Pub. Date:
Elsevier Science
Subband Compression of Images: Principles and Examples

Subband Compression of Images: Principles and Examples

by T.A. Ramstad, S.O. Aase, J.H. Husoy


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Product Details

ISBN-13: 9780444894311
Publisher: Elsevier Science
Publication date: 08/01/1995
Series: Advances in Image Communication Series , #6
Pages: 394
Product dimensions: 6.69(w) x 9.84(h) x (d)

Table of Contents

Preface. Introduction. Image Digitization. Image Compressibility. Practical Approaches to the Coding Problem. Exact Signal Decomposition. Series Expansion: Block Transforms. Series Expansion: Multirate Filter Banks. The PR Conditions and Biorthogonality. Extension of Finite Length Signals. A Design Method for FIR Filter Banks. Filter Bank Structures. z-Domain Notation. z-Domain PR Filter Bank Conditions. Polyphase Filter Bank Structures. Two-Channel Filter Banks. Tree Structured Filter Banks. Parallel Filter Banks. Bit Efficient Quantization. Scalar Quantization. Vector Quantization. Scalar Quantization and Mixture Distributions. Gain-Optimized Subband Coders. Gain in Subband Coders. Reformulation of the Optimal Subband System. System Quantizer Replaced by DPCM Coder. Lapped Orthogonal Transforms (LOTs). Classical Subband Coding. Subband Statistics. Scalar Image Subband Quantization. Extension to Colour Images. Coding Examples and Comparisons. Blurring Distortion. Ringing Noise. Blocking Distortion. Comparing Circular and Mirror Extension. Remedies for Coding Artifacts. Classification of Image Defects. FIR Filter Bands for Robust Coding. Subband Coding with Adaptive Filter Banks. Dynamic Entropy Coding. Subband Coding of Video. Approaches to Coding of Digital Video. Low-to-Medium Rate Coding. Medium-to-High Rate Coding. Appendices. Some Digital Signal Processing Facts. Allpass Filters. Anticausal Filtering. Multirate Digital Signal Processing. The Heisenberg Uncertainty Relation. Filter Coefficients. Johnston Filters. Two-Channel Filter Banks Based on Allpass Filters. Parallel Filter BandsBased on Allpass Filters. Parallel FIR Filter Banks. Original Images. Bibliography. Index.

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