Chen, H.-H.H.-H.ChenJIAN-JIUN DING2020-06-042020-06-042015https://scholars.lib.ntu.edu.tw/handle/123456789/497007Nonlocal means image denoising based on bidirectional principal component analysisconference paper10.1109/ICASSP.2015.71781732-s2.0-84946076188https://www.scopus.com/inward/record.uri?eid=2-s2.0-84946076188&doi=10.1109%2fICASSP.2015.7178173&partnerID=40&md5=474d2ea4d9629692b060d6efad395cbc