Comparative Analysis of Hybrid DKT-DCT with DKT and DCT in Image Compression
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 8
Abstract
Image compression is one of the prominent applications of image processing. It has triggered the need of data compression so that volume of data and bandwidth required to transmit it can be reduced. Still image compression is an important part of data compression. This paper proposes various image compression method using different transforms. Discrete cosine Transform (DCT) is one of the transform applied on image individually and Discrete Kekre Transform (DKT) is also one of the transform applied on image individually. Hybrid transform is generated by combining the properties of any two transforms. In this paper we proposes the two hybrid transforms namely Hybrid DKT-DCT transform and Hybrid DWT (Discrete Wavelet Transform)-DKT transform. Next the hybridization of two transform is applied on images. Hybrid DKT-DCT transform give better energy compaction than individual transform. It combines properties of both, Kekre transform and DCT. But Hybrid DWT-DKT gives high compression ratio.
Authors and Affiliations
Tamanna B. Ghodke, Diwate S. R.
Keywords
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- EP ID EP22477
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