Andinet Enquobahrie

Andinet Enquobahrie

Director of Medical Computing

Andinet Enquobahrie is the Director of Medical Computing at Kitware Inc. As a subject matter expert, he is responsible for technical contribution and management of image guided intervention, medical robotics and surgical simulation projects. His recent research efforts are focused on multi-modal image processing algorithms (ultrasound, CT and MRI) for image-guided intervention, use of PET-CT imaging to improve the clinical effectiveness of lesion biopsy, laparoscopic surgical procedures, and augmented reality systems for image-guided and robotic systems. He is one of the main developers of the Image Guided Surgery Application (IGSTK) toolkit, a cross platform, open source C++ software library that provides basic components needed to prototype image-guided surgery applications. He has been a principal investigator and co-investigator of several research grants and he has lead several commercial projects.

In his leadership role, Dr. Enquobahrie builds and maintains research relationship with external collaborators. He explores funding opportunities, prepares competitive proposals and leads a team of scientists and research and development engineers working on cutting-edge research in the field of medical computing at Kitware. Dr. Enquobahrie received his PhD degree in Electrical and Computer Engineering from Cornell University. He has an MBA from Poole College of Management at North Carolina State University with an emphasis in innovation management, product innovation and technology evaluation and commercialization. Dr. Enquobahrie has authored or co-authored more than 40 publications in image analysis, visualization and image-guided intervention area. Dr. Enquobahrie serves as a program committee member for SPIE Medical Imaging and Computer Assisted Radiology and Surgery (CARS) conferences. He has been serving as a technical reviewer for several medical image analysis and image-guided intervention journals including Medical Imaging Computing and Computer Assisted Intervention (MICCAI), Computer Methods and Programs in Biomedicine, Academic Radiology, Journal of Digital Imaging, IEEE Transactions on Medical Imaging, IEEE International Conference on Robotics and Automation.

  1. A. Porras et al., "Locally Affine Diffeomorphic Surface Registration and Its Application to Surgical Planning of Fronto-Orbital Advancement," IEEE Transactions on Medical Imaging, vol. 37, no. 7, pp. 1690-1700, Jul. 2018.
  2. S. Horvath, B. Paniagua, J. Andruejol, A. Porras, M. Linguraru, and A. Enquobahrie, "Osteotomy planner: an open-source tool for osteotomy simulation," presented at the Image-Guided Procedures, Robotic Interventions, and Modeling, Houston, United States, 2018.
  3. V. Arikatla et al., "High fidelity virtual reality orthognathic surgery simulator," presented at the Image-Guided Procedures, Robotic Interventions, and Modeling, Houston, United States, 2018.
  4. D. Qi, K. Panneerselvam, W. Ahn, V. Arikatla, A. Enquobahrie, and S. De, "Virtual interactive suturing for the Fundamentals of Laparoscopic Surgery (FLS)," Journal of Biomedical Informatics, vol. 75, pp. 48-62, Nov. 2017.
  5. S. Dangi et al., "Robust head CT image registration pipeline for craniosynostosis skull correction surgery," Healthcare Technology Letters, vol. 4, no. 5, pp. 174-178, Oct. 2017.
  6. A. Hasan, E. Kolahdouz, A. Enquobahrie, T. Caranasos, J. Vavalle, and B. Griffith, "Image-based immersed boundary model of the aortic root," Medical Engineering & Physics, vol. 47, pp. 72-84, Sep. 2017.
  7. R. Zhang et al., "A deformable registration workflow for motion correction in PET-CT guided biopsy," presented at the Society of Nuclear Medicine and Molecular Imaging Annual Meeting (SNMMI), Denver, Colorado, 2017.
  8. L. Potter, S. Arikatla, A. Bray, J. Webb, and A. Enquobahrie, "Physiology informed virtual surgical planning: a case study with a virtual airway surgical planner and BioGears," presented at the SPIE Medical Imaging, Orlando, Florida, United States, 2017.
  9. P. Tabrizi et al., "Temporal bone dissection simulator for training pediatric otolaryngology surgeons," presented at the SPIE Medical Imaging, Orlando, Florida, United States, 2017.
