D.J., Parker K.J.,
“Real-time sonoelastography of hepatic thermal lesions in a swine model,” Medical Physics, 2008; 35(9):41324141.
Hoyt K., Kneezel T., Castaneda B., Parker K.J., “Quantitative sonoelastography for the in vivo assessment of
skeletal muscle viscoelasticity,” Physics in Medicine and Biology, 2008; 53(15):4063-4080.
Zhang M., Nigwekar P., Castaneda B., Hoyt K., Joseph J.V., di Sant’Agnese A., Messing E.M., Strang J.G.,
Rubens D.J., Parker K.J., “Quantitative characterization of viscoelastic properties of human prostate correlated
with histology,” Journal of Ultrasound in Medicine and Biology, 2008; 34(7):1033-1042.
Hoyt K., Castaneda B., Parker K.J., “Two dimensional sonoelastographic shear velocity imaging”, Journal of
Ultrasound in Medicine and Biology, 2008; 34(2):276-288.
Zhang M., Castaneda B., Wu Z., Nigwekar P., Joseph J., Rubens D.J., Parker K.J., “Congruence of imaging
estimator and mechanical measurements of viscoelastic properties of soft tissues,” Journal of Ultrasound in
Medicine and Biology, 2007; 33(10):1617-31.
Benjamin Castaneda
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PROCEEDING PUBLICATIONS:
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Casas-Guido L., Zvietcovitch J.F., Castaneda B., Treuillet S., “Imaging technologies applied to chronic wounds:
a survey,” invited paper to 4th International Symposium on Applied Sciences in Biomedical and Communication
Technologies, Barcelona, Spain, October 2011.
Diaz K., Castaneda B., Miranda C., Lavarello R., LLanos A., “Development of an acquisition protocol and a
segmentation algortihm for wounds of cutaneous Leishmaniasis in digital images,” Proceedings of SPIE, v. 7623,
Medical Imaging 2010: Ultrasonic Imaging and Signal Processing, pp. 76234L-1 – 76234L -8.
Castaneda B., Hoyt K., Westesson K., An L., Yao J., Baxter L., Joseph J., Strang J., Rubens D., Parker K.,
“Performance of three-dimensional sonoelastography in prostate cancer detection: A comparison between ex vivo
and in vivo experiments,” Proceedings of the 2009 IEEE Ultrasonics Symposium, pp. 519 – 522.
Castaneda B., Hoyt K., An L., Baxter, L., Yao J., Joseph J.V., Strang J., Rubens D.J., Parker K.J., “Prostate
Cancer Detection using Crawling Wave Sonoelastography,” Proceedings of SPIE, Medical Imaging 2009:
Ultrasonic Imaging and Signal Processing.
Castaneda B., Tamez-Pena G., Zhang M., Hoyt K., Bylund K., Christensen J., Saad W., Strang J., Rubens D.J.,
Parker K.J., “Measurement of thermally-ablated lesions in sonoelastographic images using level set methods,”
Proceedings of SPIE, v. 6920, Medical Imaging 2008: Ultrasonic Imaging and Signal Processing, pp. 692018-1 –
692018-8.
Diaz K., Castaneda B., “Semi-automated segmentation of the prostate gland boundary in ultrasound images
using a machine learning approach,” Proceedings of SPIE, v. 6914, Medical Imaging 2008: Image Processing, pp.
69144A-1 – 69144A-8.
Castaneda B., Hoyt K., Zhang M., Pasternack D., Baxter L., Nigwekar P., di Sant'Agnese A., Joseph J., Strang J.,
Rubens D.J., Parker K.J., “Prostate cancer detection based on three dimensional sonoelastography,” Proceedings
of the 2007 IEEE Ultrasonics Symposium, pp. 1353 – 1356.
Castaneda B., Zhang M., Hoyt K., Bylund K., Christensen J., Saad W., Strang J., Rubens D. J., Parker K. J.,
“Real-time Semi-automatic segmentation of hepatic radiofrequency ablation lesions in an in vivo porcine model
using sonoelastography,” Proceedings of the 2007 IEEE Ultrasonics Symposium, pp. 1341-1344.
Hoyt K., Castaneda B., Parker K.J., “Muscle tissue characterization using quantitative sonoelastography:
Preliminary results,” Proceedings of the 2007 IEEE Ultrasonics Symposium, pp. 365 – 368.
Hoyt K., Castaneda B., Parker K.J., “Feasibility of two-dimensional quantitative sonoelastographic imaging,”
Proceedings of the 2007 IEEE Ultrasonics Symposium, pp. 2032 – 2035.
Haak A., Castaneda B., Lavarello R., O’Brien Jr. W.D., “Semiautomatic detection of micro-bubble ultrasound
contrast agent destruction applied to Definity using support vector machines,” Proceedings of the 2007 IEEE
Ultrasonics Symposium, pp. 660 – 663.
