JPEG压缩技术十分先进，它用有损压缩方式去除冗余的图像数据，在获得极高的压缩率的同时能展现十分丰富生动的图像，换句话说，就是可以用最少的磁盘空间得到较好的图像品质。而且 JPEG是一种很灵活的格式，具有调节图像质量的功能，允许用不同的压缩比例对文件进行压缩，支持多种压缩级别-JPEG compression technology is very advanced, it uses lossy compression methods to remove redundant image data, in access to high compression ratio at the same time able to show very rich and vivid images, in other words, can at least get more disk space good image quality. And JPEG is a very flexible format, with the image quality adjustment function, allowing the compression ratio with different file compression, supports a wide range of compression level