Unsupervised deep clustering via contractive feature representation and focal loss.

Jinyu Cai Shiping Wang Chaoyang Xu Wenzhong Guo

Published in: Pattern Recognit. (2022)

Keyphrases

feature representation
unsupervised learning
feature extraction
feature representations
face recognition
low dimensional
k means
semi supervised
unsupervised clustering
clustering algorithm
data sets
feature set
feature subspace
pattern recognition
viewpoint