Non-negativity and locality constrained Laplacian sparse coding for image classification.

Ying Shi Yuan Wan Kefeng Wu Xiaoli Chen

Published in: Expert Syst. Appl. (2017)

Keyphrases

sparse coding
image classification
dictionary learning
image representation
sparse representation
discriminative power

visual words
bag of words
feature extraction
visual recognition
single image super resolution
object category recognition

person re identification
natural images
image features
sparse codes
unsupervised learning
manifold structure

codebook generation
linear combination
object recognition
computer vision
bag of features