Integrating knowledge-based sparse representation for image detection.
Guangxi LuLing TianXu ZhengBei HuiPublished in: Neurocomputing (2021)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- reconstruction error
- multiscale
- dictionary learning
- piecewise smooth
- image features
- sparse coding
- image data
- sparse coefficients
- sparse reconstruction
- input image
- image patches
- image retrieval
- single image
- image segmentation
- compressed sensing
- object tracking
- bag of words
- joint optimization
- object recognition
- sparsity constraints
- basis vectors
- orthogonal matching pursuit
- spatial information
- image set
- keypoints
- natural images
- input data
- feature space
- face recognition