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From the idea of "sparse representation" to a representation-based transformation method for feature extraction.
Yong Xu
Qi Zhu
Zizhu Fan
Yaowu Wang
Jeng-Shyang Pan
Published in:
Neurocomputing (2013)
Keyphrases
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sparse representation
feature representation
image classification
face recognition
feature extraction
image representation
reconstruction error
piecewise smooth
compressed sensing
data mining
em algorithm
test images
object tracking
input data
image features
support vector machine
machine learning