A Spectral Reconstruction Algorithm of Miniature Spectrometer Based on Sparse Optimization and Dictionary Learning.
Shang ZhangYuhan DongHongyan FuShao-Lun HuangLin ZhangPublished in: Sensors (2018)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- hyperspectral
- spectral data
- sparse codes
- natural images
- group sparsity
- object category recognition
- signal recovery
- image classification
- unsupervised learning
- orthogonal matching pursuit
- infrared
- face recognition
- high dimensional data
- neural network
- structured sparsity
- sparsity constraints
- random projections
- signal processing
- dictionary learning for sparse