@inproceedings{oai:nitech.repo.nii.ac.jp:00005999, author = {Mouri, Motoaki and Kato, Yoichi and Yasukawa, Hiroshi and Takumi, Ichi}, book = {Proceedings 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE)}, month = {}, note = {application/pdf, Istanbul, Turkey, 1-4 June 2014}, pages = {1074--1079}, title = {A study of using nonnegative matrix factorization to detect solder-voids from radiographic images of solder}, year = {2014} }