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[Keyword] perception(41hit)

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  • Perceptually Transparent Coding of Still Images

    V. Ralph ALGAZI  Todd R. REED  Gary E. FORD  Eric MAURINCOMME  Iftekhar HUSSAIN  Ravindra POTHARLANKA  

     
    PAPER

      Vol:
    E75-B No:5
      Page(s):
    340-348

    The encoding of high quality and super high definition images requires new approaches to the coding problem. The nature of such images and the applications in which they are used prohibits the introduction of perceptible degradation by the coding process. In this paper, we discuss techniques for the perceptually transparent coding of images. Although technically lossy methods, images encoded and reconstructed using these techniques appear identical to the original images. The reconstructed images can be postprocessed (e.g., enhanced via anisotropic filtering), due to the absence of structured errors, commonly introduced by conventional lossy methods. The compression, ratios obtained are substantially higher than those achieved using lossless means.

41hit(41hit)