Clustering of Apsara Faces Single Link 370 新第部 280 9105 783 6 127 landmarks oopppp8oooo C+ s卷±56电e0b++G+年o+9+ d g 94车年+++ 9 10 3 6 8 OX Xǒ Single Link clusters b o+9 +6半e +0p How do we validate the groups? Shape alignmentClustering of Apsara Faces Single Link 127 facial landmarks 127 landmarks 1 2 9 10 3 4 6 5 7 8 Single Link clusters Shape alignment How do we validate the groups?