picture image compression

So the ISO referred the new still image compression standard: JPEG2000. This paper first introduced the theory of still picture standard JPEG2000 and discussed the key techniques .

为此，国际标准化组织（ISO）指定了新一代静止图像压缩标准：JPEG2000。 该文首先阐述了JPEG2000图像编码系统的实现过程，对其中的关键技术做了详细描述。

So, the compressed picture than before reduced about 10 times, and the compressed image quality basic no change, lossless compression.

左右，压缩后的图片比之前缩小了10倍左右，而且压缩后的图片质量基本没什么变化，实现无损压缩。

A day worry-free picture compression scaling processing tool is a small green space compressed image file size, scale and practical gadget picture size.

创天无忧图片压缩缩放处理工具是一款绿色小巧的压缩图片文件占用空间大小，缩放图片尺寸的实用小工具。