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Charles Poynton

I am an independent contractor specializing in the physics, mathematics, and engineering of digital colour (color!) imaging systems, including digital still cameras, digital video, HDTV, digital cinema (D-cinema) and digital intermediate (DI) systems. I am involved in engineering wide colour gamut (wide color gamut/wide gamut color) systems, including xvYCC; I am an expert in colorspaces such as DCI P3 RGB, AdobeRGB, sYCC601, and AdobeYCC601. I do technology forecasting, systems modelling, algorithm development, video signal processing architecture, colour characterization and calibration, and image quality assessment. (More...) It was about 20 years ago that I decided that HDTV should have square pixels ...

I'm a PhD student at Simon Fraser University; my supervisor is Brian Funt.

I live in Toronto with my wife Barbara Morris, RMT, CTP Dipl – a massage therapist and psychotherapist – and our two teenage girls.

I continue to be flummoxed by the absence of any viable, modern, realistic standard for the “gamma” – or properly, electro-optical conversion function (EOCF) – of studio reference displays for video and HD. With the demise of CRTs, and with the imminent introduction of reference-grade flat panel monitors, I believe that such a standard is now critically important. ITU achieved agreement on gamma of 2.4, but failed to agree on white point, black point, or viewing conditions.


Dr. Raymond Soneira

President of DisplayMate Technologies Corporation.

Dr. Raymond Soneira on LinkedIn

DisplayMate Website

Reviews and Awards

DisplayMate Technologies has developed a fully automatic factory or field calibration system for all mobile and computer displays and HDTVs using a very fast and fully automatic advanced mathematical optimization algorithm that provides a visually perfect 0.5 MPCD Minimum Perceptible Color Difference calibration (throughout the entire color space) together with a substantially higher calibrated brightness than is achievable with traditional calibration methods. For OLEDs it will deliver higher brightness while maintaining absolute chromaticity and color accuracy during uneven RGB aging. For mobile displays it will dynamically calculate and adjust the optimal RGB Transfer Functions for the effects of ambient light and screen glare, which dramatically improves image contrast and picture quality under bright ambient lighting, allowing operation at lower display power and increasing the battery run times. It needs only a single very fast measurement pass with absolutely no human intervention or follow-up tweaking needed. Manufacturers can use it to improve picture quality and increase brightness while at the same time substantially reducing panel costs, manufacturing time, and display power. AVMDO -- Adaptive Variable Metric Display Optimizer. Currently running via software -- looking for a partner to get it implemented on a chip as a principal component for all mobile displays, computer monitors, digital signage, projectors and HDTVs. Contact DisplayMate Technologies.


Edward F. Kelley, Ph.D.

Consulting Physicist
Display Metrology at NIST (1992-2009 )
Research with NIST and University Teaching (1989-1992)
Liquid Dielectrics & Electrical Breakdown at NIST (1977-1989)
HV Pulse Measurements, High-Speed Photography (at High Magnification), and Dielectric Breakdown


Joel Silver

Joel Silver is the President and founder of the Imaging Science Foundation, Inc., which was incorporated in 1994 to introduce video image quality calibration services into consumer electronics.He volunteers as the chair of the CEA and CEDIA committee on Home Theater Video recommended practices.He also is the producer of the HDTV Calibration Wizard DVD.His work on advancing HDTV image quality was covered in the NY Times, the LA Times, Popular Mechanics, Wired and numerous A/V publications here and abroad.He has run research projects for the California Energy Commission documenting how video calibration produces significant energy savings.He has been involved in and consulted for high-end video, high-end audio, telemedicine, medical management, Microsoft Media Center Edition PCs and the Venture Capital and Entrepreneurship program at the W. Averill Harriman School of Management.

The Imaging Science Foundation is in the Display Standards industry, and since 1994 has been dedicated to improving the quality of electronic imaging.

