Local features are not lonely - Laplacian sparse coding for image classification.

Shenghua Gao Ivor Wai-Hung Tsang Liang-Tien Chia Peilin Zhao

Published in: CVPR (2010)

Keyphrases

sparse coding
image classification
image features
feature extraction
dictionary learning
sparse representation
image representation
sparse codes
feature space

basis vectors
spatial pyramid matching
svm classifier
natural images
linear combination
discriminative power
single image super resolution
codebook generation

visual words
bag of features
person re identification
generative model
feature vectors
image patches
visual recognition
object category recognition

manifold structure
bag of words
unsupervised learning
spatial information
visual categorization
text mining
high dimensional
discriminative dictionary