V.K. Goyal, Theoretical foundations of transform coding, IEEE Signal Processing Mag. 18 (5) (September 2001). Home/Search Document Details and Download
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A Tutorial on Modern Lossy Wavelet Image Compression.. - Usevitch (2000) (5 citations) (Correct)
....is from early wavelet coding. The remainder of the article proceeds as follows. The following section discusses basic properties of the wavelet transform which are pertinent to image compression. The material in this section builds on the background material in generic transform coding given in [6] (further background in data compression can be found in [7] 10] This section shows that boundary effects motivate the use of biorthogonal wavelets, and introduces the symmetric wavelet transform. The next section discusses the subband coding or early wavelet coding method followed by an ....
....convolution, biorthogonal wavelets still give better performance than orthogonal wavelets [21] Subband Coding This section gives a brief overview of the subband coding method. Subband coding is a good example of a coding method which follows the generic transform coding model discussed in [6]. Subband coding is also used here to illustrate early wavelet coding, since early wavelet coders and subband coders use identical coding techniques, with the only possible distinction between the two being the choice of filters. As a result, the terms early wavelet coding and subband coding ....
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V. Goyal, "Theoretical foundations of transform coding," IEEE Signal Processing Mag., vol. 18, pp. 9-21, Sept. 2001.
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....with variance cr [3] which holds under the hypothesis of f me quantization, so the sequencer,Nq : v, vp]is again iid with the same variance. Therefore, we can write that D O =EI.v . vN 2 v(p N 2 O . vv. vcrq Given the number R2 of bits available for both descriptions, it is well know [4] that the variance of the quantization noise is given by 2=C cr 2 e, where C is a scalar depending on the kind of quantization, NEt2 and cr 0 is the variance of the sequence being quantized. Therefore, the central distortion can be worked out as D O =cN2cr2 2 R (2) It can be easily ....
V. Goyal. "Theoretical Foundations of Transform Coding", IEEE Signal Processing Magazine, vol. 18, no. 5, pp. 9-21, Sept. 2001.
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V. K Goyal, "Theoretical foundations of transform coding," IEEE Sig. Proc. Mag., vol. 18, no. 5, pp. 9--21, Sept. 2001.
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V.K. Goyal, "Theoretical foundations of transform coding," IEEE Signal Processing Mag., vol. 18, pp. 9-21, Sept. 2001.
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V.K. Goyal, Theoretical foundations of transform coding, IEEE Signal Processing Mag. 18 (5) (September 2001).
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V.K. Goyal, "Theoretical Foundations of Transform Coding", IEEE Signal Processing Magazine, Vol. 18, No. 5, Sept. 2001.
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V.K. Goyal, "Theoretical foundations of transform coding," IEEE Signal Processing Mag., vol. 18, pp. 9-21, Sept. 2001
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V. K. Goyal, "Theoretical foundations of transform coding," IEEE Signal Processing Magazine, vol. 18, pp. 9--21, September 2001.
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