Prof. Henry Gordon Dietz
Professor at Univ. of Kentucky
SPIE Involvement:
Author
Area of Expertise:
Computational Photography , High-Performance Computing , Computer Engineering , Digital Imaging
Profile Summary

I am best known for my work in high performance computing, largely using commodity hardware. I and my group (Aggregate.Org) built the world's first linux cluster supercomputer, authored the LDP Parallel Processing HOWTO, created the base technology for SWAR (SIMD Within A Register), co-developed Warewulf, invented FNNs (Flat Neighborhood Networks), etc. We have set a number of world records in supercomputer price/performance, and have been recognized by Gordon Bell and Computerworld Smithsonian awards.

We built our first linux cluster video walls in 1994, and had a 30MP wall by 1996 -- which inspired us to start working on making commodity cameras and digital imaging devices up to the challenge. I actually had done commercial photography professionally as an undergrad, so most of our work is combining understanding of photography with computer engineering, tweaking all the pieces to work better together. Current work includes many projects involving out-of-focus PSF, various "camera hacks," and a new type of imaging sensor. It is only since 2012 that I have been publishing this work in IS&T/SPIE venues.
Publications (6)

Proceedings Article | 4 March 2015 Paper
Proceedings Volume 9410, 94100R (2015) https://doi.org/10.1117/12.2083468
KEYWORDS: Cameras, Video, Camera shutters, Image sensors, Sensors, Prototyping, Image quality, High dynamic range imaging, Imaging systems, Computer programming

Proceedings Article | 27 February 2015 Paper
Henry Gordon Dietz, Paul Selegue Eberhart
Proceedings Volume 9404, 94040L (2015) https://doi.org/10.1117/12.2080168
KEYWORDS: Cameras, Sensors, Image quality, Digital cameras, Photography, Analog electronics, CCD image sensors, Camera shutters, Charge-coupled devices, Standards development

Proceedings Article | 7 March 2014 Paper
Proceedings Volume 9023, 90230J (2014) https://doi.org/10.1117/12.2040490
KEYWORDS: Point spread functions, Cameras, Sensors, Vignetting, Light sources, Photography, Monochromatic aberrations, Lens design, Manufacturing, Forensic science

Proceedings Article | 4 March 2014 Paper
Proceedings Volume 9022, 902207 (2014) https://doi.org/10.1117/12.2040016
KEYWORDS: Sensors, Cameras, Camera shutters, Image sensors, Solar cells, High dynamic range imaging, Temporal resolution, Logic, Optical sensors, Optical filters

Proceedings Article | 4 February 2013 Paper
Proceedings Volume 8660, 866005 (2013) https://doi.org/10.1117/12.2004411
KEYWORDS: Sensors, Cameras, Image processing, Point spread functions, Light sources, Light sources and illumination, Image quality, Digital cameras, Analog electronics, Bohrium

Showing 5 of 6 publications
Conference Committee Involvement (2)
Digital Photography and Mobile Imaging XI
9 February 2015 | San Francisco, California, United States
Digital Photography X
3 February 2014 | San Francisco, California, United States
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