Exponential decay of reconstruction error from binary measurements of sparse signals.
Richard G. BaraniukSimon FoucartDeanna NeedellYaniv PlanMary WoottersPublished in: CoRR (2014)
Keyphrases
- image features
- reconstruction error
- sparse representation
- sparse coding
- image classification
- image representation
- exponential decay
- dictionary learning
- visual words
- signal processing
- sliding window
- image patches
- singular value decomposition
- object recognition
- subband
- linear combination
- reconstructed image
- unsupervised learning
- multiresolution
- filter bank
- generative model
- natural images
- spherical harmonics
- image processing
- face recognition
- high quality
- test images
- objective function
- high dimensional
- dimensionality reduction
- supervised learning