Bilevel sparse coding for coupled feature spaces.
Jianchao YangZhaowen WangZhe LinXianbiao ShuThomas S. HuangPublished in: CVPR (2012)
Keyphrases
- sparse coding
- feature space
- natural images
- dictionary learning
- image representation
- sparse representation
- image classification
- linear combination
- unsupervised learning
- discriminative power
- generative model
- single image super resolution
- sparse codes
- high dimensional
- object category recognition
- visual words
- support vector machine
- training samples
- multiscale
- feature vectors
- dimensionality reduction
- hyperplane
- image patches
- object recognition
- training set
- data sets
- computer vision
- feature selection
- pattern recognition
- kernel function
- prior knowledge
- semi supervised
- denoising