info:oai:khub.utp.edu.my:20542info:ofi/fmt:xml:xsd:journalSiddiqueMuhammad TariqSiddique, Muhammad TariqVenkatIbrahimVenkat, IbrahimFarooqHumeraFarooq, HumeraTajuddinSharulTajuddin, SharulNewazS.H. ShahNewaz, S.H. Shah5 MAY202520PLoS ONEVirtual sample based techniques using deep features for SSPP face recognition in unconstrained environment19326203article