Table 10: Accuracy Values (db) for the 2D filterbanks. For the filter number, refer to Figure 6 and Figure 7. Test Image: lena (CIF).

Filter number Gabor filterbank— complex coefficients Equiripple filterbank— real coefficients
Real input image (RICH)Complex input image (CICH)Real input image (RIRH)Complex input Image (CIRH)

197.830397.810995.0615100.7943
298.008897.990273.988197.5084
395.848796.224094.812497.8973
494.468194.350695.8114101.3000
597.865297.8665
696.814496.9237
792.458094.3768
896.725196.7780
992.540993.3594
1091.200192.3059
1195.793396.0248
1298.640598.1494
1397.175596.3996
1496.621995.7369
1594.604894.0747
1694.370796.2460
1791.603392.4280
1892.010692.7980