Superpixel-based HSI Classification via Semisupervised K-SVD and Multi-scale Sparse Representation.
Lianlei LinCailu ChenZhuxu ZhouShanshan ZhangPublished in: I2MTC (2019)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- multiscale
- image representation
- face recognition
- reconstruction error
- joint optimization
- feature extraction
- compressed sensing
- compressive sensing
- dimensionality reduction
- pattern recognition
- signal processing
- semi supervised
- bag of words
- image patches
- decision trees
- random projections
- computer vision
- sparse codes
- high dimensional data
- unsupervised learning
- natural images
- feature space
- test images
- text classification
- superpixels
- supervised learning
- wavelet transform
- support vector machine
- feature vectors
- training set
- data mining