最近在做mpeg4的编码，当做到运动估计这一块的时候看了不少关于这方面的文章，特此总结一下，以备查阅：
1. A New Three Step Search(1994)
2. A Novel Four-step Search Algorithm(1996)
3. A Novel Unrestricted Center-biased diamond Search Algorithm(1998)
4. A New Diamond Search Algorithm(2000)
5. Advanced Diamond Zonal Search
