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Near lossless image compression using lossless Hartley like transform
Date Issued
01-01-2003
Author(s)
Meher, P. K.
Srikanthan, T.
Gupta, Jitesh
Agarwal, Harsh Kumar
Abstract
It is shown that the discrete Hartley transform (DHT) of length N=4 can be used to perform an integer-to-integer transformation. This behavior of the DHT can be used to compute a 2-D separable lossless Hartley Like Transform (L-HLT). The performance of the L-HLT is found to be better than the DCT for near lossless image compression and wavelet-based filter bank approach for lossless compression.
Volume
1