TY - RPRT TI - Finite element formulation for a digital image correlation method. AU - Yaofeng Sun AU - John H L Pang AU - Chee Khuen Wong AU - Fei Su PY - 2005 DO - 10.1364/ao.44.007357 UR - https://pubmed.ncbi.nlm.nih.gov/16353807/ ID - 16353807 ER -