Yaya G., Castaneda B., “Diseño y construcción de un fantoma de próstata para el tratamiento en radioterapia
conformacional,” 2007 IFMBE Proceedings, Vol. 18, pp. 615-618.
Diaz K., Castaneda B., “Uso de Contornos Dinámicos Discretos para la Segmentación de Próstata en Imágenes
de Ultrasonido en Dos Dimensiones”, 2007 IFMBE Proceedings Vol. 18, 321-324.
Castaneda B., Tamez-Pena J.G., Totterman S., O’Keefe R., Looney R.J., “Measurement of pelvic osteolytic
lesions in follow-up studies after total hip arthroplasty,” Proceedings of SPIE, v. 6143 II, Medical Imaging 2006:
Physiology, Function, and Structure from Medical Images, pp. 614323-1 – 614323-8.
Castaneda B., Cockburn J.C., “Reduced support vector machines applied to real-time face tracking,”
Proceedings of the 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, v. 2, pp.
673-676.
Castaneda B., Luzanov Y., Cockburn J.C., “Implementation of a modular real-time feature-based architecture
applied to visual face tracking,” Proceedings of the 2004 IEEE International Conference on Pattern Recognition,
v. 4, pp. 167-170.
Castaneda B., Luzanov Y., Cockburn J.C., “A modular architecture for real-time feature-based tracking,”
Proceedings of the 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing, v. 5, pp.
685-688.
CHAPTER IN BOOK:
Benjamin Castaneda
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Casado F., Lavarello R., Diaz K., Castaneda B., “Formación y Procesamiento de Imágenes Médicas en el Perú,”
chapter in the book: Perú y América Latina en La Era Digital, Transformando la Sociedad, Centro Editorial de la
Universidad Peruana Cayetano Heredia, 2007.
ABSTRACTS AND PRESENTATIONS:
 Castaneda B., Westesson K., An L., Yao J., Baxter L., Joseph J., Hoyt K., Strang J., Rubens D.J., Parker K.J.,
“Prostate Cancer Detection using 3D Vibration Sonoelastography: Ex Vivo and In Vivo Results,” American
Institute of Ultrasound in Medicine, New York, NY, 2011.
 Castaneda B., Rubens D.J., Parker K.J., “Clinical Applications of Sonoelastography, IEEE Pan American Health
Care Exchanges, Lima, Peru, 2010.
 Castaneda B., Aguilar N.G., Kanashiro D., Ticona J., Lavarello R.J., Huaroto, L.M., “Automated Tuberculosis
screening using image processing tools, IEEE Pan American Health Care Exchanges, Lima, Peru, 2010.
 Castaneda B., Hosey D., Strang J., Rubens D.J., Parker K.J., Yao J., Qu Z., “Tumor Pathology Report In 3D
Dynamic Image Format,” United States and Canadian Academy of Pathology Annual meeting, Boston, MA, 2009.
 Castaneda B., Hoyt K., Kneezel T., Wu S., Strang J., Rubens D.J., Parker K.J., “Study of the viscoelastic
properties of normal prostate tissue using crawling waves: Preliminary results,” Seventh International Conference
on the Ultrasonic Measurement and Imaging of Tissue Elasticity, Austin, TX, 2008.
 Castaneda B., Wu S., Hoyt K., Strang J., Rubens D.J., Parker K.J., “Calibration of the vibration amplitude
measure by a sonoelastographic system,” Seventh International Conference on the Ultrasonic Measurement and
Imaging of Tissue Elasticity, Austin, TX, 2008.
 Castaneda B., Wu S., Hoyt K., Baxter L., Yao J., Pasternack D., Strang J., Rubens D.J., Parker K.J., “Application
of non–rigid registration to validate detection of prostate cancer using three–dimensional sonoelastography,”
Seventh International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity, Austin, TX,
2008.
 Castaneda B., Zhang M., Hoyt K., Pasternack D., Baxter L., Nigwekar P., di Sant’Agnese A., Joseph J., Strang J.,
Rubens D.J., Parker K.J., “Sonoelastography guided biopsy for prostate cancer detection,” Sixth International
Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity, Santa Fe, NM, 2007.
 Hazard C.R., Hiltawsky K., Lin F., Rigby K.W., Seyed-Bolorforosh M., Thomenius K.E., Hall A.L., Wu Z.C., Perrey
C., Castaneda B., Hoyt K., Parker K.J., “Iterative direct strain estimation for HIFU lesion detection,” Sixth
International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity, Santa Fe, NM, 2007.
 Castaneda B., “Clinical applications of sonoelastography,” Hospital Nacional Edgardo Rebagliati Martins, Lima,
Peru, 2007.
 Castaneda B., Zhang M., Bylund K., Christensen J., Saad W., Rubens D.J., Parker K.J., “Semi-automatic
measurement of thermal ablated lesions in sonoelastography images,” Journal of Ultrasound in Medicine; 26:S87S88; 2007.
