Psychophysical Rating Of Image Compression Techniques

Charles S. Stein; Andrew B. Watson; Lewis E. Hitchner

doi:10.1117/12.952718

15 August 1989 Psychophysical Rating Of Image Compression Techniques

Charles S. Stein, Andrew B. Watson, Lewis E. Hitchner

Proceedings Volume 1077, Human Vision, Visual Processing, and Digital Display; (1989) https://doi.org/10.1117/12.952718
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Image compression schemes abound with little work which compares their bit-rate performance based on subjective fidelity measures. Statistical measures of image fidelity, such as squared error measures, do not necessarily correspond to subjective measures of image fidelity. Most previous comparisons of compression techniques have been based on these statistical measures. We used a psychophysical method to estimate, for a number of compression techniques, a threshold bit-rate yielding a criterion level of performance in discriminating original and compressed images. The compression techniques studied include Block Truncation, Laplacian Pyramid, Block Discrete Cosine Transform, with and without a human visual system scaling, and Cortex Transform coders.

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Charles S. Stein, Andrew B. Watson, and Lewis E. Hitchner "Psychophysical Rating Of Image Compression Techniques", Proc. SPIE 1077, Human Vision, Visual Processing, and Digital Display, (15 August 1989); https://doi.org/10.1117/12.952718

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