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Exponential decay of reconstruction error from binary measurements of sparse signals.
Richard G. Baraniuk
Simon Foucart
Deanna Needell
Yaniv Plan
Mary Wootters
Published in:
CoRR (2014)
Keyphrases
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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