New image compression artifact measure using wavelets

Yung-Kai Lai; C.-C. Jay Kuo; Jin Li

doi:10.1117/12.263302

10 January 1997 New image compression artifact measure using wavelets

Yung-Kai Lai, C.-C. Jay Kuo, Jin Li

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263302
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Traditional objective metrics for the quality measure of coded images such as the mean squared error (MSE) and the peak signal-to-noise ratio do not correlate with the subjective human visual experiences well, since they do not take human perception into account. Quantification of artifacts resulted from lossy image compression techniques is studied based on a human visual systems (HVS) model and the time-space localization property of the wavelet transform is exploited to simulate HVS in this research. As a result of our research, a new image quality measure by using the wavelet basis function is proposed. This new metric works for a wide variety of compression artifacts. Experimental results are given to demonstrate that it is more consistent with human subjective ranking.

Citation Download Citation

Yung-Kai Lai, C.-C. Jay Kuo, and Jin Li "New image compression artifact measure using wavelets", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263302

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