Improved graphical quality measure for monochrome compressed images

Ahmet M. Eskicioglu

doi:10.1117/12.216866

18 August 1995 Improved graphical quality measure for monochrome compressed images

Ahmet M. Eskicioglu

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216866
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

A new class of quality measures is emerging in the literature for image compression. The measures in this class are graphical, producing multidimensional output that provides more information than scalar measures like MSE. Eskicioglu charts, a recent addition, computes three features for various frequency ranges, and displays them in a bar chart. Reflecting the human visual response, it is able to specify the amount, type, and distribution of error in compressed images. In this paper, we discuss adding one more dimension to Eskicioglu charts for further improvement. The feature corresponding to the new dimension is the end-of-block disturbances which increases for blockiness and decreases for blurriness.

Citation Download Citation

Ahmet M. Eskicioglu "Improved graphical quality measure for monochrome compressed images", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216866

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