On zerotree quantization for embedded wavelet packet image coding
IEEE International Conference on Image Processing, Vol: 2, Page: 283-287
1999
- 14Citations
- 8Captures
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Conference Paper Description
Wavelet packets are an effective representation tool for adaptive waveform analysis of a given signal. We first combine the wavelet packet representation with zerotree quantization for image coding. A general zerotree structure is defined which can adapt itself to any arbitrary wavelet packet basis. We then describe an efficient coding algorithm based on this structure. Finally, the hypothesis for prediction of coefficients from coarser scale to finer scale is tested and its effectiveness is compared with that of zerotree hypothesis for wavelet coefficients.
Bibliographic Details
Institute of Electrical and Electronics Engineers (IEEE)
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