Clustering by Orthogonal NMF Model and Non-Convex Penalty Optimization.

Shuai Wang Tsung-Hui Chang Ying Cui Jong-Shi Pang

Published in: IEEE Trans. Signal Process. (2021)

Keyphrases

probabilistic model
objective function
computational model
optimization model
mathematical model
optimization process
high level
text mining
unsupervised learning
clustering method
optimization method