可以很好的对图像数据进行前处理，能对扫频数据进行分类。-Can be a good pre-processing the image data, can sweep data classification.

可以很好的对图像数据进行前处理，对后出数据优化设计-Can be a good pre-processing the image data, after the data on the optimal design

Fingerprint image pre-processing is a prerequisite of fingerprint recognition, it will have a direct impact on the success of fingerprint recognition, fingerprint image degradation because of the difficulties caused by the characteristics of fingerpr

C语言，根据哥伦布编码方法和差分预处理手段进行图像无损压缩和解压缩-C language, according to Columbus and differential coding method for image pre-processing means lossless compression and decompression