an introduction to wavelets -Wavelets are mathematical functions that cut up data into di® erent frequency components, and then study each component with a resolution matched to its scale. They have advantages over traditional Fourier method

LZW数据压缩算法的原理分析。我希望通过本文的介绍，能给那些目前不太了解lzw算法和该算法在gif图像中应用，但渴望了解它的人一些启发和帮助。抛砖引玉而已，更希望园子里面兄弟提出宝贵的意见。-LZW data compression algorithm theory analysis. I hope that through the introduction of this article, to give those who do not know much about the the lzw

Introduction to Data Compression In this chapter we will use the generic term message for the objects we want to compress, which could be either files or messages. The task of compression consists of two components, an encoding algorithm that