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Hierarchical Patch-Based Sparse Representation - A New Approach for Resolution Enhancement of 4D-CT Lung Data.
Yu Zhang
Guorong Wu
Pew-Thian Yap
Qianjin Feng
Jun Lian
Wufan Chen
Dinggang Shen
Published in:
IEEE Trans. Medical Imaging (2012)
Keyphrases
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sparse representation
data sets
high quality
training data
high dimensional data
image data
missing data
resolution enhancement
object recognition
data points
least squares
image representation
dictionary learning