[1] [1] Y. N. Hsu, H. H. Arsenault. Optical pattern recognition using circular harmonic expansion. Appl. Opt., 1982, 21(4): 4016～4028

[2] [2] S. Zh. Yin, L. Chen, G. G. Mu. 3-D target recognition by using serial-code-filters. Optik, 1989, 82(4): 129～131

[3] [3] D. Casasent, D. Psalltis. Scale Invariant optical correlation using Mellin transforms. Opt. Commun., 1976, 17(1): 59～62

[4] [4] D. Casasent. Unified synthetic discrimination function computational formulation. Appl. Opt., 1984, 23(10): 1620～1627

[5] [5] G. F. Schils, D. W. Sweeney. An optical processor for recognition of 3-D targets viewed fromany direction. J. Opt. Soc. Am. (A), 1988, 5(8): 1308～1321

[6] [6] T. Poggio, S. Edelman. A network that learns to recognize three-dimensional objects. Nature, 1990, 343(1): 263～266