[1] [1] NG R,LEVOY M,BREDIF M,et al.Light field photography with a hand-held plenoptic camera［R］.California:Stanford University,2005.

[2] [2] VEERARAGHAVAN A,RASKAR R,AGRAWAL A,et al.Dappled photography:mask enhanced cameras for heterodyned light fields and coded aperture refocusing［J］.ACM Transactions on Graphics,2007,26(3):69-78.

[3] [3] LEVOY M,HANRAHAN.Light field rendering［A］ Proceedings of the 23rd annual conference on Computer graphics and interactive techniques［C］.USA:ACM,1996:31-42.

[4] [4] ADELSON T,WANG J Y A.Single lens stereo with aplenoptic camera［J］.IEEE Transactions on Pattern Analysis and Machine Intelligence 1992,14(2):99-106.

[5] [5] NG R.Fourier slice photography［J］.ACM transactions on Graphics(proceedings of SIGGRAPH 2005) 2005,24(3):735-744.

[6] [6] LI Qi,FENG Hua-jun,XU Zhi-hai.Digital image sharpness evaluation function［J］.Acta Photonica Sinica,2002,31(6):786-788.

[7] [7] LIU Huai,HUANG Jian-xin.Automatic focusing technique based on color image processing［J］.Acta Photonica Sinica, 2005,34(9):1434-1437.

[8] [8] CHEN Guo-jin,ZHU Miao-fen,SHI Hu-li,et al. Identif ication of image Definition based on minimum isotropy wavelet［J］.Acta Photonica Sinica,2008,37(2):395-399.

[9] [9] QU Yu-fu,PU Zhao-bang,ZHAO Hui-jie.Influence factor analysis of sensitivity of focus criteria function［J］.Acta Optica Sinica,2005,25(7):902-906.