Table 1.
Picture data.
| Picture | Luminance (%) | Pixel |
|---|---|---|
| a | 85 | 128 ∗ 138 |
| b | 80 | 192 ∗ 192 |
| c | 90 | 384 ∗ 384 |
| d | 95 | 640 ∗ 640 |
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