Research Article
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 |
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