  10. A. Porras, D. Zukić, A. Enquobahrie, R. Keating, G. Rogers, and M. Linguraru, "Personalized Optimal Planning of Fronto-Orbital Advancement Surgery for the Correction of Metopic Craniosynostosis from CT," presented at the American Cleft Palate-Craniofacial Association's Annual Meeting, Colorado Springs, CO, USA, 2017.
  11. A. Porras et al., "Locally Affine Diffeomorphic Surface Registration for Planning of Metopic Craniosynostosis Surgery," in Medical Image Computing and Computer-Assisted Intervention − MICCAI 2017. Springer International Publishing, 2017, pp. 479-487.
  12. L. Tu et al., "Intracranial Volume Quantification from 3D Photography," in Computer Assisted and Robotic Endoscopy and Clinical Image-Based Procedures. Springer International Publishing, 2017, pp. 116-123.
  13. K. Brady, B. Wu, S. Sim, A. Enquobahrie, R. Ortiz, and S. Arikatla, "Modeling Reduced User Experience Caused by Visual Latency," in Advances in Ergonomics Modeling, Usability & Special Populations. Springer International Publishing, 2017, pp. 267-277.
  14. S. Sim, B. Wu, K. Brady, A. Enquobahrie, R. Ortiz, and S. Arikatla, "Quantifying the Effects of Reduced Update Rate on Motor Performance and User Experience," in Advances in Ergonomics Modeling, Usability & Special Populations. Springer International Publishing, 2017, pp. 255-265.
  15. A. Porras, D. Zukić, A. Equobahrie, G. Rogers, and M. Linguraru, "Personalized Optimal Planning for the Surgical Correction of Metopic Craniosynostosis," presented at the MICCAI Workshop on Clinical Image-based Procedures, Athens, Greece, 2016.
  16. D. Zukić, Z. Mullen, D. Byrd, P. Kinahan, and A. Enquobahrie, "A web-based platform for a high throughput calibration of PET scans," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS), Heidelberg, Germany, 2016.
  17. V. Arikatla et al., "An Approach for Automated Scene Management in Real-Time Medical Simulation Framework," Studies in Health Technology and Informatics, vol. 220, pp. 25-28, 2016.
  18. C. Quammen et al., "The Virtual Pediatric Airways Workbench," Studies in Health Technology and Informatics, vol. 220, pp. 295-300, 2016.
  19. V. Arikatla, R. Ortiz, S. De, and A. Enquobahrie, "A Unified Framework for Haptic Interaction in Multimodal Virtual Environments," Studies in Health Technology and Informatics, vol. 220, pp. 19-24, 2016.
  20. B. Paniagua et al., "Ultrasound-Guided Navigation System for Orthognathic Surgery," presented at the MICCAI Workshop on Augmented Environments for Computer-Assisted Interventions (AE-CAI), Munich, Germany, 2015.
  21. J. Olasky et al., "Identifying Opportunities for Virtual Reality Simulation in Surgical Education: A Review of the Proceedings from the Innovation, Design, and Emerging Alliances in Surgery (IDEAS) Conference: VR Surgery," Surgical Innovation, vol. 22, no. 5, pp. 514-521, Oct. 2015.
  22. B. Wood et al., "Evaluation of Fronto-Orbital Advancement for Coronal Synostosis using a 3D Statistical Shape Model," presented at the The 16th Congress of International Society of Craniofacial Surgery (ISCFS), 2015.
  23. F. Drakopoulos, R. Ortiz, A. Enquobahrie, and N. Chrisochoides, "Image-to-Mesh Conversion for Arteriovenous Malformation Surgical Simulators," presented at the National Congress on Computational Mechanics, 2015.
  24. R. Ortiz et al., "Stress Analysis Of Cranial Bones For Craniosynostosis Surgical Correction," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS), Barcelona, Spain, 2015.
  25. D. Zukić et al., "SlicerPET: A workflow based software module for PET/CT guided needle biopsy," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS), Barcelona, Spain, 2015.
  26. J. Qi et al., "Postoperative Evaluation of Craniosynostosis based on 3D Statistical Shape Model," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS), Barcelona, Spain, 2015.
