Reconstruction Error in Nonuniformly Sampled Approximately Sparse Signals.
Ljubisa StankovicMilos BrajovicIsidora StankovicCornel IoanaMilos DakovicPublished in: IEEE Geosci. Remote. Sens. Lett. (2021)
Keyphrases
- reconstruction error
- sparse representation
- sparse coding
- signal processing
- singular value decomposition
- filter bank
- natural images
- face recognition
- image classification
- objective function
- high dimensional
- linear combination
- subband
- generative model
- classification error
- reconstructed image
- image representation
- dimensionality reduction
- image patches
- pattern recognition
- high frequency
- least squares
- probabilistic model
- feature space
- multiscale