Compression Ratio as Picture-Wise Just Noticeable Difference Predictor

Nenad Stojanović, Boban Bondžulić, Vladimir Lukin (), Dimitrije Bujaković, Sergii Kryvenko and Oleg Ieremeiev
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Nenad Stojanović: Military Academy, University of Defence in Belgrade, 11000 Belgrade, Serbia
Boban Bondžulić: Military Academy, University of Defence in Belgrade, 11000 Belgrade, Serbia
Vladimir Lukin: Department of Information-Communication Technologies, National Aerospace University, 61070 Kharkiv, Ukraine
Dimitrije Bujaković: Military Academy, University of Defence in Belgrade, 11000 Belgrade, Serbia
Sergii Kryvenko: Department of Information-Communication Technologies, National Aerospace University, 61070 Kharkiv, Ukraine
Oleg Ieremeiev: Department of Information-Communication Technologies, National Aerospace University, 61070 Kharkiv, Ukraine

Mathematics, 2025, vol. 13, issue 9, 1-32

Abstract: This paper presents the interesting results of applying compression ratio (CR) in the prediction of the boundary between visually lossless and visually lossy compression, which is of particular importance in perceptual image compression. The prediction is carried out through the objective quality (peak signal-to-noise ratio, PSNR) and image representation in bits per pixel (bpp). In this analysis, the results of subjective tests from four publicly available databases are used as ground truth for comparison with the results obtained using the compression ratio as a predictor. Through a wide analysis of color and grayscale infrared JPEG and Better Portable Graphics (BPG) compressed images, the values of parameters that control these two types of compression and for which CR is calculated are proposed. It is shown that PSNR and bpp predictions can be significantly improved by using CR calculated using these proposed values, regardless of the type of compression and whether color or infrared images are used. In this paper, CR is used for the first time in predicting the boundary between visually lossless and visually lossy compression for images from the infrared part of the electromagnetic spectrum, as well as in the prediction of BPG compressed content. This paper indicates the great potential of CR so that in future research, it can be used in joint prediction based on several features or through the CR curve obtained for different values of the parameters controlling the compression.

Keywords: BPG compression; compression ratio; JPEG compression; just noticeable difference; visually lossless compression (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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