Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Watermarking performance with use of different watermark coding bit depth value (48 iterations for 4 intervals, six wavelets types and textual or numerical watermark).
| Coding Bit Depth (Bits per Sample) | Sum of Average Errors (ms) | Number of Errorless Cases | Errors Exceeding IEC Requirements |
|---|---|---|---|
| 1 | 298.41 | 0 | 10 |
| 2 | 55.98 | 0 | 0 |
| 3 | 13.56 | 28 | 0 |
| 4 | 0 | 48 | 0 |
| 5 | 1.16 | 34 | 0 |
| automatic | 0.45 | 39 | 0 |
