Shashank Sathyanarayana Hegde
Other names used: Sathyanarayana, Shashank
web: www.mri.jhu.edu/~shashank/index / CURRENT POSITION
Post-Doctoral Fellow
EDUCATION/TRAINING
INSTITUTION AND LOCATION / DEGREE / YEAR / FIELD OF STUDY
Mysore University (SJCE), India / B.E.
(Bachelor of Engineering)
First Class w/ Distinction – 71% / 1998 / Electronic and Computer Engineering
Rutgers University, USA / M.S.
CGPA 3.56/4.0 / 2001 / Electrical and Computer Engineering (Speech Technology)
Johns Hopkins University, USA / M.S. and Ph.D.
CGPA 3.52/4.0 / 2009 / Electrical and Computer Engineering (Magnetic Resonance Imaging - MRI)
Johns Hopkins University, USA / Post-Doctoral Fellow / 2012 - present / Radiology (MRI)
A. Personal Statement
I have worked for the past 10 years in the field of MRI designing algorithms, implementing pulse sequences, and building microcoils for fast interventional MRI.
Previous Positions
1998 - 1999 / Systems engineer, Telecommunications Division, WIPRO Infotech, India1999 - 2001 / Research Assistant, Rutgers University, NJ, USA
2001 - 2002 / Systems engineer, Speech .NET Division, Microsoft Corporation, Redmond, USA. Worked on web-based speech applications.
2003 - 2009 / Research Assistant, Johns Hopkins University, Baltimore, USA. Extensive work on the 3T Achieva Philips MR scanner, designing and implementing pulse sequences, designing RF pulses and interfacing coils to the scanner.
2009 - 2011 / Systems Specialist, MR Software & Applications, GE Healthcare, John F. Welch Technology Centre, Bangalore, India.
Developed, tested and documented pulse sequences for commercial applications (mainly cardiac, liver and MR elastography) on GE’s HDx and DV MRI scanners. Familiar with software design lifecycle and quality processes.
2012 onwards / Post-Doctoral Fellow, Department of Radiology, Johns Hopkins University, Baltimore, USA. Working on Philips and Siemens MR scanners, including reconstruction and post-processing algorithms.
Publications (last first)
Note: Some of my publications have “Sathyanarayana” as the last name
Pubmed search term: ((((Hegde, Shashank[Author]) OR Hegde SS[Author]) OR Sathyanarayana, Shashank[Author]) OR Sathyanarayana, S[Author]) AND Johns Hopkins[Affiliation]
Journal papers
1. Shashank S. Hegde, Yi Zhang, Paul A. Bottomley, “Acceleration and motion-correction techniques for high-resolution intravascular MRI”, (Early View, Magnetic Resonance in Medicine, 2014)
2. Shashank Sathyanarayana, Michael Schär, Dara L. Kraitchman, Paul A. Bottomley, “Towards Real-Time Intravascular Endoscopic Magnetic Resonance Imaging”, Journal of the American College of Cardiology (Cardiovascular Imaging), Vol. 3, No. 11, 2010, pp. 1158-1165. Also see journal cover and editorial (available on my home page - www.mri.jhu.edu/~shashank/index)
3. Shashank Sathyanarayana, Paul A. Bottomley, “MRI endoscopy using intrinsically localized probes”, Medical Physics, vol. 36,pp. 908-919(2009)
4. Shashank Sathyanarayana, Pelin Aksit, Aravind Arepally, Parag Karmarkar, Meiyappan Solaiyappan, Ergin Atalar, “Tracking Planar Orientations of Active MRI Needles”, Journal of Magnetic Resonance Imaging, vol. 26,pp. 386-391(2007)
5. Refaat ElSayed Gabr,Shashank Sathyanarayana, Michael Schär, Robert G. Weiss, Paul A. Bottomley, “On Restoring Motion-Induced Signal Loss in Single-Voxel Magnetic Resonance Spectra”, Magnetic Resonance in Medicine, vol. 56,pp. 754-760(2006)
Conference proceedings
1. Shashank S. Hegde, Yi Zhang, Paul A. Bottomley, “In vivo accelerated, motion-corrected free-breathing 3T intravascular MRI”, International Society for Magnetic Resonance in Medicine, 22, Milan, Italy (2014), pp. 3703
