@inproceedings{oai:ir.soken.ac.jp:00005239,
 author = {KITAMURA, Daichi and ONO, Nobutaka and SAWADA, Hiroshi and KAMEOKA, Hirokazu and SARUWATARI, Hiroshi},
 book = {[EUSIPCO 2015 : 23rd European Signal Processing Conference, 2015]},
 month = {},
 note = {978-0-9928626-4-0},
 pages = {1271--1275},
 publisher = {[IEEE]},
 title = {Relaxation of Rank-1 Spatial Constraint in Overdetermined Blind Source Separation},
 year = {2015}
}