, the third volume of ten from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of optical methods ranging from traditional photoelasticity and interferometry to more recent DIC and DVC techniques, and includes papers in the following general technical research areas: • Advances in Digital Image Correlation • Challenging Applications of DIC • Uncertainty Analysis & Improvements to DIC Accuracy • Photoelasticity, Interferometry, & Moire Methods • Applications of Stereovision • Inverse Methods at High Strain Rates • Inverse Methods in Plasticity