1. Motomura, Y., Ono, A., Yoshii, K., Sonoda, K., 1997. Application of morphological filters to noise suppression in neutron radiography image. In: Fifth World Conference on Neutron Radiography, Deutshe Gesellschaft für Zerstörungsfreie Prüfung e.V., pp. 229–236.
2. A method for quantitative measurement by thermal neutron radiography;Takenaka;Nondestr. Test. Eval.,2001