Research Article
A Novel HDR Image Zero-Watermarking Based on Shift-Invariant Shearlet Transform
Table 4
NCs of eight HDR images under different TM attacks.
| ā | Rend01 | Rend07 | Rend09 | Rend10 | Rend13 | AtriumNight | CS_Warwick | Rend11 |
| TM1 | 0.9874 | 0.9486 | 0.9898 | 0.9550 | 0.9771 | 0.9876 | 0.9678 | 0.9442 | TM2 | 0.9910 | 0.9551 | 0.9868 | 0.9815 | 0.9749 | 0.9861 | 0.9697 | 0.9550 | TM3 | 0.9733 | 0.9451 | 0.9662 | 0.9525 | 0.9708 | 0.9542 | 0.9683 | 0.9537 | TM4 | 0.9944 | 0.9807 | 0.9951 | 0.9870 | 0.9927 | 0.9927 | 0.9951 | 0.9853 | TM5 | 0.9529 | 0.9324 | 0.9486 | 0.9412 | 0.9469 | 0.9443 | 0.9529 | 0.9144 | TM6 | 0.9929 | 0.9963 | 0.9974 | 0.9949 | 0.9983 | 0.9963 | 0.9969 | 0.9871 | TM7 | 0.9839 | 0.9531 | 0.9755 | 0.9815 | 0.9608 | 0.9773 | 0.9719 | 0.9708 | TM8 | 0.9980 | 0.9538 | 0.9924 | 0.9829 | 0.9845 | 0.9862 | 0.9443 | 0.9624 | TM9 | 0.9907 | 0.9636 | 0.9777 | 0.9798 | 0.9782 | 0.9793 | 0.9828 | 0.9665 | TM10 | 0.9785 | 0.9347 | 0.9593 | 0.9557 | 0.9781 | 0.9611 | 0.9662 | 0.9446 | TM11 | 0.9898 | 0.9597 | 0.9852 | 0.9823 | 0.9773 | 0.9798 | 0.9809 | 0.9732 | TM12 | 0.9944 | 0.9879 | 0.9937 | 0.9916 | 0.9952 | 0.9930 | 0.9901 | 0.9857 | TM13 | 0.8899 | 0.8164 | 0.8981 | 0.8426 | 0.8869 | 0.8978 | 0.8796 | 0.9009 | TM14 | 0.8923 | 0.9478 | 0.9370 | 0.9011 | 0.9443 | 0.9320 | 0.8538 | 0.8823 | Average | 0.9721 | 0.9482 | 0.9716 | 0.9592 | 0.9690 | 0.9691 | 0.9586 | 0.9519 |
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