Sparse coding for hyperspectral images using random dictionary and soft thresholding.
Ender OgusluKhan IftekharuddinJiang LiPublished in: Visual Information Processing (2012)
Keyphrases
- hyperspectral images
- sparse coding
- sparse representation
- sparse codes
- dictionary learning
- soft thresholding
- hyperspectral
- image classification
- discriminative dictionary
- natural images
- linear combination
- image patches
- unsupervised learning
- image representation
- remote sensing
- denoising
- face recognition
- generative model
- total variation
- sparse representation based classification
- multispectral
- noise reduction
- image denoising
- feature space
- wavelet domain
- target detection
- high dimensional data
- signal processing
- visual categorization
- computer vision
- object recognition
- high dimensional
- multiscale
- test images
- infrared
- feature selection
- mutual information