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SMPTE Meetings and Conferences ( February 2002)
[ACTIVE]

A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
2002, No. 5, pp. 1–7
Abstract
The human visual system has better acuity for vertical and horizontal detail than it does for diago nal detail. Scenes statistically have less detail on the diagonal. For these reasons diagonal sampling produces a sharper perceived image than a cardinally sampled image for the same number of pixels. If the sampling pattern of a 720 line 60P image is rotated 45 degrees with the same number of pixels it will look sharper then either the 720 line 60P image or a 1080 line 30I image. This rotated pattern produces a diagonally sampled 1810×1018 60P image. A slight increase in the number of pixels and lines produces a diagonally sampled 1920×1080 60P image. A diagonally sampled 1920×1080 60P image has the same bit rate as 1920×1080 30I image with higher perceived sharpness. This pattern has 960 pixels per line. Two lines can be transmitted dot sequentially (One line on the odd pixels and the other on the even pixels) to give 1920 samples per line. A transmission in this format is compatible with 1920×1080 30I displays. However, progressive display must be used to avoid interlace artifacts. By using synchronous spot wobble, an interlaced display can display a diagonally sampled image progressively without changing the horizontal scan rate.
Publication Date
2002-02-01
DOI
10.5594/M00219
Link
https://doi.org/10.5594/M00219
Author(s)
William E. GlennFlorida Atlantic University Boca Raton, FL 33431
Copyright
© 2002 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Extended Definition Television with High Picture Quality [Active]
  • 2. Glenn W. E. , ‘Removal of Spatial and Temporal Alias Artifacts in Format Conversion and Display,’ SMPTE J. May 2001 . 290 – 292 . EXTERNAL
  • 3. Blumlein A. D. : British Patent No. 503555. October, 1937 . EXTERNAL
  • 4. Jesty L. C. B. Sc., Member. ‘The Relation between Picture Size, Viewing Distance and Picture Quality’ . Paper No. 2540 R. Feb. 1958 . EXTERNAL
  • 5. Jesty L. C. Phelp N. R. : ‘The Evaluation of Picture Quality with special reference to Television Systems’ MARCONI'S WIRELESS TELEGRAPH CO., LTD. , Marconi Review, 1951 , 14 , pp. 113 and 156 . EXTERNAL
  • 6. Jesty L. C. Sarson A. E. : British Patent No. 758085. March, 1953 . EXTERNAL
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William E. Glenn; A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002. Available at https://doi.org/10.5594/M00219
Snippet:
William E. Glenn; A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002. Available at https://doi.org/10.5594/M00219

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William E. Glenn; A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002. Available at https://doi.org/10.5594/M00219
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<span class="citation">William E. Glenn; <cite>A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format</cite>, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002. Available at <a href="https://doi.org/10.5594/M00219" target="_blank" rel="noopener">https://doi.org/10.5594/M00219</a></span>

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William E. Glenn; A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002
doi: 10.5594/M00219
url: https://doi.org/10.5594/M00219
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<li>
William E. Glenn; <cite id="bib-10-5594-m00219">A 1920×1080 60P System that is Compatible with a 1920×1080 30I Format</cite>, SMPTE Meetings and Conferences ( February 2002); SMPTE, 2002
<span class="doi">10.5594/M00219</span>
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