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A Chinese character structure preserved denoising method for Chinese tablet calligraphy document images based on KSVD dictionary learning.
Zhenghao Shi
Binxin Xu
Xia Zheng
Minghua Zhao
Published in:
Multim. Tools Appl. (2017)
Keyphrases
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dictionary learning
chinese characters
document images
sparse representation
sparse coding
character recognition
hand written
optical character recognition
denoising
image denoising
printed documents
denoising methods
image classification
sparse codes
machine vision
noisy images
linear combination
dimensionality reduction
pairwise
feature extraction
image processing