An Engineering Approach to Consistent Images: Control of Video and Film Image Quality in TV Production

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE J
Volume: 107, No. 11, pp. 961–966
Abstract: Engineers, video operators, colorists, and producers all share the goal of excellence in television image quality. This paper explores the reasons why some popular and widely used techniques to standardize video and film quality have met with mixed success, and a practicable solution is proposed. Previous efforts have, by and large, lacked the precision to ensure consistent high-quality images, particularly in regard to tonal range and color. The system under discussion, although providing production teams with infinite freedom for artistic expression, controls the technical aspects of image quality from camera setup through the post-production process.
Publication Date: 1998-11-01
DOI: 10.5594/J04372
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J04372
Author(s): Fred BenediktCBC, Toronto, Ont., Canada M6W 1E6
bio
Fred Benedikt holds a B. Sc. Honours Physics from Concordia University. His experience in broadcast engineering activities is derived from his work in several CBC engineering departments as a technical specialist for television cameras, picture monitors, and video signal distribution. Benedikt developed the Combi-1 test pattern for the CBC, with the manufacturer DSC Laboratories, to facilitate television camera equipment evaluation, alignment, and color matching. He was a consultant for the Advanced Television Evaluation Laboratory (ATEL) for the viewing, alignment, and operation used to assess the various advanced television proponents. Presently his activities and responsibilities deal with the implementation of radio and television studio projects. Benedikt is a Fellow of SMPTE. He was a member of several SMPTE Engineering Committees involved with colorimetry, telecine, color picture monitors and viewing conditions, and hybrid television systems. He is an active member of the Toronto Section Board of Managers and was recently elected Chairman for the Section.
David F. E. CorleyDSC Laboratories, Mississauga, Ont., Canada L4V 1R1
bio
David Corley was educated at Kings, Canterbury, and Christ Church Cathedral School, Oxford. He immigrated to Canada in 1950 and worked in many aspects of motion picture and television production. Because of his interest in the technical aspects of image quality, Corley and his wife Susan established DSC Laboratories, in 1962, to provide precision products and services to the television and AV communities. His patents include seamless (soft-edged) panorama technology, dichroic additive printer, electronic shutter, ambient light illuminator, and Optical Signal Generators. Corley has been an SMPTE member since 1966 and a Fellow since 1986. Active in SMPTE engineering committees, he was honored with the Fuji Gold Medal in 1994. Currently as SMPTE Director of Education and Canadian Governor, he is dedicated to the SMPTE Student Chapter Program and providing ongoing education through the Internet for Society members, budding engineers, and technologists.
Robert RossCBC, Toronto, Ont., Canada M6W 1E6
bio
Bob Ross holds a Bachelor of Technology-Photographic Arts from Ryerson Polytechnical University. He was with the film operations of the CBC at its engineering headquarters in Montreal and the Toronto Production Centre for over 24 years until his retirement in 1997. For the last seven years he held the position of supervisor of quality control EFP/Film and was responsible for the technical quality of film program materials produced for the CBC by the Toronto Production Centre. Of particular interest was the interface between film and video and the maximization of quality during the transition from one medium to the other. Just prior to his retirement, Ross was nominated for the CBC's Micam Award and was recognized for his work in developing and implementing methods to apply the new generation of HFE film cleaning solvents to the CBC's film operation. He is currently a partner in the consulting firm Perfect Pictures Group, and specializes in the issues surrounding image reproduction and quality in film and video.
Copyright: © 1998 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Test Materials for the Alignment of Telecine Colorimetry [Active]
A Method of Producing Telecine Test Materials of Specified Density [Active]
Color Telecine Alignment Slides [Active]
DeMarsh L. E. , “Color Rendition in Television,” IEEE Trans. On Consumer Electronics , CE 23 , May 1977 . EXTERNAL
Quinn S. F. , “The CBC Color Bar Chart and Color Bar Slide,” CBC Engineering Review , 3 : 10 – 12 , May 1968 . EXTERNAL

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Fred Benedikt, David F. E. Corley, and Robert Ross; An Engineering Approach to Consistent Images: Control of Video and Film Image Quality in TV Production, SMPTE Journal ( Volume: 107, Issue: 11, November 1998); SMPTE, 1998. Available at https://doi.org/10.5594/J04372

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Fred Benedikt, David F. E. Corley, and Robert Ross; An Engineering Approach to Consistent Images: Control of Video and Film Image Quality in TV Production, SMPTE Journal ( Volume: 107, Issue: 11, November 1998); SMPTE, 1998. Available at https://doi.org/10.5594/J04372

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<span class="citation">Fred Benedikt, David F. E. Corley, and Robert Ross; <cite>An Engineering Approach to Consistent Images: Control of Video and Film Image Quality in TV Production</cite>, SMPTE Journal ( Volume: 107, Issue: 11, November 1998); SMPTE, 1998. Available at <a href="https://doi.org/10.5594/J04372" target="_blank" rel="noopener">https://doi.org/10.5594/J04372</a></span>

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Fred Benedikt, David F. E. Corley, and Robert Ross; <cite id="bib-10-5594-j04372">An Engineering Approach to Consistent Images: Control of Video and Film Image Quality in TV Production</cite>, SMPTE Journal ( Volume: 107, Issue: 11, November 1998); SMPTE, 1998
<span class="doi">10.5594/J04372</span>
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