Figure 3
From: Comparison of three full-field optical measurement techniques applied to vibration analysis

(a) Image of U-DIC setup, (b) sketch of the triangulation principle, (c) diagram of U-DIC processing chain.
From: Comparison of three full-field optical measurement techniques applied to vibration analysis

(a) Image of U-DIC setup, (b) sketch of the triangulation principle, (c) diagram of U-DIC processing chain.