The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.

小波变换是一个新兴数学分支，本文利用小波变换的特性研究图象数据压缩方法，以探寻高比例、高质量压缩图象数据的新途径。

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The aim and application of diagnostically lossless compression and the data compression method for magnetic flux leakage (MFL) inspection of pipelines were introduced.

介绍检测无损压缩的目的、应用以及针对管道漏磁检测数据的一种检测无损压缩方法。

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Based on the analysis of run-length encoding method, it must be improved to ensure effectively compression for data. The improved method is called Simple Loss RLE method.

基于对传统行程编码方法的分析可知，必须对其进行一定改进才能保证对数据的有效压缩，改进后的编码方法可称为简单有损行程编码。

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