Summarization of human activity videos via low-rank approximation.

Ioannis Mademlis Anastasios Tefas Nikos Nikolaidis Ioannis Pitas

Published in: ICASSP (2017)

Keyphrases

k means
human activities
low rank approximation
spectral clustering
activity recognition
singular value decomposition
human computer interaction

human actions
low rank
sensor data
action recognition
subspace learning
adjacency matrix

nonnegative matrix factorization
information retrieval
data dependent
computer vision
text categorization
iterative algorithms

reconstruction error
kernel matrix
latent semantic indexing
active learning
dimensionality reduction
high dimensional data