Yoshiharu Morimoto Li Tang Yasuyuki Seguchi Shape and Strain Measurement of 3-D Object Using Fourier Transform Grid Method. 31-34 1990 MVA http://b2.cvl.iis.u-tokyo.ac.jp/mva/proceedings/CommemorativeDVD/1990/papers/1990031.pdf conf/mva/1990 db/conf/mva/mva1990.html#MorimotoTS90