research : publications

Published papers:

  1. Interactive Modeling and Evaluation of Tumor Growth - Scharcanski J, Silva L, Koff D, Wong A – Journal of Digital Imaging, 2009 Sep 19 [Epub ahead of print]
  2. Letter to the Editor Re: PanCanadian Evaluation of Irreversible Compression Ratios (“Lossy” Compression) for Development of National Guidelines - Norman G, Bak P, Matos A, Koff D - Journal of Digital Imaging: Volume 23, Issue 5 (2010), Page 517
  3. Usability of irreversible image compression in radiological imaging. A position paper by the European Society of Radiology (ESR) – Expert group including Peter Bak and David Koff - European Society of Radiology (ESR) - Insights Imaging – Published online 14 February 2011
  4. Objective quality assessment of JPEG- and JPEG2000-compressed CT neuro images - Ilona Kowalik-Urbaniak, Edward R. Vrscay, Zhou Wang, David Koff - European Conference on Mathematical and Theoretical Biology 2011
  5. The impact of skull bone intensity on the quality of compressed CT neuro images - Ilona Kowalik-Urbaniak, Edward R. Vrscay, Zhou Wang, Christine Cavaro-Menard, David Koff, Bill Wallace and Boguslaw Obara – SPIE Medical Imaging, January 2012
  6. Evaluation of Irreversible Compression Ratios for Medical Images Thin Slice CT and Update of Canadian Association of Radiologists (CAR) Guidelines - David Koff, Peter Bak, André Matos, Geoff Norman, J Digit Imaging, 31 October 2012
  7. W. Ma, and K. Sartipi, “An Agent-Based Infrastructure for Secure Medical Imaging System Integration," Computer-Based Medical Systems (CBMS), IEEE 27th International Symposium on. IEEE, 2014, pp. 72-77
  8. H. Sharghi, W. Ma, K. Sartipi, "Federated Service-based Authentication Provisioning for Distributed Diagnostic Imaging Systems", IEEE International Symposium on Computer-based Medical Systems, 4 pages, June 22-25, 2015, Sao Carlos, Brazil
  9. W. Ma, K. Sartipi, and D. Bender, "Knowledge Driven User Behavior Pattern Discovery for System Security Enhancement", International Journal of Software Engineering and Knowledge Engineering, 26 pages.
  10. W. Ma, K. Sartipi, and H. Sharghi, "Security Middleware Infrastructure for Medical Imaging System Integration", IEEE International Conference on Advanced Communication Technology, 5 pages, Phoenix Park, Korea, July 1-3, 2015.
  11. W. Ma, K. Sartipi, "Cloud-based Identity and Access Control for Diagnostic Imaging Systems", The 2015 International Conference on Security and Management (SAM'15), 6 pages, Las Vegas, USA, July 27 – 30
  12. Weina Ma, Kamran Sartipi, Hassan Sharghi, David Koff, Peter Bak, OpenID connect as a security service in Cloud-based diagnostic imaging systems, Proc. SPIE 9418, Medical Imaging 2015: PACS and Imaging Informatics: Next Generation and Innovations, 94180J (March 17, 2015); doi: 10.1117/12.2082519
  13. Arun Agrawal, David Koff, Peter Bak, Duane Bender, Jane Castelli, Design challenges and gaps in standards in developing an interoperable zero footprint DI thin client for use in image-enabled electronic health record solutions, Proc. SPIE 9418, Medical Imaging 2015: PACS and Imaging Informatics: Next Generation and Innovations, 94180M (March 17, 2015); doi: 10.1117/12.2082805
  14. Lazar Milovanovic, Arun Agrawal, Peter Bak, Duane Bender, David Koff, Investigation into the need for ingesting foreign imaging exams into local systems and evaluation of the design challenges of Foreign Exam Management (FEM), Proc. SPIE 9418, Medical Imaging 2015: PACS and Imaging Informatics: Next Generation and Innovations, 94180N (March 17, 2015); doi: 10.1117/12.2082879
  15. Modelling of subjective radiological assessments with objective image quality measures of brain and body CT images Ilona A. Kowalik-Urbaniak, Jane Castelli, Nasim Hemmati, David Koff, Nadine Smolarski-Koff, Edward R. Vrscay, Jiheng Wang and Zhou Wang; ICIAR 2015.
  16. H. Sharghi, W. Ma, K. Sartipi, "Federated Service-based Authentication Provisioning for Distributed Diagnostic Imaging Systems", IEEE International Symposium on Computer-based Medical Systems, 6 pages
  17. Boursalie O, Samavi R, Doyle T. Machine Learning and Mobile Health Monitoring Platforms: A Case Study on Research and Implementation Challenges. Journal of Health Informatics Research. Submitted June 2017. 22 pages.
    18. Sutton A., Samavi R. (2017) Blockchain Enabled Privacy Audit Logs. In: d'Amato C. et al. (eds) The Semantic Web – ISWC 2017. ISWC 2017. Lecture Notes in Computer Science, vol 10587. Springer, Cham. Best Research Paper and Best Student Research Paper award nominee. Link to paper: http://iswc2017.semanticweb.org/paper-141/

