Spectra denoising of hyperspectral thermal infrared emissivity product via sparse representation over learned dictionaries.
Chengyi LiShufang TianPublished in: IGARSS (2016)
Keyphrases
- sparse representation
- infrared
- hyperspectral
- thermal infrared
- denoising
- hyperspectral images
- visible spectrum
- dictionary learning
- hyperspectral data
- image denoising
- sparse coding
- target detection
- hyperspectral imagery
- spectral data
- image representation
- image classification
- face recognition
- image patches
- dimensionality reduction
- spatial resolution
- signal processing
- spectral bands
- image processing
- random projections
- wavelet domain
- natural images
- object tracking
- frequency domain
- illumination variations
- pattern recognition
- feature extraction
- high dimensional data
- principal component analysis
- image analysis
- image data
- data sets