Research Article

Curvelet Transform Based Compression Algorithm for Low Resource Hyperspectral Image Sensors

Table 4

Comparative analysis of the structural similarity (SSIM) index between the 3D-LEZSPC with the other wavelet transform based set partitioned HSICA.

Bit rate (bpppb)3D-SPECK [16]3D-SPIHT [17]3D-WBTC [18]3D-LSK [19]3D-NLS [20]3D-LMBTC [21]3D-LCBTC [22]3D-ZM-SPECK [23]3D-LEZSPC [proposed algorithm]

Hyperspectral image I
0.0010.0780.0780.0770.0730.0630.0750.0740.0770.078
0.0050.1950.1950.1940.1860.1830.1860.1870.1880.194
0.010.2320.2320.230.2350.2180.2330.2370.2380.231
0.050.3710.3710.3690.3750.370.3760.3740.3770.376
0.10.4220.4220.4210.4360.4240.4290.4280.4370.428
0.250.5040.5040.5040.5180.5210.5190.5240.5190.518
0.50.5890.5910.5910.5930.5910.5920.5890.5910.592

Hyperspectral image II
0.0010.270.2670.2680.2660.2640.2680.2670.2640.27
0.0050.3730.3650.3720.3670.3620.3670.3740.3640.371
0.010.420.4150.4190.4210.4140.4180.4170.4190.42
0.050.6080.6010.6070.6110.6020.6080.6110.6100.61
0.10.6660.6610.6660.6680.6630.6650.6660.6650.665
0.250.7640.7620.7640.7660.7630.7640.7630.7650.764
0.50.8240.8250.8270.8280.8260.8270.830.8270.825

Hyperspectral image III
0.0010.1640.1690.1640.1630.1640.1640.1640.1640.163
0.0050.2910.2850.2910.290.2840.2850.2830.2860.29
0.010.3380.3390.3370.3310.3260.3260.3340.3260.334
0.050.4820.4770.4830.4880.4780.4780.4810.4790.48
0.10.5410.5370.5410.5470.5390.5390.52705380.541
0.250.6490.6470.6460.6480.6470.6470.6490.6470.648
0.50.7230.7210.7230.7330.7240.7240.7280.7240.722

Hyperspectral image IV
0.0010.2130.2080.2120.2120.2040.2070.2110.2030.211
0.0050.3160.3110.3160.3150.3070.3120.3150.3130.312
0.010.3650.3660.3630.3620.3660.3590.3640.3590.366
0.050.5320.5290.5330.5350.5290.5310.530.5310.531
0.10.5980.5940.5970.6040.6010.6040.6030.6030.594
0.250.7110.7080.710.7080.7120.7140.7150.7120.712
0.50.7870.7840.7870.7910.7890.7880.790.7890.788

Hyperspectral image V
0.0010.0720.0690.0710.0700.0680.0710.0700.0710.074
0.0050.1710.1590.1670.1700.1570.1630.1660.1650.174
0.010.2090.2020.2080.2090.2030.2040.2090.2050.211
0.050.3070.2990.3050.3080.3030.3090.3100.3090.314
0.10.3410.3370.3400.3420.3380.3420.3420.3430.347
0.250.3780.3710.3770.3780.3760.3800.3810.3800.383
0.50.4070.4050.4080.4070.4070.4180.4210.4190.427

Hyperspectral image VI
0.0010.0870.0830.0870.0870.0830.0870.0860.0870.088
0.0050.1650.1580.1640.1710.1560.1630.1660.1640.165
0.010.2030.1950.2010.2020.1950.1970.2010.1990.201
0.050.2990.2940.2980.2990.2970.3000.3020.3010.302
0.10.3350.3310.3340.3380.3350.3390.3390.3390.339
0.250.3780.3790.3780.3790.3780.3790.3810.3790.381
0.50.4330.4320.4340.4340.4330.4330.4330.4330.435