Dr. Stephen L. Hillis
Reseach Professor at University of Iowa
SPIE Involvement:
Conference Program Committee | Author | Instructor
Publications (3)

PROCEEDINGS ARTICLE | March 24, 2016
Proc. SPIE. 9787, Medical Imaging 2016: Image Perception, Observer Performance, and Technology Assessment
KEYWORDS: Breast, Image compression, Cancer, Breast cancer, Breast cancer, Diagnostics, Medical imaging, Digital imaging, Mammography, Radiology, Teleradiology

PROCEEDINGS ARTICLE | March 17, 2015
Proc. SPIE. 9416, Medical Imaging 2015: Image Perception, Observer Performance, and Technology Assessment
KEYWORDS: Biomedical optics, Statistical analysis, Magnetic resonance imaging, Error analysis, Diagnostics, Analytical research, Radiology, Diagnostic tests, Factor analysis, Data analysis

SPIE Journal Paper | September 25, 2014
JMI Vol. 1 Issue 03
KEYWORDS: Data modeling, Monte Carlo methods, Receivers, Computer simulations, Performance modeling, Numerical integration, Statistical analysis, Medical imaging, Mathematical modeling, Modeling and simulation

Conference Committee Involvement (9)
Image Perception, Observer Performance, and Technology Assessment
20 February 2019 | San Diego, California, United States
Image Perception, Observer Performance, and Technology Assessment
11 February 2018 | Houston, Texas, United States
Image Perception, Observer Performance, and Technology Assessment Posters
12 February 2017 | Orlando, FL, United States
Image Perception, Observer Performance, and Technology Assessment
12 February 2017 | Orlando, Florida, United States
Image Perception, Observer Performance, and Technology Assessment
2 March 2016 | San Diego, California, United States
Showing 5 of 9 published special sections
Course Instructor
SC1127: ROC Analysis and Observer Studies to Evaluate Imaging Technology
Short of a clinical trial, observer studies are used to measure the performance of radiologists and to compare different imaging technologies with the aim of understanding how the technology might be used clinically. The goal of this course is to provide guidance on how to design, conduct, and analyze an observer study. We will examine how to plan an observer study, step by step, and then how to implement the plan in detail. The focus will be on pitfalls and common mistakes. We will review basic ROC analysis and commonly used methods for analyzing multireader, multicase (MRMC) ROC observer data. Related software and sample-size estimation will also be discussed and demonstrated using real datasets. The participants will take part in some simulated reader studies using a computer interface, compete for prizes, and depart with a better understanding of reader studies of diagnostic imaging devices.
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