 Castaneda B., Zhang M., Wu Z., Rubens D.J., Parker K.J., “Congruence of sonoelastography crawling waves and
mechanical measurements for estimation of viscoelastic properties of soft tissues,” Fifth International Conference
on the Ultrasonic Measurement and Imaging of Tissue Elasticity, Snowbird, UT, 2006.
 Castaneda B., “Introduction to sonoelastography,” Hospital Nacional Edgardo Rebagliati Martins, Lima, Peru,
2006.
PARTICIPATION IN RESEARCH PROJECTS:
 “Improving diagnosis and treatment of cutaneous Leishmaniasis”, Interdisciplinary PUCP Research Grant, PI:
Benjamin Castaneda, Ph.D. (2011-2013)
 “Development of nano-bio-sensors for diagnosis of Tuberculosis”, Interdisciplinary PUCP Research Grant, PI:
Benjamin Castaneda, Ph.D. (2011-2013)
 “Diagnosis of Prostate cancer Detection using Sonoelastography”, PUCP Research Grant, PI: Benjamin
Castaneda, Ph.D. (2011-2012)
 “Automated Diagnosis of Tuberculosis”, PUCP Research Grant, PI: Benjamin Castaneda, Ph.D. (2009 - 2010).
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“3D prostate cancer imaging based on crawling wave excitation,” NIH Grant 5R01 AG029804, PI: Deborah J.
Rubens, M.D. (2007 – 2011), Research Assistant & Consultant.
 “Developing Computerized Screening for Early Detection of Tuberculosis in Peru,” Lindbergh Foundation, PI:
Benjamin Castaneda, Ph.D. (2009 - 2010).
Benjamin Castaneda
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“Desarrollo de capacidades de investigación en procesamiento de imágenes médicas,” Fondos Concursables –
PUCP, PI: Benjamin Castaneda, Ph.D. (2008).
“In-vivo sonoelastographic imaging of thermal lesions in an animal model,” Fischer Fund Grant 4-50275, PI:
Jared Christensen, M.D. (2006 – 2007), Research Assistant.
“3D sonoelastography for imaging prostate cancer,” NIH Grant 5R01 AG016317, PI: Deborah J. Rubens, M.D.
(2004 – 2007), Research Assistant
AWARDS AND RECOGNITIONS:
 Finalist in the New Investigator Award Competition, American Institute of Ultrasound in Medicine (2011)
 Premio a la Investigación (Research Award), PUCP, Peru (2010)
 Premio a la Investigación (Research Award), PUCP, Peru (2009)
 Intramural Grant to develop image processing tools to diagnose tropical diseases, PUCP, Peru (2008)
 Honorable Mention Poster Award, SPIE Medical Imaging (2008)
 Mondialogo Engineering Award – Honorable Mention, UNESCO and Daimler (2007)
 Winner of the Predictive Model Contest, Humana Inc. (2007)
 Finalist in the New Investigator Award Competition, American Institute of Ultrasound in Medicine (2007)
 Charles Merriam Teaching Assistant Prize, ECE – University of Rochester (2004-2005)
 Good Samaritan International Scholarship for outstanding academic performance, RIT (2003)
 Best Instructor of the year, Synopsis Educational Services, Peru (2001)
 American Airlines Leadership Fellow (Leadership for the Americas Program), Peru (2000)
 Procter & Gamble’s Award to Success, Peru (1999)
 Acknowledgement from IEEE President Kenneth R. Laker for outstanding accomplishments as student branch
chair (1999)
PROFESSIONAL ACTIVITIES:
 Program Chair of the 2010 IEEE Pan American Health Care Exchanges International Conference (2010)
 Organizing Committee of the 2010 RIAO-Optilas International Conference in Optics (2010)
 Reviewer of IEEE Transaction on Biomedical Engineering, Transactions on Medical Imaging, Latin America
(2008 – Present)
 Member of the Technical Program Committee for the Bio-engineering session of the IEEE International
Conference Andescon, Peru (2008)
 Participant of the Engineering for the Americas Program (2007)
 Vice-Chair of the Student Branch of the Rochester Institute of Technology (2002)
 Vice-Chair of the Student Activities Committee, IEEE Peruvian Section, Peru (2000).
 Chair of the IEEE Student Branch of the Pontificia Universidad Católica del Perú, Peru (1999)
 General Chair of the National Conference on Technology (CONATEC), Peru (1999)
 Member of IEEE Computer Society, IEEE Engineering in Medicine and Biology Society, IEEE Signal Processing
Society, the American Institute of Ultrasound in Medicine (AIUM), the Society for Photo-Optical Instrumentation
Engineers (SPIE) and the Rochester Center for Biomedical Ultrasound (RCBU)