Table 1 A comparison between watermarked and original images in terms of PSNR and SSIM (for both whole image and ROI)
From: A dual adaptive watermarking scheme in contourlet domain for DICOM images
| Â | Â | Wavele Domain | Contourlet Domain | ||
|---|---|---|---|---|---|
| Â | Region of Image | PSNR | SSIM | PSNR | SSIM |
Image 1 | Whole Image | 46.4048 | 0.9435 | 45.9788 | 0.9390 |
| Â | ROI | 67.2762 | 0.9989 | 67.8702 | 0.9988 |
Image 2 | Whole Image | 46.9069 | 0.9408 | 46.6576 | 0.9308 |
| Â | ROI | 66.4100 | 0.9978 | 67.2339 | 0.9980 |
Image 3 | Whole Image | 45.5991 | 0.9395 | 45.0714 | 0.9334 |
| Â | ROI | 66.1855 | 0.9986 | 67.3513 | 0.9988 |
Image 4 | Whole Image | 46.1614 | 0.9411 | 46.1807 | 0.9353 |
| Â | ROI | 67.1661 | 0.9973 | 64.8483 | 0.9971 |
Image5 | Whole Image | 46.0466 | 0.9383 | 46.2871 | 0.9343 |
| Â | ROI | 66.3350 | 0.9987 | 66.9405 | 0.9981 |