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Layered image coding using the DCT pyramid

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2 Author(s)
Kuan Hui Tan ; Information Technol. Inst., Singapore ; M. Ghanbari

A block-based subband image coder that exploits the ability to perform decimation in the discrete cosine transform (DCT) domain to effect a pyramidal data structure is described. The proposed “DCT pyramid” has a distinct feature of improved image rendition properties without the associated blocking artifacts at low bit-rates

Published in:

IEEE Transactions on Image Processing  (Volume:4 ,  Issue: 4 )