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SMPTE Meetings and Conferences ( October 1996)
[ACTIVE]

Motion Compensation by Adaptive Vector Quantization

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
1996, No. 14A, pp. 79–84
Abstract
We propose an efficient motion compensation scheme where adaptive vector quantization (AVQ) is used to optimally compress the dense motion field. The vector quantizer codebook is designed on-line by backward adaptation based on previous reconstructed frames. It thus takes advantage of the information already available at the receiver for adapting the codebook without recourse to side information. The method adapts the codebook to local motion statistics and thus exploits interframe motion correlations. It also eliminates the need for extensive prior codebook training, as well as problems of statistical mismatch due to scene variation. Preliminary experiments on benchmark video sequences show average improvement of about 0.8dB in SNR, and improved perceptual quality of the reconstructed video. The enhanced performance is achieved at the cost of only a fractional increase in complexity as compared to standard motion compensation methods.
Publication Date
1996-10-01
DOI
10.5594/M001238
Link
https://doi.org/10.5594/M001238
Author(s)
Shankar L. RegunathanDepartment of Electrical and Computer Engineering University of California, Santa Barbara, CA 93106, USA
Kenneth RoseDepartment of Electrical and Computer Engineering University of California, Santa Barbara, CA 93106, USA
Copyright
© 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • [1] Jain J. R. Jain A. K. , “Displacement measure and its application in interframe image coding” , IEEE Trans. on Comm. , Dec. 1981 , vol. COM-29 , pp. 1799 – 808 . EXTERNAL
  • [2] Sullivan G. J. Orchard M. T. , “Overlapped block motion compensation: An estimation-theoretic approach” , IEEE Trans. on Image Proc. , Sept. 1994 , vol. 3 , pp 693 – 9 . EXTERNAL
  • [3] Sullivan G. J. Baker R. L. , “Motion compensation for video compression using control grid interpolation” , ICASSP 91 , vol. 4 , pp. 2713 – 16 . EXTERNAL
  • [4] Nickel M. Husoy J. H. , “A hybrid coder for image sequences using detailed motion estimates” , Proc. of the SPIE , 1991 , vol. 1605 , pt. 1 , pp. 963 – 71 . EXTERNAL
  • [5] Lee Y. Y. Woods J. W. , “Macro motion vector quantization” , Proc. of the SPIE , 1995 , vol. 2501 , pt. 2 , pp. 778 – 86 . EXTERNAL
  • [6] Chou P. A. Lookabaugh T. Gray R. M. , Entropy-constrained vector quantization , IEEE Trans. on Accous. Speech and Sig. Proc. , Jan. 1989 , vol. 37 , pp. 31 – 42 . EXTERNAL
  • [7] Linde Y. Buzo A. Gray R. M. , “An algorithm for vector quantizer design” , IEEE Trans. on Comm. , Jan. 1980 , vol. COM-28 , pp. 84 – 95 . EXTERNAL
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Shankar L. Regunathan and Kenneth Rose; Motion Compensation by Adaptive Vector Quantization, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001238
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Shankar L. Regunathan and Kenneth Rose; Motion Compensation by Adaptive Vector Quantization, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001238

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Shankar L. Regunathan and Kenneth Rose; Motion Compensation by Adaptive Vector Quantization, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001238
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<span class="citation">Shankar L. Regunathan and Kenneth Rose; <cite>Motion Compensation by Adaptive Vector Quantization</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/M001238" target="_blank" rel="noopener">https://doi.org/10.5594/M001238</a></span>

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Shankar L. Regunathan and Kenneth Rose; Motion Compensation by Adaptive Vector Quantization, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
doi: 10.5594/M001238
url: https://doi.org/10.5594/M001238
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Shankar L. Regunathan and Kenneth Rose; <cite id="bib-10-5594-m001238">Motion Compensation by Adaptive Vector Quantization</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
<span class="doi">10.5594/M001238</span>
</li>