2.Our approach is based on a gradient domain technique that preserves important local perceptual cues while avoiding traditional problems such as aliasing, ghosting and haloing.
1.Well, you can find those specifics along with details as to why music played over the telephone always sounds terrible, and finer points on the Nyquist Theorem and aliasing in the creator's comments.
2.So here what is going on is I'm creating an alias which is an alias for the move command, which is MV and I'm aliasing it to the same command but adding the " -i" flag.
计算方法
将采样率除以二，超过这个数值将会导致
失真，或
基于梯度域方法
，
可以
创作者的评论中找到这些具体信息以及有关为什么通过电话播放的音乐总是听
来很糟糕的细节，以及有关奈奎斯特定理和
