Recent Advances in Transfer and Manipulation of Film Images in the Data and HDTV Domains

Metadata

Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1999, No. 7, pp. 241–258
Abstract: At the SMPTE '97 Conference and Exhibition, the concept of representing motion picture film images in a universal data format was presented. Since then, the enabling technology has met with widespread acceptance, with over 80 units of the core product being installed worldwide. During this time also, several key building blocks have been added by the same supplier to extend the film-in-data concept, allowing the full power and flexibility of computer workstations, coupled with tremendous hardware acceleration, to be applied to the creative production and post-production processes. The successful data concept can even be ‘tunnelled’ through the high definition video domain, allowing the major benefits of the data process to be achieved in real time and using low cost video tape storage. The paper will examine these advances, both in a tutorial manner and with illustrations of some of the real world applications, such as complete feature film post-production and multi-format DTV production, to which users are successfully putting this new technology.
Publication Date: 1999-07-01
DOI: 10.5594/M001203
Link: https://doi.org/10.5594/M001203
Author(s): David BancroftPhilips Digital Video Systems, UK
bio
Dave Bancroft is Business & Technology Development Manager for the Film Imaging Group of Philips Digital Video Systems. Although his group is based in Weiterstadt, Germany, Dave operates out of the United Kingdom and contributes to long term projects, such as DTV production, in the United States. Dave began his career in broadcast engineering at the BBC in London, where he received his fundamental training and became an operations & maintenance engineer on outside broadcasts. He became particularly interested in video tape recording and related mechanical wonders and this led to an international odyssey which kept him away from the UK for twenty years. During this time, he worked for RCA in Germany, then began a seventeen-year stint with Ampex Corporation in Greece, the Middle East, Africa, New York and California. He joined Philips Digital Video Systems, or as it was formerly known, BTS, in 1992, with the assignment of HDTV marketing in Darmstadt, Germany. He moved his desk back to the UK in 1995 and took up his present position with Philips in 1997. Dave is a long-time member of SMPTE, where he represents Philips in several technology committees in SMPTE's standardisation efforts, and is also an International Member of SMPTE's executive Standards Committee. He is also a member of the Royal Television Society and the BKSTS in the UK.
Copyright: © 1999 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 Bancroft David J. , “Resolution-Independent Film Transfer with the Philips Spirit DataCine™ , Society of Motion Picture and Television Engineers SMPTE '97 Conference, Sydney, 1–4 July, 1997 . EXTERNAL
8 Fibre Channel physical interface FC-PH (X3.230-1994), T11 Committee, NCITS Information Technology Industry Council, 1250 Eye Street NW / Suite 200, Washington, DC 20005, USA ( http://ww2.itic.org/ncits ). EXTERNAL
9 op. cit. ref 4. EXTERNAL
10 da Vinci Systems, Inc. ( http://www.davsys.com ). EXTERNAL
11 Pandora International Limited ( http://www.pogle.pandora-int.com ). EXTERNAL
12 FLEx—Film Log EDL Exchange Protocol . Administrator, Gary Adams, TLC Product Manager, da Vinci Systems ( http://www.davsys.com ), TLC Los Angeles BBS: 818-902-0937 14.4K N/8/1, email: info@davsys.com . EXTERNAL
13 “Transfer of Edit Decision Lists,” ANSI/SMPTE 258M-1993 ( http://www.smpte.org ). EXTERNAL
14 “1920 × 1080 Scanning and Analog and Parallel Digital Interfaces for Multiple Picture Rates,” SMPTE 274M (1998), - revision of ANSI/SMPTE 274M-1995 ( http://www.smpte.org ). EXTERNAL
15 “1280 × 720 Scanning, Analog and Digital Representation and Analog Interface,” ANSI/SMPTE 296M-1997. EXTERNAL
16 The formats shown in Table 2 have been proposed to the SMPTE in a Recommended Practice (“Proposed SMPTE Recommended Practice for Television — 1920 × 1080 Production Format - Implementation of 24P, 25P, and 30P Segmented Frames) that explains how to use an implementation of SMPTE 274M to carry them. Contact G. Schutz ( schutz@ix.netcom.com ), chairman of SMPTE Image Technology Committee I23, for details. EXTERNAL
17 Two kinds of prefiltering are encountered in television image sensing; both progressive scan and interlaced scan sensors require optical prefiltering in both horizontal and vertical directions to prevent aliasing between high frequency optical image information and the sensor or scanner pixel/line structure; where it is known that the reproduction of the image will use a display operating in an interlaced mode, this is a further resampling in the vertical axis; the additional vertical filtering that is required could be applied after the sensor (but before the display), but it has been common practice to apply this secondary filtering at the same time as the primary antialiasing filtering in the sensor. This technique cannot be used for segmented-frame image sensing - the secondary filtering must be associated only with interlaced displays in the instances these are used, otherwise vertical resolution is lost unnecessarily when the same image is displayed with progressive scanning. EXTERNAL
2 “Spirit DataCine Film Scanner,” Philips Digital Video Systems, Weiterstadt, Germany ( http://www.broadcast.philips.com ). EXTERNAL
18 op. cit. ref 14. EXTERNAL
19 “Bit -Serial Digital Interface for High-Definition Television Systems,” SMPTE 292M (1998), Revision of ANSI/SMPTE 292M-1996. EXTERNAL
20 op. cit. refs 14 & 19. EXTERNAL
21 XT-HD I/O card, SGI Inc. Mountain View, California ( http://www.sgi.com ). EXTERNAL
22 “Voodoo Media Recorder,” multi-format HD (24P, 25P, 30P, 50I, 50P) non-compressed video recorder, Philips Digital Video Systems. EXTERNAL
23 Bancroft David J. , “A Multi-Frame Rate, Compression-Free, Video Recorder for Universal DTV Mastering in High Resolution,” SMPTE '99 Conference, Sydney, 13–16 July, 1999 . EXTERNAL
3 File format: SMPTE 268M-1994 “Digital Picture Exchange,” Society of Motion Picture and Television Engineers ( http://www.smpte.org ). EXTERNAL
4 Physical interface format : High-Performance Parallel Interface - Mechanical, Electrical, and Signalling Protocol Specification (HIPPI-PH) ANSI X3.183-1991. EXTERNAL
Framing protocol : “High-Performance Parallel Interface—Framing Protocol” (HIPPI-FP), ANSI X3.210-1998. EXTERNAL
American National Standards Institute , 11 W. 42nd St., New York, NY 10036, USA ( http://www.ansi.org ). EXTERNAL
5 “Phantom Transfer Engine,” (hardware + software data transfer accessory kit for the Spirit DataCine), Philips Digital Video Systems , Weiterstadt, Germany . EXTERNAL
“TransferEngine” is the software application part of the complete kit in the previous reference. EXTERNAL
7 “Specter Virtual DataCine,” Philips Digital Video Systems , Weiterstadt, Germany . EXTERNAL

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David Bancroft; Recent Advances in Transfer and Manipulation of Film Images in the Data and HDTV Domains, SMPTE Meetings and Conferences ( July 1999); SMPTE, 1999
doi: 10.5594/M001203
url: https://doi.org/10.5594/M001203

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David Bancroft; <cite id="bib-10-5594-m001203">Recent Advances in Transfer and Manipulation of Film Images in the Data and HDTV Domains</cite>, SMPTE Meetings and Conferences ( July 1999); SMPTE, 1999
<span class="doi">10.5594/M001203</span>
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