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.

ModalitySize of imageBit depthSize of ROINumber of blocks in ROIPSNRWPSNRMSSIMTPE

CT12 bits151253.3654.150.95750.0549
MRI16 bits280851.5253.440.93270.0828
US8 bits87456.8258.130.98540.0346