Denoising Hyperspectral Imagery and Recovering Junk Bands using Wavelets and Sparse Approximation.
Adam C. ZelinskiVivek K. GoyalPublished in: IGARSS (2006)
Keyphrases
- hyperspectral imagery
- sparse approximation
- denoising
- spectral bands
- hyperspectral images
- hyperspectral data
- noise model
- wavelet packet
- noisy images
- image processing
- linear combination
- hyperspectral
- image denoising
- sparse coding
- remote sensing
- natural images
- frequency domain
- gaussian noise
- multispectral
- multiresolution
- total variation
- wavelet domain
- target detection
- convex relaxation
- gaussian process
- signal processing
- wavelet transform
- spatial resolution
- image compression
- feature extraction
- infrared
- noise level
- image representation
- video sequences
- multiscale
- image classification
- feature vectors