Table 2 Error between the observed and calculated peak values of the real and imaginary parts of the POC surface. 
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.From: One-Time Key Based Phase Scrambling for Phase-Only Correlation between Visually Protected Images
| Part | Observed peak value | Calculated peak value | Error |
|---|---|---|---|---|
| Real | 0.0064 | 0.0000 | 0.0064 |
| Imaginary | 0.0064 | 0.0000 | 0.0064 |
| Real | 0.1212 | 0.1210 | 0.0002 |
| Imaginary | 0.2924 | 0.2922 | 0.0002 |
| Real | 0.4132 | 0.4132 | 0.0000 |
| Imaginary | 0.4131 | 0.4132 | −0.0001 |
| Real | 0.7055 | 0.7054 | 0.0001 |
| Imaginary | 0.2922 | 0.2922 | 0.0000 |
