This paper describes a non-contact structural internal deterioration measurement method. The method can detect the internal deterioration by separating in-plane displacements and out-of-plane displacements from motion vector field images using a monocular camera.
Hiroshi Imai, Masahiko Ohta, Kazuhito Murata, "Structural internal deterioration detection with motion vector field image analysis using monocular camera" in Proc. IS&T Int’l. Symp. on Electronic Imaging: 3D Image Processing, Measurement (3DIPM), and Applications, 2016, https://doi.org/10.2352/ISSN.2470-1173.2016.21.3DIPM-410