Matching the low frequency image information is a good simple approach to do the blending, but better results can be achieved with Poisson image editing: http:/

Matching the low frequency image information is a good simple approach to do the blending, but better results can be achieved with Poisson image editing: http://www.cs.jhu.edu/~misha/Fall07/Papers/Perez03.pdf http://www.cs.jhu.edu/~misha/Fall07/Papers/Perez03.pdf