2. A. Erturk, S. S. Hegde, P. A. Bottomley, “A combined high-resolution internal imaging and RF ablation probe at 3T”, 10th Interventional MRI Symposium - iMRI 2014, Leipzig (Oct. 10, 2014), Poster-45, pp. 136
3. Shashank S. Hegde, Li Pan, Guan Wang, Yingli Fu, Dara Kraitchman, “Multinuclear (19F+1H) high-resolution intravascular MRI of perfluorooctyl bromide (PFOB) microcapsules at 3T”, International Society for Magnetic Resonance in Medicine, 22, Milan, Italy (2014), pp. 3698
4. Shashank S. Hegde, Li Pan, Guan Wang, Yingli Fu, Dara Kraitchman, “Multinuclear (19F+1H) intravascular MRI at 3T”, 10th Interventional MRI Symposium - iMRI 2014, Leipzig (Oct. 10, 2014), Poster-39, pp. 128
5. Guan Wang, Yingli Fu, Shashank S. Hegde, Steven M. Shea, Dara L. Kraitchman, “Quantitative 19F MRI and CT tracking of Microencapsulated Stem Cells in a rabbit peripheral arterial disease model”, International Society for Magnetic Resonance in Medicine, 22, Milan, Italy (2014), pp. 2838
6. Guan Wang, M. Arcan Erturk, Shashank S. Hegde, Paul A. Bottomley, “High-resolution multi-parametric characterization of atherosclerotic lesions with 3T intravascular MRI”, International Society for Magnetic Resonance in Medicine, 22, Milan, Italy (2014), pp. 2534
7. Shashank S. Hegde, Yi Zhang, Paul A. Bottomley, “Accelerated, motion-corrected high-resolution intravascular MRI at 3T”, International Society for Magnetic Resonance in Medicine, 21, Salt Lake City, USA (2013). pp. 0473.
8. Shashank S. Hegde, Clifford R. Weiss, M. Arcan Erturk and Paul A. Bottomley, “3T intravascular MRI, IVUS and OCT: A study in contrast”, International Society for Magnetic Resonance in Medicine, 21, Salt Lake City, USA (2013), pp. 1833.
9. Shashank S. Hegde, Steven M. Shea, Li Pan, Parag Karmarkar, Julien Barbot, Klaus J. Kirchberg, Fijoy Vadakkumpadan, Jeremy Maurer, Judy Cook, Natalia Trayanova, Meiyappan Solaiyappan, Peter V. Johnston, Dara L. Kraitchman, “Transendocardial therapeutic-delivery using real-time MRI guidance,” International Society for Magnetic Resonance in Medicine, 21, Salt Lake City, USA (2013), pp. 4314.
10. Shashank S. Hegde, Steven M. Shea, Li Pan, Parag Karmarkar, Julien Barbot, Klaus J. Kirchberg, Fijoy Vadakkumpadan, Jeremy Maurer, Judy Cook, Natalia Trayanova, Meiyappan Solaiyappan, Peter Johnston, Dara Kraitchman, “Transmyocardial Therapeutic-Delivery using Real-Time MRI Guidance”, Society of Cardiovascular Magnetic Resonance Scientific Sessions, February 1-3, USA, poster P15 (2013)
11. Shashank S. Hegde, Paul A. Bottomley, “Motion correction in intravascular MRI using projection reconstruction”, Proceedings of the 9th interventional MRI Symposium, September 22-23, Boston, MA, USA, pp. 89 (2012)
12. Shashank S. Hegde, Steven M. Shea, Li Pan, Julien Barbot, Klaus J. Kirchberg, Jeremy Maurer, Judy Cook, Peter Johnston, Dara Kraitchman, “Transendocardial therapeutics using real-time MR guidance at 3T”, Proceedings of the 9th interventional MRI Symposium, September 22-23, Boston, MA, USA, pp. 43 (2012)
13. Shashank Sathyanarayana, Michael Schär, Meiyappan Solaiyappan, Paul A. Bottomley, “Real-time intravascular MRI endoscopy at 3T”,pp. 65, Proceedings of the International Society for Magnetic Resonance in Medicine, 17 (2009)
14. Shashank Sathyanarayana, Michael Schär, Paul A. Bottomley, “MRI endoscopy at 3T”,pp. 279, Proceedings of the International Society for Magnetic Resonance in Medicine, 16 (2008)
15. Shashank Sathyanarayana, Michael Schär, Paul A. Bottomley, “An MRI endoscope?”,pp. 492, Proceedings of the International Society for Magnetic Resonance in Medicine, 15 (2007)
