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Accurate Structured-Text Spotting for Arithmetical Exercise Correction.
Yiqing Hu
Yan Zheng
Hao Liu
Deqiang Jiang
Yinsong Liu
Bo Ren
Published in:
AAAI (2020)
Keyphrases
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unstructured text
information retrieval
text mining
document analysis
highly accurate
text retrieval
database
high quality
machine learning
metadata
information extraction
web documents
free text
english text