Curvelet Transform Based Compression Algorithm for Low Resource Hyperspectral Image Sensors

Table 5

Bjøntegaard delta PSNR gain of 3D-LEZSPC with other HS image compression algorithms for seven different bit rates.

HS image	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]
Hyperspectral image I	0.1285	0.1304	0.1546	0.4004	0.4367	0.4153	0.1443	0.3774
Hyperspectral image II	0.1015	0.2401	0.1245	0.2228	0.3099	0.5377	0.0898	0.2254
Hyperspectral image III	0.0528	0.2304	0.0649	0.2172	0.3034	0.2875	−0.0575	0.02608
Hyperspectral image IV	0.0892	0.222	0.1039	0.2092	0.2392	0.2729	0.0388	0.2193
Hyperspectral image V	0.7589	0.9784	0.7856	0.8963	1.0877	1.0018	0.6984	0.9720
Hyperspectral image VI	0.6324	0.8553	0.6507	0.7853	0.9805	0.8344	0.6301	0.8077