Curvelet Transform Based Compression Algorithm for Low Resource Hyperspectral Image Sensors

Table 9

Correlation coefficient between the original HS image and reconstructed HS image at the bit rate of 0.1.

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]	3D-LEZSPC (proposed algorithm)
Hyperspectral image I	0.8676	0.8598	0.8672	0.8714	0.8678	0.8761	0.8781	0.8763	0.8701
Hyperspectral image II	0.8482	0.8499	0.848	0.853	0.8514	0.8546	0.8568	0.857	0.8608
Hyperspectral image III	0.881	0.8799	0.8806	0.8862	0.8826	0.893	0.8967	0.8933	0.9005
Hyperspectral image IV	0.8843	0.8856	0.8839	0.8897	0.8859	0.8923	0.8951	0.8926	0.8991
Hyperspectral image V	0.9659	0.9638	0.9656	0.9659	0.9638	0.9655	0.9655	0.9657	0.9662
Hyperspectral image VI	0.9811	0.9799	0.981	0.9804	0.9794	0.9798	0.9815	0.9799	0.9818