Research Article
Medical Image Watermarking Technique for Accurate Tamper Detection in ROI and Exact Recovery of ROI
Table 3
Results of embedding data in three medical images of different modalities.
| Modality | Size of image | Bit depth | Size of ROI | Number of blocks in ROI | PSNR | WPSNR | MSSIM | TPE |
| CT | | 12 bits | | 1512 | 53.36 | 54.15 | 0.9575 | 0.0549 | MRI | | 16 bits | | 2808 | 51.52 | 53.44 | 0.9327 | 0.0828 | US | | 8 bits | | 874 | 56.82 | 58.13 | 0.9854 | 0.0346 |
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