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Advances in predictive wavelet transform image coding

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Levy, Ian Karl and Wilson, Roland (1996) Advances in predictive wavelet transform image coding. University of Warwick. Department of Computer Science. (Department of Computer Science research report). (Unpublished)

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Abstract

In this work, it is shown that a fractal image coding can be placed in a conventional predictive framework by using a wavelet representation. This has the significant advantage of simplifying decoding by avoiding iteration and of relating the technique to traditional coding methods. The resulting coder is a combination of transform and predictive techniques. A novel frequency domain subblock search is presented along with a tree-structures vector quantizer. Some results are prsented for a variety of images and bit-rates followed by some speculation on further research.

Item Type: Report
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH): Wavelets (Mathematics), Image processing -- Digital techniques
Series Name: Department of Computer Science research report
Publisher: University of Warwick. Department of Computer Science
Official Date: July 1996
Dates:
DateEvent
July 1996Completion
Number: Number 310
Number of Pages: 32
DOI: CS-RR-310
Institution: University of Warwick
Theses Department: Department of Computer Science
Status: Not Peer Reviewed
Publication Status: Unpublished
Reuse Statement (publisher, data, author rights): I.&nbsp;Levy and R.G.&nbsp;Wilson, &ldquo;Predictive Wavelet Transform Coding: Unifying Fractal and Transform Coding&rdquo;, <i>Proceedings of PCS-96</i>, Melbourne (1996)
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