  27. Bing Wu, Sung Hun Sim, A. Enquobahrie, and R. Ortiz, "Effects of visual latency on visual-haptic experience of stiffness," presented at the International Workshop on Quality of Multimedia Experience (QoMEX), Pylos-Nestoras, 2015.
  28. L. He, R. Ortiz, A. Enquobahrie, and D. Manocha, "Interactive continuous collision detection for topology changing models using dynamic clustering," in Proceedings of the 19th Symposium on Interactive 3D Graphics and Games - i3D '15, San Francisco, California, 2015.
  29. V. Arikatla, R. Ortiz, D. Thompson, D. Sasaki-Adams, A. Enquobahrie, and S. De, "A hybrid approach to simulate tissue behavior during surgical simulation," presented at the International Conference on Computational & Mathematical Biomedical Engineering, France, 2015.
  30. F. Drakopoulos, R. Ortiz, A. Enquobahrie, D. Sasaki-Adams, and N. Chrisochoides, "Tetrahedral Image-to-Mesh Conversion Software for Anatomic Modeling of Arteriovenous Malformations," Procedia Engineering, vol. 124, pp. 278-290, 2015.
  31. L. Torres, H. Azimian, and A. Enquobahrie, "A user-friendly automated port placement planning system for laparoscopic robotic surgery," presented at the SPIE Medical Imaging, San Diego, California, USA, 2014.
  32. K. Cleary, R. Khare, A. Enquobahrie, P. Kinahan, G. Esposito, and F. Banovac, "Evaluation of a method using low-radiation dose amplitude gated phase matched PET-CT images for guided liver biopsy," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS), Fukuoka, Japan, 2014.
  33. Y. Liu et al., "An ITK implementation of a physics-based non-rigid registration method for brain deformation in image-guided neurosurgery," Frontiers in Neuroinformatics, vol. 8, pp. 33, 2014.
  34. J. Finet et al., "Bender: An Open Source Software for Efficient Model Posing and Morphing," in Biomedical Simulation. Springer International Publishing, 2014, pp. 203-210.
  35. R. Khare et al., "Experimental evaluation of a deformable registration algorithm for motion correction in PET-CT guided biopsy," presented at the 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC), Seoul, Korea (South), 2013.
  36. A. Vaccarella, E. De Momi, A. Enquobahrie, and G. Ferrigno, "Unscented Kalman Filter Based Sensor Fusion for Robust Optical and Electromagnetic Tracking in Surgical Navigation," IEEE Transactions on Instrumentation and Measurement, vol. 62, no. 7, pp. 2067-2081, Jul. 2013.
  37. B. Paniagua et al., "3D of brain shape and volume after cranial vault remodeling surgery for craniosynostosis correction in infants," presented at the SPIE Medical Imaging, Lake Buena Vista, Florida, USA, 2013.
  38. V. Revanna Shivaprabhu, A. Enquobahrie, Z. Mullen, and S. Aylward, "Accelerating ultrasound image analysis research through publically available database," presented at the SPIE Medical Imaging, Lake Buena Vista, Florida, USA, 2013.
  39. A. Enquobahrie, V. Shivaprabhu, S. Aylward, J. Finet, K. Cleary, and R. Alterovitz, "Patient-specific port placement for laparoscopic surgery using atlas-based registration," presented at the SPIE Medical Imaging, Lake Buena Vista, Florida, USA, 2013.
  40. A. Chernikov, P. Foteinos, Y. Liu, M. Audette, A. Enquobahrie, and N. Chrisochoides, "Tetrahedral Image-to-Mesh Conversion Approaches for Surgery Simulation and Navigation," in Image-Based Geometric Modeling and Mesh Generation. Springer, 2013, pp. 69-84.
  41. A. Vaccarella, A. Enquobahrie, G. Ferrigno, and E. De Momi, "Modular multiple sensors information management for computer-integrated surgery: Modular multiple sensors information management," The International Journal of Medical Robotics and Computer Assisted Surgery, vol. 8, no. 3, pp. 253-260, Sep. 2012.
