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2012 (Vol. 4, Issue: 24)
Article Information:

Color Image and Video Compression Based on Direction Adaptive Partitioned Discrete Wavelet Transform

K. Dinesh, S. Saravana Kumar and P. Daniel
Corresponding Author:  K. Dinesh 

Key words:  Compression techniques , discrete wavelet transforms, video coding standards, , , ,
Vol. 4 , (24): 5515-5518
Submitted Accepted Published
March 23, 2012 April 30, 2012 December 15, 2012
Abstract:

The main objective of this study is to use the Direction-Adaptive Partitioned Block Transform (DA-PBT) for compressing the color images and videos. It is same as the direction-adaptive block transform but it also have an additional direction-adaptive block partitioning to improve energy concentration. The selection of a directional mode determines the transform direction that provides directional basis functions. It reduces complexity and more efficient coefficient ordering for entropy coding. For image coding, the DA-PBT significantly outperforms the directional DCT. As a block transform, the DA-PBT can be directly incorporated into the prediction-based video coding standards to work with the block-based intra prediction as well as the block-based motion-compensated interframe prediction. The performance of the DA-PBT is compared with the 2D-DCT by using the Peak-Signal-to- Noise Ratio (PSNR) and Compression Ratio (CR). The experimental results shows that the DA-PBT performs well than the 2D-DCT.
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  Cite this Reference:
K. Dinesh, S. Saravana Kumar and P. Daniel, 2012. Color Image and Video Compression Based on Direction Adaptive Partitioned Discrete Wavelet Transform.  Research Journal of Applied Sciences, Engineering and Technology, 4(24): 5515-5518.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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