Advanced Approach to Universal Video Format Conversion

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1995, No. 15, pp. 382–393
Abstract: With the continuing evolution of the variety of digital video formats, a high quality conversion between formats is essential. This paper provides an overview of digital video format conversion and introduces a scalable parallel processing architecture that addresses spacial conversions. Video formats vary by sampling rate, line rate, aspect ratio, frame rate, and scan type. In a conversion between formats, these differences must be resolved through spatial resampling, frame rate conversion, and de-interlacing. The architecture that is introduced tackles the two dimensional conversion that is needed for the sampling rate, line rate, and aspect ratio discrepancies. A resizing filter is at the heart of this processor for the sample and line scaling that is needed. The high sampling frequencies of high definition formats make it difficult to implement the required digital signal processing functions with existing technology. Therefore, a parallel processing approach is taken that permits processing at a more reasonable clock rate.
Publication Date: 1995-09-01
DOI: 10.5594/M00507
Link: https://doi.org/10.5594/M00507
Author(s): Clarence HauMatsushita Applied Research Laboratory, 95D Connecticut Drive, Burlington, NJ 08016
Kevin StecMatsushita Applied Research Laboratory, 95D Connecticut Drive, Burlington, NJ 08016
Copyright: © 1995 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

[1] Hamalainen J. , “Clock Rate Conversion for Digital Video,” SMPTE Journal , June 1992 . EXTERNAL
[2] Gomez S. , “Real-Time Bilinear Interpolation Using the TMC2301,” TRW Application Note, 1988 . EXTERNAL
[3] Goel J. Mandl P. , “Real-Time Spatial Digital Filtering Using Acuity™ Image Resizing Technology,” The Proceedings of ICSPAT, 1994 . EXTERNAL
[4] Hamalainen J. Leacock T. Westerink P. , “Facts and Fiction: Some Aspects Regarding the Design of Digital Television Cameras Using CCD Image Sensors,” International Journal of Imaging Systems and Technology , Vol. 5 , 314 – 322 ( 1994 ). EXTERNAL

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Clarence Hau and Kevin Stec; Advanced Approach to Universal Video Format Conversion, SMPTE Meetings and Conferences ( September 1995); SMPTE, 1995. Available at https://doi.org/10.5594/M00507

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<span class="citation">Clarence Hau and Kevin Stec; <cite>Advanced Approach to Universal Video Format Conversion</cite>, SMPTE Meetings and Conferences ( September 1995); SMPTE, 1995. Available at <a href="https://doi.org/10.5594/M00507" target="_blank" rel="noopener">https://doi.org/10.5594/M00507</a></span>

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Clarence Hau and Kevin Stec; Advanced Approach to Universal Video Format Conversion, SMPTE Meetings and Conferences ( September 1995); SMPTE, 1995
doi: 10.5594/M00507
url: https://doi.org/10.5594/M00507

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Clarence Hau and Kevin Stec; <cite id="bib-10-5594-m00507">Advanced Approach to Universal Video Format Conversion</cite>, SMPTE Meetings and Conferences ( September 1995); SMPTE, 1995
<span class="doi">10.5594/M00507</span>
</li>