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This book first introduces classic as well as recent computational
models for just-noticeable-difference (JND) applications. Since the
discrete cosine transform (DCT) is applied in many image and video
standards (JPEG, MPEG-1/2/4, H.261/3), the book also includes a
comprehensive survey of computational models for JND that are based
on DCT. The visual factors used in these computational models are
reviewed in detail. Further, an extensive comparative analysis of
these models using quantitative and qualitative performance
criteria is presented, which compares the noise shaping performance
of these models with subjective evaluation and the accuracy between
the estimated JND thresholds and subjective evaluation. There are
many surveys available on computational models for JND; however,
these surveys seldom compare the performance of computational
models that are based on DCT. The authors' survey of the
computational models and their in-depth review of the visual
factors used in them will help readers understand perceptual image
coding based on DCT. The book also provides a comparative analysis
of several perceptual image coders that are based on DCT, which are
compatible with the highly popular and widely adopted JPEG
standard.
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Spatial Audio (Paperback)
Woon-Seng Gan, Jung-Woo Choi
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R1,603
R1,314
Discovery Miles 13 140
Save R289 (18%)
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