查看会员资料
用 户 名：c****
发送消息- Email：用户隐藏
- Icq/MSN：
- 电话号码：
- Homepage：
- 会员简介：
最新会员发布资源
2dct
- The DCT transforms a signal from a spatial representation into a frequency representation. Lower frequencies are more obvious in an image than higher frequencies so if we transform an image into its frequency components and throw away a lot of higher