Conference presentations:

  1. Lazar Milovanovic, Arun Agrawal, Jane Castelli, Muzafar Gani Abdul Wahab, Peter Bak, David Koff , Assessing the need for and implementation of a foreign exam management solution for diagnostic imaging exams across multiple healthcare institutions.” Presented at the SIIM Conference 2015, Washington DC, USA.
  2. Arun Agrawal, David Koff, Peter Bak, Duane Bender, Jane Castelli, Design challenges and gaps in standards in developing an interoperable zero footprint DI thin client for use in image-enabled electronic health record solutions. Presented at the SPIE Medical Imaging Conference, 2015: https://spie.org/x12166.xml, Orlando, USA
  3. Lazar Milovanovic, Arun Agrawal, Peter Bak, Duane Bender, David Koff Investigation into the need for ingesting foreign imaging exams into local systems and evaluation of the design challenges of Foreign Exam Management (FEM). Presented at the SPIE Medical Imaging Conference, 2015: https://spie.org/x12166.xml
  4. Weina Ma, Kamran Sartipi, Hassan Sharghi, David Koff, Peter Bak, OpenID connect as a security service in Cloud-based diagnostic imaging systems, Presented at the SPIE Medical Imaging Conference, 2015: https://spie.org/x12166.xml
  5. CSER conference, "Knowledge Driven Behavior Pattern Discovery for System Security Policy Enhancement"
  6. Farheen Manji, Jiheng Wang, Geoff Norman, Zhou Wang, David Koff Comparison of dual energy subtraction chest radiography and traditional chest x-rays in the detection of pulmonary nodules. Presented at Canadian Association of Radiology Annual Conference, 2014, Montreal, Canada.
  7. Omar Boursalie, Thomas Doyle, Reza Samavi, David Koff. Personalized Predictive Risk Model for Medical Imaging Radiation Exposure. Presented at SOSCIP Impact Conference, May 2017, Toronto, Canada. Awarded first prize.
  8. September, 2017: Metric Engineering Technology Research and Innovation Conference 2017 (METRIC ‘17)
  9. January, 2018: Invited Campus Talk- McMaster eHealth graduate program Seminar Series
  10. Presenter, "Blockchain Enabled Privacy Audit Logs" at The First Workshop on Blockchain & eHealth: Towards Provable Privacy & Security on Data Intensive Health Research, International Conference on Computer Science and Software Engineering, IBM CASCON 2017, November 2017, Markham, Ontario.
  11. Presenter, "Blockchain Enabled Privacy Audit Logs" at International Semantic Web Conference, ISWC 2017, October 2017, Vienna Austria. Link to presentation video: http://videolectures.net/iswc2017_sutton_audit_logs/

Poster presentations:

  1. "Behavior Pattern Based Security Enhancement,” Ma, W. IBM CASCON conference and CSER conference
  2. "Interoperability and Security Provisioning for Distributed Diagnostic Imaging Systems", H. Sharghi, K. Sartipi, IBM CASCON 2014.
  3. Lazar Milovanovic, Jane Castelli, Arun Agrawal, Muzafar Gani Abdul Wahab, Peter Bak, David Koff , Assessing the need for and implementation of a foreign exam management solution for diagnostic imaging exams across multiple healthcare institutions.” Presented at the MIIT Conference 2015, Hamilton, Canada.
  4. Lazar Milovanovic, Jane Castelli, Arun Agrawal, Muzafar Gani Abdul Wahab, Peter Bak, David Koff , Assessing the need for and implementation of a foreign exam management solution for diagnostic imaging exams across multiple healthcare institutions.” Presented at MIR 2015 (Management in Radiology), Barcelona, Spain
  5. Andrew Sutton, Omar Boursalie, Reza Samavi, Thomas Doyle, David Koff. 2017. A Blockchain Architecture for Active Machine Learning Algorithms. Poster presented at McMaster.AI Workshop 2017. November, 2017: McMaster AI Workshop. January, 2018: McMaster Biomedical Engineering Symposium