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Acta Polytechnica HungaricaVolume 18, Issue 8, 2021, Pages 201-220

Efficient prediction of the first just noticeable difference point for jpeg compressed images(Article)(Open Access)

  • Bondžulić, B.,
  • Stojanović, N.,
  • Petrović, V.,
  • Pavlović, B.,
  • Miličević, Z.
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  • aMilitary Academy, University of Defence in Belgrade, Veljka Lukića Kurjaka 33, Belgrade, 11000, Serbia
  • bFaculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovića 6, Novi Sad, 21000, Serbia

Abstract

In this paper, we show that a high-level of correlation exists between a simple image feature – mean gradient magnitude and the peak signal-to-noise ratio (PSNR) of the first just noticeable difference point for JPEG image compression. On the basis of this observation, we proposed a method to estimate the JPEG quality factor which represents the effective limit between perceptually lossy and lossless coding as the PSNR of the first just noticeable difference point. The goal is optimal image/video coding, at the lowest compression bit-rate that ensures perceptually lossless output image quality. We also show that this feature can be used to predict higher PSNR just noticeable difference points. © 2021, Budapest Tech Polytechnical Institution. All rights reserved.

Author keywords

JPEGJust noticeable difference pointsPeak signal-to-noise ratioPerceptually lossless

Funding details

  • 1

    This research has been a part of the project No. VA-TT/3/20-22 supported by the Ministry of Defence, Republic of Serbia.

  • ISSN: 17858860
  • Source Type: Journal
  • Original language: English
  • DOI: 10.12700/APH.18.8.2021.8.11
  • Document Type: Article
  • Publisher: Budapest Tech Polytechnical Institution


© Copyright 2021 Elsevier B.V., All rights reserved.

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