Project supported by the National Natural Science Foundation of China(Nos.11272285,61008048,and 10876036);the Zhejiang Provincial Natural Science Foundation(No.LY12F02026);the Department of Science and Technology of Zhejiang Province(No.2009C31112),China
The focal problems of projection include out-of-focus projection images from the projector caused by incomplete mechanical focus and screen-door effects produced by projection pixilation. To eliminate these defects an...