Research Article
Medical Image Blind Integrity Verification with Krawtchouk Moments
Table 3
Detection rates (%) with HRBT and HRBK features for different modification parameterizations (MR image dataset).
| Modification | Modification detection rates (%) |
| JPEG2000 | HRBT: | 43.33 | 54.93 | 60.60 | 71.07 | 73.87 | HRBK: | 43.47 | 64.20 | 76.13 | 85.13 | 89.80 |
| Gaussian filtering | HRBT: | 46.40 | 91.13 | 99.53 | 99.47 | 99.33 | HRBK: | 44.93 | 92.93 | 99.07 | 99.60 | 99.33 |
| Laplacian filtering | HRBT: | 100 | 100 | 100 | 100 | 100 | HRBK: | 100 | 100 | 100 | 100 | 100 |
| Brightening | HRBT: | 100 | 100 | 100 | 99.73 | 95.13 | HRBK: | 100 | 100 | 100 | 99.20 | 96.13 |
| Scaling | HRBT: | 92.80 | 97.13 | 98.27 | 99.20 | 99.33 | HRBK: | 96.20 | 98.33 | 99.00 | 99.53 | 99.87 |
| Histogram equalization | HRBT: | 100 | 100 | 100 | 100 | 100 | HRBK: | 100 | 100 | 100 | 100 | 100 |
| JPEG compression | HRBT: | 68.73 | 73.87 | 82.40 | 85.40 | 83.87 | HRBK: | 62.80 | 66.73 | 68.40 | 72.13 | 69.00 |
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