Table 2 Classification of the total colour variations depending on the values of ∆E.
From: A first evaluation of the usefulness of Kudzu starch in cultural heritage restoration
Category 1 | E*ab ≤ 4 |
Category 2 | 4 < E*ab ≤ 8 |
Category 3 | 8 < E*ab ≤ 16 |
Category 4 | 16 < E*ab ≤ 24 |
Category 5 | E*ab ≥ 24 |
