1 June 1994 Employing frequency-dependent property of the human visual systems (HVS) for DCT and other orthogonal transform coding
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Abstract
Besides the advantage in statistical efficiency, coding images in certain transform domain also facilitates the adoption of the sensitivity function of the human visual systems (HVS). This involves establishing in that transform domain a subjective distortion criterion in the form of weighted mean square error. In this paper, after a brief review over some existing methods for that purpose, the method used in a recent study is described. Through a special arrangement with DCT coding, it is examined in parallel with the method by Katto et al. The rate-distortion relation from the coding process indicates that the two methods are robust and close in efficiency.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nan Li, Nan Li, Luc Van Eycken, Luc Van Eycken, Andre J. Oosterlinck, Andre J. Oosterlinck, } "Employing frequency-dependent property of the human visual systems (HVS) for DCT and other orthogonal transform coding", Proc. SPIE 2238, Hybrid Image and Signal Processing IV, (1 June 1994); doi: 10.1117/12.177707; https://doi.org/10.1117/12.177707
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