摘要
无损图像压缩是图像处理中的一个重要领域 ,传统的基于熵编码的无损压缩编码方式存在一定的局限。利用提升算法构造整数小波变换 ,然后针对无损压缩特点 ,对 SPIHT算法加以改进 ,实现了一种可行的图像无损压缩编码方案。实验表明 ,优于传统熵编码和直接采用
Lossless still image compression is an important field of image processing There are some limitation in traditional lossless compression coding method based on entropy coding In this article, we firstly make an integer wavelet transform using lifting scheme Then introduce an improved SPIHT algorithm according to the characteristic of lossless compression It realize a feasible lossless still image compression coding method Experiment have showed that the result is prior to those using entropy coding method or SPIHT method
出处
《现代电子技术》
2003年第5期35-37,40,共4页
Modern Electronics Technique
