Dynamic codebook adaptive vector quantization for image coding
β Scribed by Feng, J.; Kwok-Tunk Lo
- Book ID
- 117871461
- Publisher
- IEEE
- Year
- 1999
- Tongue
- English
- Weight
- 476 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0098-3063
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## Abstract Wavelet transform coding (WTC) with vector quantization (VQ) has been shown to be efficient in the application of image compression. An adaptive vector quantization coding scheme with the GoldβWashing dynamic codebookβrefining mechanism in the wavelet domain, called symmetric wavelet tr
We address the problem of speech compression at very low rates, with the short-term spectrum compressed to less than 20 bits per frame. Current techniques apply structured vector quantization (VQ) to the short-term synthesis filter coefficients to achieve rates of the order of 24 to 26 bits per fram