The ISF has four basic roles in this industry:

  1. Consulting with manufacturers regarding product development: The ISF conducts private seminars and is retained for product evaluations under NDA. Our clients include: AMD, the BBC, Barco, BenQ, Bose, CEA, CEDIA, CNN, Dolby, DVDO, DNP, Epson, Harman, Hitachi, HP, InFocus, Integra, Intel, LG, JVC, Linn, Lissau A/S, Microsoft, Minolta, Mitsubishi, Monster Cable, NEC, NVIDIA, Optoma, Panasonic, Pioneer, Pixelworks, Runco, Screen Excellence, Screen Research, Sencore, SIM2, SpectraCal, Stewart Filmscreen, Texas Instruments, Toshiba, Yamaha, X-rite and numerous others 
  2. Certification training: We conduct approximately 20 US based and International private and public seminars per year. We strive to help ISF attendees understand the parameters of calibration, digital imaging and display standards. Training includes hands-on experience in video calibration. The ISF expects our attendees to stress superior service, client retention, superb pictures and superior service in their respective marketplaces. ISF dealers are required to pass tests and invest in professional test equipment 
  3. Media communications: The ISF has worked with the majority of professional A/V editorial press. We are available for fact checking and also arrange for test equipment availability for qualified reviewers.

We are now very happy to report that professional calibration reporting is now part of many print and online product reviews.


Kevin Shaw

Freelance colorist Kevin Shaw, is offering his services through Finalcolor Ltd.

Some of the skills Kevin offers are colorist, instructor, demonstrator, presenter, writer, and consultant for suite design or project development. He is an experienced telecine, video and digital intermediate colorist.

Kevin is a founder member of The International Colorist Academy (ICA) and was the first Director of Training at da Vinci systems. He continues to work as a freelance colorist all over the world, and has been grading for 25 years!

Michael Chen

Calgary, Canada - Video Calibration Expert To Western Canada

Michael Chen has been a professional calibrator since the mid 1990’s as well as a Traffic Engineer by education for 22 years.  He currently works with the THX Corporation as an instructor and teaches their Professional Video Systems Calibration courses at locations around the world.  He is also one of the primary creators of that program.  In addition to his work with THX, Michael also continues to serve as an Imaging Science Foundation instructor and currently is a consultant with Spectracal which is the leading software company in the display calibration industry.  More commonly known as Michael TLV on the internet, he has been freely helping enthusiasts on line at many calibration forums since 1997.

In his own words ... from the man who hates everything.

I've been an enthusiast of home video ever since 1980 when my parents bought the family's first Betamax vcr.  The hobby grew from there to constant upgrading of equipment and the addition of poorman surround sound in those early days.  Hooking up people's systems was the big thing back then and I could wire up anyone's system and even teach them how to use it after 10 minutes of study.  By the early 90's I was operating a hobby business hooking up a/v systems for people and contracting this service to the local department stores and repair shops.

In the late 80's the first calibration video laser disc came out and that spelled the beginnings of video calibration for myself.  I had been a keen reader of all that a fellow named Joe Kane wrote, about image calibration.  By 1997-98 when the colour analyzing equipment first became available at an attainable price of "$5000," I maxed out my credit card and took that plunge and thus started my life as a full fledged video calibrationist.  I had the slight advantage over others in that I had actually spent the previous 8 years reading and studying up on the theory before and practicing the physical stuff on TV after TV anyway.  As it turned out, learning the equipment was a piece of cake.  Although making the capital investment meant that playtime was over.  Getting my ISF credentials was next and I simply saw that as a necessary evil at the time.  Something one needed to get additional credibility.  

Today, circa 2011, I’ve been a THX Video Instructor for four years and an ISF Instructor for seven years.  I played a major role in the creation of the THX Video Systems Calibration program examining where existing calibration education opportunities were weak and implementing the solutions into the THX program at the offset.  We've prided ourselves on being at the forefront of a new way to calibrate displays.  An approach vastly different than the tradtional way it is done and taught often times to limited success.

I am unaligned with any company and will not push product on you.  I am free to criticize any type of display device on the market.  The man with the brutal truth ... as I am not there to tell you how great your equipment purchases are.  I only care about the image and I won't stop until the job is done to my satisfaction.