Prof. Henry Gordon Dietz
Professor at Univ of Kentucky
SPIE Involvement:
Conference Program Committee | 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
Proc. SPIE. 9410, Visual Information Processing and Communication VI
KEYWORDS: Imaging systems, Cameras, Sensors, Video, Computer programming, Image quality, Image sensors, High dynamic range imaging, Camera shutters, Prototyping

Proceedings Article | 27 February 2015
Proc. SPIE. 9404, Digital Photography XI
KEYWORDS: Cameras, Sensors, Photography, Digital cameras, Image quality, Charge-coupled devices, Analog electronics, CCD image sensors, Camera shutters, Standards development

Proceedings Article | 7 March 2014
Proc. SPIE. 9023, Digital Photography X
KEYWORDS: Monochromatic aberrations, Point spread functions, Light sources, Cameras, Sensors, Forensic science, Photography, Manufacturing, Lens design, Vignetting

Proceedings Article | 4 March 2014
Proc. SPIE. 9022, Image Sensors and Imaging Systems 2014
KEYWORDS: Optical filters, Logic, Optical sensors, Cameras, Sensors, Solar cells, Temporal resolution, Image sensors, High dynamic range imaging, Camera shutters

Proceedings Article | 4 February 2013
Proc. SPIE. 8660, Digital Photography IX
KEYWORDS: Point spread functions, Light sources, Cameras, Sensors, Image processing, Digital cameras, Image quality, Light sources and illumination, 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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