TEMPORAL VIDEO COMPRESSION USING MODE FACTOR AND POLYNOMIAL FITTING ON WAVELET COEFFICIENTS

T. Nithyaletchumy Devi, W. K. Lim, W. N. Tan, Y. F. Tan, H. T. Teng, Y. F. Chang

Abstract

The core idea of this study is to build an algorithm that functions to compress video sequences. The mode value at every pixel along the temporal direction is calculated. If the frequency of the mode value satisfies a predetermined frequency, then the intensity values for entire entries at that particular pixel position will be changed to the mode value. The wavelet techniques will be applied to the pixels that do not satisfy the predetermined frequency and followed by a polynomial fitting method. For the purpose of compression, only the polynomial coefficients for pixels that do not satisfy the predetermined frequency, the mode values for pixels that satisfy the predetermined frequency and the corresponding pixel positions will be stored. To decompress, wavelet coefficients are estimated by the respective polynomials. The intensity values at the intended pixel position are obtained by inverse wavelet transform for pixels that do not satisfy the predetermined frequency. On the other hand, the stored mode values will be used to represent the intensity values throughout the time interval. This method portrays a prospect to achieve an acceptable decompressed video quality and compression ratio.

References

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Paper Citation


in Harvard Style

Nithyaletchumy Devi T., Lim W., Tan W., Tan Y., Teng H. and Chang Y. (2009). TEMPORAL VIDEO COMPRESSION USING MODE FACTOR AND POLYNOMIAL FITTING ON WAVELET COEFFICIENTS . In Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2009) ISBN 978-989-8111-69-2, pages 160-165. DOI: 10.5220/0001787901600165


in Bibtex Style

@conference{visapp09,
author={T. Nithyaletchumy Devi and W. K. Lim and W. N. Tan and Y. F. Tan and H. T. Teng and Y. F. Chang},
title={TEMPORAL VIDEO COMPRESSION USING MODE FACTOR AND POLYNOMIAL FITTING ON WAVELET COEFFICIENTS},
booktitle={Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2009)},
year={2009},
pages={160-165},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001787901600165},
isbn={978-989-8111-69-2},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2009)
TI - TEMPORAL VIDEO COMPRESSION USING MODE FACTOR AND POLYNOMIAL FITTING ON WAVELET COEFFICIENTS
SN - 978-989-8111-69-2
AU - Nithyaletchumy Devi T.
AU - Lim W.
AU - Tan W.
AU - Tan Y.
AU - Teng H.
AU - Chang Y.
PY - 2009
SP - 160
EP - 165
DO - 10.5220/0001787901600165