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MPEG & dcinema Donald C. Mead 11 Jan 2001

MPEG & dcinema Donald C. Mead 11 Jan 2001. MPEG Background. MPEG is a subdivision of the International Standards Organization(ISO) Formally, ISO/IEC SC29 WG11. Started in 1988 under Convenorship of Dr. Leonardo Chiariglione.

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MPEG & dcinema Donald C. Mead 11 Jan 2001

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  1. MPEG & dcinema Donald C. Mead 11 Jan 2001

  2. MPEG Background • MPEG is a subdivision of the International Standards Organization(ISO) Formally, ISO/IEC SC29 WG11 • Started in 1988 under Convenorship of Dr. Leonardo Chiariglione • MPEG has developed the MPEG 1, MPEG 2, & MPEG 4 standards. A fourth standard, MPEG 7 will be finalized shortly

  3. MPEG Process • Develop Requirements • Public Call for Proposal • Evaluate proposals and develop Verification Model • Refine Verification Model through Core Experiment Process • “Design Freeze” with Committee Draft

  4. dcinema Profile Chronology • Dec 99 -Top level requirements presented to MPEG • Feb 00 - Unanimous U. S. National Body resolution to MPEG requesting development of a dcinema profile • Mar 00 - ad hoc group formed to develop requirements • July 00 - 4 Output documents / ahg re-established • Oct 00 - ahg under Test Group / 2 output documents • Dec 00 - Special Meeting of ahg to develop Test

  5. Requirements Summary • Must have algorithms for both lossless(archive) and perceptually lossless(distribution) • Must support input images up to 16 million pixels • Must support pixel intensity up to 16 bits per color • Must support simple transcoding from lossless to lower resolution • Must support both constant and variable bit rate coding

  6. Key Test Issues • Content • Test Methodology - sequential or side-by side viewing, for example • Screen- perforated or not, power or not, reflectivity • Projector - lack of a high resolution projector requires compromise • Anamorphicproperties or not

  7. Schedule • Jan 01 - Release Call for Proposals • Feb 01 - Reservations Due and Test Content Available • June 01 - Proposals Due and Shoot out • July 01 - Verification Model 1 • Jan 02 - Committee Draft(CD)

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