Compression is used just about everywhere. All the images you get on the web are compressed, typically in the JPEG or GIF formats, most modems use compression, HDTV will be compressed using MPEG-2, and several file systems automatically compress

该程序能读取彩色、灰度图像，对灰度图像进行JPEG基线模式压缩。适用于对JPEG压缩标准进行了解的初学者入门。-This project could read a color or grayscale image, and compress a grayscale image on JPEG Baseline Mode, which is adapt to a junior who tries to learn JPEG Standard.