Table 9 The CCF parameters and literal descriptions of different images in the CCF grading map.
From: A new Chinese crow’s feet grading scale based on the DermaTOP system
Image name | CCF parameters | Literal descriptions |
|---|---|---|
~ 0 | 0.1153 | The wrinkles are invisible |
0–1 | 0.5767 | The wrinkles are hardly visible |
1–2 | 1.9562 | The wrinkles are visible, but small and clustered |
2–3 | 3.6065 | The wrinkles are visible |
3–4 | 4.6173 | The wrinkles are visible and mild |
4–5 | 6.657 | The wrinkles are visible and moderate |
5–6 | 6.9143 | The wrinkles are visible, deep and clear |
6– | 8.6717 | The wrinkles are visible, deep, clear and thick |
