Combined feature method
| Feature difference of a single feature P (Ternary number) Combined feature G (Decimal number) | Δ1 | Δ2 |
|---|---|---|
| 0 | 0 | 0* |
| 1 | 0 | 1* |
| 2 | 0 | 2* |
| 3 | 1 | 0 |
| 4 | 1 | 1 |
| 5 | 1 | 2 |
| 6 | 2 | 0 |
| 7 | 2 | 1 |
| 8 | 2 | 2 |
| Feature difference of a single feature P (Ternary number) | Δ1 | Δ2 |
|---|---|---|
| 0 | 0 | |
| 0 | 1 | |
| 0 | 2 | |
| 1 | 0 | |
| 1 | 1 | |
| 1 | 2 | |
| 2 | 0 | |
| 2 | 1 | |
| 2 | 2 |
Notes:
*2 means Pi+1−Pi>Δ, feature P increased; 1 means |Pi+1−Pi|≤Δ, feature P unchanged; 0 means Pi+1−Pi<−Δ, feature P decreased
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