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Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968)
[ACTIVE]

Television Bandwidth Reduction by Encoding Spatial Frequencies

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
77, No. 12, pp. 1279–1281
Abstract
A new method of coding images for digital transmission, called Fourier coding, has been developed. By this technique, a two-dimensional Fourier transform of an original image is performed by a digital computer using a highly efficient version of the fast Fourier transform algorithm. The Fourier transform of the image, or some processed rendition of it, is transmitted, and a second two-dimensional Fourier transform is taken at the receiver to obtain the original image. The double Fourier transform of an image does not significantly degrade the quality of the image. Most of the “information” in the spatial-frequency domain lies along the coordinate axes and near the origin at the low spatial frequencies. This property of Fourier domain samples can be exploited to achieve a bandwidth reduction for televised images.
Publication Date
1968-12-01
DOI
10.5594/J10891
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J10891
Author(s)
H. C. AndrewsDept. of Electrical Engineering, School of Engineering, University of Southern California, University Park, Los Angeles, Calif. 90007.
W. K. PrattDept. of Electrical Engineering, School of Engineering, University of Southern California, University Park, Los Angeles, Calif. 90007.
Copyright
© 1968 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Pratt W. K. Andrews H. C. , “Fourier transform coding of images,” Hawaii International Conference on System Sciences (Jan. 1968 ). EXTERNAL
  • 2. Cochran W. T. et al., “What is the fast Fourier transform?,” IEEE Proceedings , 55 : 1664 – 1673 Oct. 1967 . EXTERNAL
  • 3. Brigham E. O. Morrow R. E. , “The fast Fourier transform,” IEEE Spectrum , 4 : 63 – 70 Dec. 1967 . EXTERNAL
  • 4. Cooley J. W. Tukey J. W. , “An algorithm for the machine calculation of complex Fourier series,” Mathematics of Computation , 19 , No. 90 : pp. 297 – 301 , 1956 . EXTERNAL
  • 5. Andrews H. C. , “A high-speed algorithm for the computer generation of Fourier transforms,” IEEE Transactions on Computers , C-17 : 373 , Apr. 1968 . EXTERNAL
  • 6. Andrews H. C. , “Entropy considerations in the frequency domain,” Proceedings IEEE , 56 : 113 – 114 Jan. 1968 . EXTERNAL
  • 7. Goodall W. M. , “Television by pulse code modulation,” Bell System Technical Journal , 30 : 33 – 49 Jan. 1951 . EXTERNAL
  • 8. Pratt W. K. , “A bibliography on television bandwidth reduction studies,” IEEE Transaction Theory , IT-13 : 114 – 115 Jan. 1967 . EXTERNAL
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H. C. Andrews and W. K. Pratt; Television Bandwidth Reduction by Encoding Spatial Frequencies, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J10891
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H. C. Andrews and W. K. Pratt; Television Bandwidth Reduction by Encoding Spatial Frequencies, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J10891

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H. C. Andrews and W. K. Pratt; Television Bandwidth Reduction by Encoding Spatial Frequencies, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J10891
Snippet:
<span class="citation">H. C. Andrews and W. K. Pratt; <cite>Television Bandwidth Reduction by Encoding Spatial Frequencies</cite>, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968. Available at <a href="https://doi.org/10.5594/J10891" target="_blank" rel="noopener">https://doi.org/10.5594/J10891</a></span>

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Preview:
H. C. Andrews and W. K. Pratt; Television Bandwidth Reduction by Encoding Spatial Frequencies, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968
doi: 10.5594/J10891
url: https://doi.org/10.5594/J10891
Snippet:
<li>
H. C. Andrews and W. K. Pratt; <cite id="bib-10-5594-j10891">Television Bandwidth Reduction by Encoding Spatial Frequencies</cite>, Journal of the SMPTE ( Volume: 77, Issue: 12, December 1968); SMPTE, 1968
<span class="doi">10.5594/J10891</span>
</li>

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