[1] LIU Huai,HUANG Jian-xin.Automatic focusing technique based on color image processing[J].Acta Photonica Sinica,2005,34(9):1434-1437.
[2] ZHANG Hong-jian,TIAN Wei-jian,ZHANG Wei,et al.Automatic focusing technique based on color image processing[J].Acta Photonica Sinica,2005,34(9):1434-1437.
[4] YU Yang,ZHANG Xu-ping.General theory research on morphological correlation for gray-scale face recognition[J].Acta Photonica Sinica,2006,35(2):299-303.
[5] PENTLAND A P.A new sense for depth of field[J].IEEE Trans Pattern Anal Mach Intell,1987,9(4):523-531.
[6] BLAYYAS I,KIMMEL R,EHUD R.Role of optics in the accuracy of depth-from-defocus systems[J].JOSA,2007,24(4):967-972.
[7] NAYAR S K,WATANABE M,NOGUCH M.Real-time focus range sensor[J].IEEE Trans on Pattern Analysis and Machine Intelligence,1996,18(12):995-1001.
[8] SUBBARAO M,SURYA G.Depth from defocus:a spatial domain approach[J].International Journal of Computer Vision,1994,13(3):271-294.
[9] ELTOUKHY H A,KAYUSI S.A computationally efficient algorithm for multi-focus image[C].SPIE,2003,5017:332-341.
[10] SUBBARAO M,SURYA G.On the depth information in the point spread function of a defocused optical system[EB/OL].[2008-08-25].http//www.ee.sunysb.edu/~cv/Publications/MsubbaraoTR1990.pdf.
[11] WATANABE M,NAYAR S K,NOGUCH M.Real time computation of depth from defocus[C].SPIE,1995,2599:14-25.
[12] BANDO Y,NISHITA T.Towards digital refocusing from a single photograph[C].15th Pacific Conference on Computer Graphics and Applications,2007:363-372.