Fast Approximation for Sparse Coding with Applications to Object Recognition.
Zhenzhen SunYuanlong YuPublished in: Sensors (2021)
Keyphrases
- sparse coding
- object recognition
- natural images
- image representation
- sparse approximation
- unsupervised learning
- dictionary learning
- sparse representation
- linear combination
- image classification
- image patches
- generative model
- discriminative power
- sparse codes
- computer vision
- image features
- single image super resolution
- feature space
- multiscale
- person re identification
- scene classification
- visual recognition
- object category recognition
- pattern recognition
- object categories
- test images
- object detection
- high dimensional
- feature vectors
- small number
- data sets
- language model