[1]   J Ben-Arie and KR Rao. A novel approach for template matching by non-orthogonal image expansion. IEEE Trans. on Circuits and Systems for Video Technology, 3:71–84, 1993.
http://dx.doi.org/10.1109/76.180691.

[2]   J Ben-Arie and KR Rao. On the recognition of occluded shapes and generic faces using multiple-template expansion matching. In Proc. of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR’93), pages 214–219, 1993.
http://dx.doi.org/10.1109/CVPR.1993.340987.

[3]   J Ben-Arie and KR Rao. Optimal template matching by nonorthogonal image expansion using restoration. Machine Vision and Applications, 7:69–81, 1994.
http://dx.doi.org/10.1007/BF01215803.

[4]   R Brunelli and T Poggio. Template matching: Matched spatial filters and beyond. Pattern Recognition, 30:751–768, 1997.
http://dx.doi.org/10.1016/S0031-3203(96)00104-5.

[5]   D Casasent. Unified synthetic discriminant function computational formulation. Applied Optics, 23:1620–1627, 1984.

[6]   D Casasent and W-T Chang. Correlation synthetic discriminant functions. Applied Optics, 25:2343–2350, 1986.

[7]   D Casasent and G Ravichandran. Advanced distortion-invariant minimum average correlation energy (MACE) filters. Applied Optics, 31:1109–1116, 1992.

[8]   D Casasent, G Ravichandran, and S Bollapragada. Gaussian-minimum average correlation energy filters. Applied Optics, 30:5176–5181, 1991.

[9]   BVKV Kumar. Minimum-variance synthetic discriminant functions. J. of the Optical Society of America A, 3:1579–1584, 1986.
http://dx.doi.org/10.1364/JOSAA.3.001579.

[10]   BVKV Kumar, D Casasent, and H Murakami. Principal-component imagery for statistical pattern recognition correlators. Optical Engineering, 21:43–47, 1982.

[11]   BVKV Kumar, A Mahalanobis, S Song, SRF Sims, and JF Epperson. Minimum squared error synthetic discriminant functions. Optical Engineering, 31:915–922, 1992.

[12]   A Mahalanobis and D Casasent. Performance evaluation of minimum average correlation energy filters. Applied Optics, 30:561–572, 1991.

[13]   A Mahalanobis, BVKV Kumar, and D Casasent. Minimum average correlation energy filters. Applied Optics, 26(17):3633–3640, 1987.

[14]   G Ravichandran and D Casasent. Minimum noise and correlation energy optical correlation filter. Applied Optics, 31:1823–1833, 1992.

[15]   SI Sudharsanan, A Mahalanobis, and MK Sundareshan. Unified framework for the synthesis of synthetic discriminant functions with reduced noise variance and sharp correlation structure. Optical Engineering, 29:1021–1028, 1990.
http://dx.doi.org/10.1117/12.55698.