Figure 3. Transformation parameters of potential translation, stretch, shear and distortion

From

High-speed Digital Image Correlation as a Tool for 3D Motion Analysis of Mechanical Systems

František Trebuňa, Róbert Huňady, Martin Hagara, Ivan Virgala

American Journal of Mechanical Engineering. 2015, 3(6), 195-200 doi:10.12691/ajme-3-6-8