Learning Discriminative Dictionary for Group Sparse Representation.

Yubao Sun Qingshan Liu Jinhui Tang Dacheng Tao

Published in: IEEE Trans. Image Process. (2014)

Keyphrases

dictionary learning
sparse representation
sparse coding
discriminative dictionary
sparse codes
reinforcement learning
natural images
compressive sensing
unsupervised learning
supervised learning
face recognition
learning algorithm
image classification
object tracking
prior knowledge
training data
computer vision