Post-OCR Error Detection by Generating Plausible Candidates
Post-OCR Error Detection by Generating Plausible Candidates
复制标题
通过生成可信候选进行 OCR 后错误检测
DOI:
10.1109/icdar.2019.00145
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Nhu Van Nguyen and Antoine Doucet
中科院分区:
文献类型:
--
作者:
Thi Tuyet Hai Nguyen;Adam Jatowt;Mickael Coustaty;Nhu Van Nguyen and Antoine Doucet
The accuracy of Optical Character Recognition (OCR) technologies considerably impacts the way digital documents are indexed, accessed and exploited. Post-processing approaches detect and correct remaining errors to improve the quality of OCR texts. However, state-of-the-art approaches still need to be improved. Most of the existing post-OCR techniques use predefined error position lists or apply simple techniques to detect errors. In this paper, we describe a novel error detector using different features from character-level (including character noisy channel, index of peculiarity) to word-level (such as frequencies of n-grams, skip-grams, part-of-speech) Experimental results show that our approach outperforms the best performing techniques in the ICDAR 2017 Competition on Post-OCR text correction.
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发表时间:
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期刊:
ArXiv
影响因子:
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