Discrete Cosine Transform: Algorithms, Advantages, Applications
This is the first comprehensive treatment of the theoretical aspects of the discrete cosine transform (DCT), which is being recommended by various standards organizations, such as the CCITT, ISO etc., as the primary compression tool in digital image coding. The main purpose of the book is to provide a complete source for the user of this signal processing tool, where both the basics and the applications are detailed. An extensive bibliography covers both the theory and applications of the DCT. The novice will find the book useful in its self-contained treatment of the theory of the DCT, the detailed description of various algorithms supported by computer programs and the range of possible applications, including codecs used for teleconferencing, videophone, progressive image transmission, and broadcast TV. The more advanced user will appreciate the extensive references. Tables describing ASIC VLSI chips for implementing DCT, and motion estimation and details on image compression boards are also provided.
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Chapter 2 Definitions and General Properties
Chapter 4J Fast Algorithms for DCTII
TwoDimensional DCT Algorithms
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2D DCT ac energy adaptive applied bit allocation bit rate Block diagram block matrix CCITT channel classification codebook codec coder components correlation corresponding data compression DCT chip DCT coefficients DCT-II decoder defined developed diagonal dimensional discrete cosine transform discrete transforms distortion DPCM Equation fast algorithms filter frame frequency HDTV horizontal hybrid IDCT IEEE IEEE Trans image coding implementation input interframe inverse transform KBPS length log2 mapping matrix factors MBPS module motion estimation motion vector multiplications N-point NTSC obtained one-dimensional output pels prediction errors processor radix-2 reconstructed images recursive rotations samples scanning scheme Section sequence x(n shown in Fig signal flowgraph Signal Process sparse matrix sparse matrix factors speech structure sub-blocks Table techniques transform coding transform coefficients transform domain transform matrix transmission transmultiplexer two-dimensional DCT variance vector quantization videophone