同一背景不同的人 --- survey2

Seamless Image Stitching in the Gradient Domain

(http://www.wisdom.weizmann.ac.il/~levina/papers/blendingTR.pdf)

poisson image editing

(http://portal.acm.org/citation.cfm?id=882269)

http://leyvand.com/research/adv-graphics/ex1.htm