EAN: 9783031011207

SYNTHESIS LECTURES ON IMAGE VIDEO AND MULTIMEDI...

This book explains the stages necessary to create a wavelet compression system for images and
describes state-of-the-art systems used in image compression standards and current research. It
starts with a high level discussion of the properties of the wavelet transform  especially the
decomposition into multi-resolution subbands. It continues with an exposition of the null-zone
uniform quantization used in most subband coding systems and the optimal allocation of bitrate
to the different subbands. Then the image compression systems of the FBI Fingerprint
Compression Standard and the JPEG2000 Standard are described in detail. Following that  the set
partitioning coders SPECK and SPIHT  and EZW are explained in detail and compared via a
fictitious wavelet transform in actions and number of bits coded in a single pass in the top
bit plane. The presentation teaches that  besides producing efficient compression  these coding
systems  except for the FBI Standard  are capable of writing bit streams that have attributes
of rate scalability  resolution scalability  and random access decoding. Many diagrams and
tables accompany the text to aid understanding. The book is generous in pointing out references
and resources to help the reader who wishes to expand his knowledge  know the origins of the
methods  or find resources for running the various algorithms or building his own coding
system. Table of Contents: Introduction   Characteristics of the Wavelet Transform   Generic
Wavelet-based Coding Systems   The FBI Fingerprint Image Compression Standard   Set Partition
Embedded Block (SPECK) Coding   Tree-based Wavelet Transform Coding Systems   Rate Control for
Embedded Block Coders   Conclusion

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