Dr. Michael P. Browne
General Manager-Vision Products at SA Photonics
SPIE Involvement:
Conference Program Committee | Conference Chair | Author | Editor | Instructor
Publications (15)

SPIE Journal Paper | 26 March 2019
OE Vol. 58 Issue 05
KEYWORDS: Visibility, Nomenclature, Color difference, Chromium, Head-mounted displays, Heads up displays, Optical engineering, Projection systems, Visualization, Data modeling

Proceedings Article | 2 May 2018
Proc. SPIE. 10642, Degraded Environments: Sensing, Processing, and Display 2018
KEYWORDS: Visibility, Heads up displays, Head-mounted displays, Color difference, Visualization, Projection systems, Augmented reality, Human vision and color perception

Proceedings Article | 2 May 2018
Proc. SPIE. 10642, Degraded Environments: Sensing, Processing, and Display 2018
KEYWORDS: Visibility, Heads up displays, Color difference, Head-mounted displays, Optical filters, Cones, Data modeling, Light sources and illumination, Human vision and color perception, Augmented reality

Showing 5 of 15 publications
Conference Committee Involvement (7)
Situation Awareness in Degraded Environments 2020
26 April 2020 | Anaheim, California, United States
Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR)
2 February 2020 | San Francisco, California, United States
Situation Awareness in Degraded Environments 2019
16 April 2019 | Baltimore, Maryland, United States
Situation Awareness in Degraded Environments 2018
17 April 2018 | Orlando, Florida, United States
Head- and Helmet-Mounted Displays XX: Design and Applications
22 April 2015 | Baltimore, Maryland, United States
Showing 5 of 7 Conference Committees
Course Instructor
SC1096: Head-Mounted Display Requirements and Designs for Augmented Reality Applications
There has never been a more exciting time for augmented reality (AR). The advent of high resolution microdisplays, the invention of new optical designs like waveguide and freeform eyepieces, and the significant advances in optical manufacturing techniques mean that augmented reality head mounted displays can be produced now that were not possible five years ago. Key to the development and adoption of these systems is the understanding of the fundamental requirements, derived from a human factors-centric approach to AR system design. The authors, with a combined experience of over 50 years in the design of AR systems, will identify the key performance parameters necessary to understand the specification, design and selection of AR systems and help students understand how to separate the hype from reality in evaluating new AR displays. This course will evaluate the performance of various AR systems and give students the basic tools necessary to understand the important parameters in augmented reality displays, whether they are designing them or purchasing them. This is an introductory class and assumes no background in head mounted displays or optical design. This course emphasizes
SC1068: Introduction to Night Vision
Night vision devices have become ubiquitous in both commercial and military environments. From the very high end systems used for aviation, to the low-performance systems sold for outdoorsmen, these devices have changed the way their users operate at night. This course explains the basic principles behind night vision and discusses the different types of night vision devices, both "analog" and "digital". In addition to a survey of night vision devices, we also examine the inner workings of night vision systems and explain them in an easy to understand manner. We will discuss the design of night vision systems, both handheld and head mounted. Although we will talk briefly about SWIR and thermal devices to differentiate them from night vision devices, this course is primarily aimed at visible and near infra-red (NIR) imagers. Imagery from both night vision cameras as well as thermal imagers will be presented and the differences between them will be compared/contrasted.
SC159: Head-Mounted Displays: Design and Applications
Head-mounted displays (HMD) and the military counterpart helmet-mounted displays, are personal information-viewing devices that can provide information in a way that no other display can because the information is always available for viewing. By making the imagery reactive to head and body movements we replicate the way humans view, navigate and explore the world. This unique capability lends itself to applications such as Virtual Reality for creating artificial environments, medical visualization as an aid in surgical procedures, military vehicles for viewing sensor imagery, aircraft simulation and training, and for fixed and rotary wing avionics display applications. This course covers design fundamentals for head-mounted displays from the user's point of view starting with the basics of human perception, head and neck biomechanics, image sources, optical design and head mounting. We will also discuss the impact of user task requirements and applications on various HMD parameters, as well as a detailed discussion of HMD optical designs (pupil and non-pupil forming, see-through and non-see-through, monocular, biocular and binocular, exit pupil and eye relief). From there we will delve into various image source technologies, discussing advantages and disadvantages of the various approaches and methods for producing color imagery, with their implications for use in the near-eye presentation of imagery. We will also discuss head/neck anatomy and biomechanics and the implications of HMD weight and center of gravity on crash and ejection safety. Also presented will be guidelines for preventing eye fatigue, neck strain, cybersickness and other adverse physiological effects that have been attributed to poor HMD design. Throughout the course, we will use examples of current HMD systems and hardware to illustrate these issues.
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