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Glass to Glass: Considerations of Lens and Colorimetry

In the new era of Wide Color Gamut (WCG) and High Dynamic Range (HDR) the management of video colorimetry has acquired a new importance.

Glass to Glass: Considerations of Lens and Colorimetry

In the new era of Wide Color Gamut (WCG) and High Dynamic Range (HDR) the management of video colorimetry has acquired a new importance.

Description

Topic:

Glass to Glass:  Considerations of Lens and Colorimetry

Presented By:

Larry Thorpe, Senior Fellow, Canon

Description:

In the new era of Wide Color Gamut (WCG) and High Dynamic Range (HDR) the management of video colorimetry has acquired a new importance.

The first WCG/HDR footprint on a video origination signal is the lens – in the form of its spectral transmittance. 

The Color Contribution Index (CCI) has been the traditional method of distinguishing between lens transmittances – and their impact on colorimetry – and it will be outlined in this presentation.

Allied with the management of color is the parallel challenge of minimizing the visibility of chromatic aberrations – which is exacerbated by the higher resolution of 4K and the enhancements of WCG/HDR. This will also be discussed.

Part 2:

Topic:
The Color of Light

Presented By:

Barry Russo, Panasonic

Michael Bergeron, Panasonic

Description:

While there are many good LED production lighting products available today, many venues have already installed less ideal LED systems.

This maybe for a variety of reasons such as to budget constraints, the broader design concerns of a stadium or just a lack of knowledge about this technology.

As a result, lower cost LED fixtures may have serious issues with color reproduction for camera sensors. This is just the latest Illustration of the importance of powerful painting functions in broadcast cameras. In this session, we will explain what is happening with the low cost or industrial LED lights and make suggestions on how to navigate around this obstacle.

Bios:

Larry Thorpe:

Thorpe joined Canon U.S.A.’s Broadcast & Communications Division in Feb 2004 as National Marketing Executive, responsible for sales and marketing. In January 2012 he was promoted to Senior Fellow, Professional Engineering & Solutions within the Imaging Technologies & Communications Group.

In 1982, Mr. Thorpe joined the Sony Broadcast Company. From 1984 to 2003, he was responsible for HDTV market development. Thorpe retired from Sony Electronics in Jan 2004, where he was Senior Vice President of Content Creation Systems for the Broadcast and Professional Company. He had business responsibility for all of the broadcast studio and portable cameras, cine cameras, 1/2-inch VTRs, switchers, nonlinear editing (both HD and SD).

Over the period 1984 – 1996 Thorpe was a member of the ATSC technology groups, various SMPTE working groups dealing with High Definition Electronic Production, and the FCC Advisory Committee on Advanced television.   Mr. Thorpe is a Life Fellow of SMPTE.   He has published many papers on camera technology and the topic of HDTV imaging.

He received the Montreux 2000 Gold Medal Award for Digital Cinematography, the NAB 2001 Television Engineering Achievement Award, the Society of Television Engineers (STE) 2001 award, and in 2004 the Broadcasting & Cable Technical Leadership Award.   In January, 2015 he was awarded the Charles F. Jenkins Lifetime Achievement Award by the National Academy of Television Arts and Sciences, and in October 2015 the SMPTE awarded him Honorary Membership in the Society.

Mr. Thorpe worked for RCA’s Broadcast Division in Camden, NJ, from 1966 to 1982, where he developed a range of color television cameras and telecine products. In 1981, Mr. Thorpe won the David Sarnoff Award for his innovations in automatic studio color cameras. He holds ten patents based upon his work at RCA.

From 1961 to 1966, Mr. Thorpe worked in the Designs Dept. of the BBC in London, England, where he participated in the development of a range of color television studio products.

Mr. Thorpe is an IEE Graduate (1961) of the College of Technology in Dublin, Ireland and received his Chartered Engineer (C. Eng.) and MIEE distinction in 1961 from the Institute of Electrical Engineers in London, England.

Mr. Thorpe currently lives in Upper Grandview, Rockland County, New York, with his wife, Marie.

Barry Russo:

Born in Brooklyn, New York, Barry has served the film industry since 1980.

He is a lead development team member for the Panasonic VariCam 35 cameras, earning him the Panasonic President’s Award for engineering excellence.

He has been an ICG member for past 30 years and was recently nominated as an associate member of the American Society of Cinematographers. He is also a recent corporate member of the IMAGO Technical Committee as well as SMPTE member for more than a decade.

Michael Bergeron:

Michael Bergeron is currently managing Panasonic’s live production system business, having served many roles at Panasonic including four years as camera product engineer and four years as Chief Technologist for workflow; he has managed co-development projects with other US based technology companies over the years and is currently focused on launching KAIROS - Panasonic’s IT/IP based live production platform. Michael has been involved with the production equipment business since joining Abel Cine in 1991, from technician, to engineering director. He has been developing and supporting production gear from 16mm film to file-based workflow to ST 2110 and has authored white papers and delivered technical presentations to SMPTE, The HPA, The Digital Cinema Society, SVG and the National Association of Broadcasters. Michael holds a BS in Physics, an MS in EE and is a member of SMPTE.