TY - RPRT TI - PDE Constrained Optimization for Digital Image Correlation AU - Lehoucq, Richard B. AU - Turner, Daniel Z. AU - Garavito-Garzon, Carlos A. PY - 2015 DO - 10.2172/1494349 UR - https://www.osti.gov/biblio/1494349 ID - 1494349 ER -