| 摘要: |
| 讨论了复值小波基的解法以及相应滤波器组的构造.从得到的复值滤波器组的结果来看,其滤波器组的实部具有偶数长的对称性和线性相位.同时,将复小波对应的滤波器组和其他几种小波在图像编码上利用相同的量化器进行了对比,复小波在图像压缩性能上有较好的结果. |
| 关键词: 复值小波,小波变换,图像编码. |
| DOI： |
| 分类号: |
| 基金项目:本文研究得到中国科学院重点项目基金资助. |
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| Application of Image Coding Using Complex-valued Wavelets |
|
XU Gang
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| Abstract: |
| The solution on complex-valued wavelet basis and the corresponding construction of complex-valued filter bank are discussed in this paper, the real part of the complex-valued filter bank has linear phase, and its length is even which can be obtained from the complex-valued filter bank. Furthermore, the complex-valued filter bank is compared with other real filter using the same quantizer on coding of image, the complex-valued filter bank achieves well compressing performance. |
| Key words: Complex-valued wavelet, wavelet transform, image coding. |
