Positioning corners of human mouth based on local gradient operator
Crossref DOI link: https://doi.org/10.1007/s11042-015-2627-0
Published Online: 2015-04-22
Published Print: 2016-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Yulin
Ding, Wenjia
Chen, Yixin
Text and Data Mining valid from 2015-04-22