16. Shashank Sathyanarayana, Pelin Aksit, Aravind Arepally, Parag Karmarkar, Meiyappan Solaiyappan, Ergin Atalar, “Tracking Planar Orientations of Active Interventional Devices for Realtime Image Guided Procedures”,pp. 3351,Proceedings of the International Society for Magnetic Resonance in Medicine, 14(2006)
17. Shashank Sathyanarayana, “A Method for Electronic Mail Dictation & Retrieval Over the Telephone”, CAIP Technical Report and MS Thesis, TR-261,Piscataway, NJ, July 2001.Advisor: Dr. James L. Flanagan
18. Christopher V. Alvino, Deborah M Grove, James T. Kleban, Shashank Sathyanarayana, “Speech/nonspeech discrimination in reverberant teleconferencing environments for acoustical source location”, The Journal of the Acoustical Society of America, Volume 107, Issue 5, May 2000, pp.2790
Thesis:
1. Shashank Sathyanarayana, “Dynamic MRI using internal detectors”, Baltimore, Maryland, June, 2009. (Ph.D. Thesis)
2. Shashank Sathyanarayana, “A Method for Electronic Mail Dictation & Retrieval Over the Telephone”, CAIP Technical Report, TR-261, July 2001, Piscataway, NJ. (M.S. Thesis)
3. Shashank Sathyanarayana, “A Robust Algorithm for Speech Activity Detection in isolated phrase recognition systems using a filter-bank approach”, Mysore, India, July 1998 (B.E project)
Invited Talks
· Co-author on invited talk: P. A. Bottomley, Y. Zhang, G, Wang, M. A. Erturk, S. S. Hegde, “MRI endoscopy: a path to high resolution parametric imaging and intervention”, 10th Interventional MRI Symposium - iMRI 2014, Leipzig (Oct. 10, 2014), V-13, pp 39.
· “Advanced pulse sequences”, MRI India Consortium, Dayanandasagar College of Engineering, Bangalore, India. May 30th, 2014.
Honors
· Distinguished Reviewer (2014) for Journal of Magnetic Resonance Imaging, Reviewer IEEE Transactions in Biomedical Engineering
· ISMRM student member (2003-2009) and (2012-present). Recipient of E. K. Zavoisky educational stipend for 2007, 2008, 2009
· Patent Application (Licensed to MRI Interventions, Inc., Irvine, CA.): Paul A Bottomley, Shashank Sathyanarayana, “Methods, Systems And Devices For Local Magnetic Resonance Imaging”, application 20100256480.
· Patent Application: Pelin Aksit, Shashank Sathyanarayana, Meiyappan Solaiyappan, Ergin Atalar, “System And Method For Image-based Interventional Device Tracking And Scan Plane Guidance”, application 20070249934
· Prototype “email dictation and retrieval using the PhoneBrowser platform” presented at AVAYA communication, internal product review, 2001
· First runner-up, India region, TI-DSP Solutions Challenge 1997. “A Chaotic Approach to Secure Communication – Encoding Schemes for Digitized Images.” Cash prize of Rs. 90,000 (for team of four)
Teaching Experience
· Part-instructor for graduate level MRI course, spring 2014
· Basics of MR physics - taught in multiple session to new recruits and team members in GE Healthcare, Bangalore, 2009 – 2011
· One-day instructional MR course, BMS College of Engineering, Bangalore, April 2011
· MR-physics and GE pulse sequence details, Max Healthcare, Delhi, May 2011
Skills
· Pulse sequence programming and scanning experience on all three MR vendors: Philips, GE and Siemens. I have designed and programmed RF pulses, introduced new sampling schemes, programmed user-interfaces and optimized protocols for research and clinical grade scanning.
· Excellent MATLAB skills for algorithm development and fast prototyping.
· Hardware expertise: RF microcoil-design and construction, scanner-coil interface assembly, adept at using RF equipment including network analyzer, oscilloscopes.
Personal Information
Date of Birth: 25 August, 1975
Citizenship: Indian
Address:
600 N. Wolfe street,
Park building, #315,
Baltimore, MD. 21287
Ph. 443-858-1069
web: www.mri.jhu.edu/~shashank/index
email: ,