  42. Xunlei Wu, Jianhua Yao, A. Enquobahrie, Huai-Ping Lee, and M. Audette, "Integration of a Multigrid ODE solver into an open medical simulation framework," presented at the 2012 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), San Diego, CA, 2012.
  43. H. Lee, M. Audette, G. Joldes, and A. Enquobahrie, "Neurosurgery simulation using non-linear finite element modeling and haptic interaction," presented at the SPIE Medical Imaging, San Diego, California, USA, 2012.
  44. A. Vaccarella, E. De Momi, M. Valenti, G. Ferrigno, and A. Enquobahrie, "Application of unscented Kalman filter for robust pose estimation in image-guided surgery," presented at the SPIE Medical Imaging, San Diego, California, USA, 2012.
  45. K. Gary et al., "Agile methods for open source safety-critical software," Software: Practice and Experience, vol. 41, no. 9, pp. 945-962, Aug. 2011.
  46. A. Vaccarella, M. Comparetti, A. Enquobahrie, G. Ferrigno, and E. De Momi, "Sensors management in robotic neurosurgery: The ROBOCAST project," presented at the 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Boston, MA, 2011.
  47. D. Pace, A. Enquobahrie, H. Yang, S. Aylward, and M. Niethammer, "Deformable image registration of sliding organs using anisotropic diffusive regularization," presented at the 2011 8th IEEE International Symposium on Biomedical Imaging (ISBI 2011), Chicago, IL, USA, 2011.
  48. H. Yang, M. Audette, A. Enquobahrie, J. Finet, and S. Barre, "The Application of Textbook-Based Surgical Ontologies to Neurosurgery Simulation Requirements," in Computer Assisted Radiology and Surgery: Proceedings of the International Congress and Exhibition (CARS, Berlin, Germany, 2011.
  49. M. Audette, A. Kolahi, A. Enquobahrie, C. Gatti, and K. Cleary, "Reducing depth uncertainty in large surgical workspaces, with applications to veterinary medicine," presented at the SPIE Medical Imaging, San Diego, California, USA, 2010.
  50. J. Jomier, L. Ibanez, A. Enquobahrie, D. Pace, and K. Cleary, "An open-source framework for testing tracking devices using Lego Mindstorms," presented at the SPIE Medical Imaging, Lake Buena Vista, FL, 2009.
  51. K. Cleary, P. Cheng, A. Enquobahrie, and Z. Yaniv, IGSTK: The book. Signature Book Printing, 2009.
  52. A. Enquobahrie et al., "Designing tracking software for image-guided surgery applications: IGSTK experience," International Journal of Computer Assisted Radiology and Surgery, vol. 3, no. 5, pp. 395-403, Nov. 2008.
  53. O. Solberg et al., "Integration of a real-time video grabber component with the open source image-guided surgery toolkit IGSTK," presented at the SPIE Medical Imaging, San Diego, CA, 2008.
  54. A. Enquobahrie et al., "The Image-Guided Surgery Toolkit IGSTK: An Open Source C++ Software Toolkit," Journal of Digital Imaging, vol. 20, no. S1, pp. 21-33, Nov. 2007.
  55. A. Enquobahrie, A. Reeves, D. Yankelevitz, and C. Henschke, "Automated Detection of Small Pulmonary Nodules in Whole Lung CT Scans," Academic Radiology, vol. 14, no. 5, pp. 579-593, May. 2007.
  56. P. Cheng et al., "The Image-Guided Surgery ToolKit IGSTK: an open source C++ software toolkit," presented at the SPIE Medical Imaging, San Diego, CA, 2007.
  57. P. Cheng et al., "IGSTK: Framework and example application using an open source toolkit for image-guided surgery applications," presented at the SPIE Medical Imaging, San Diego, CA, 2006.
  58. A. Reeves and A. Enquobahrie, "New directions in spiral CT image processing and computer-aided diagnosis," in IASLC Textbook of Prevention and Early Detection of Lung Cancer. CRC Press, 2005, pp. 223.
  59. A. Enquobahrie, A. Reeves, D. Yankelevitz, and C. Henschke, "Automated detection of pulmonary nodules from whole lung helical CT scans: performance comparison for isolated and attached nodules," presented at the SPIE Medical Imaging, San Diego, CA, 2004.