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Journals >
Laser & Optoelectronics Progress >
Volume 58 >
Issue 12 >
Page 1210007 > Article
Laser & Optoelectronics Progress
Vol. 58, Issue 12, 1210007 (2021)
Offline Handwritten Text Recognition Based on CTC-Attention
Yangyang Ma and Bing Xiao
*
Author Affiliations
College of Computer Science, Shaanxi Normal University, Shaanxi, Xi’an, 710062 China
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DOI:
10.3788/LOP202158.1210007
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Yangyang Ma, Bing Xiao. Offline Handwritten Text Recognition Based on CTC-Attention[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1210007
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Fig. 1.
MTL framework based on CTC-Attention
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Fig. 2.
CNN+LSTM structure
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Fig. 3.
Example of original dataset
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Fig. 4.
Word accuracy curves of different
λ
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Model
CER(valid)
WER(valid)
CTC
9.7
27.6
Attention
7.1
19.1
MTL(
λ
=0.2)
6.6
18.2
MTL(
λ
=0.5)
7.4
19.8
MTL(
λ
=0.8)
10.4
29.2
Table 1.
CER and WER of MTL on valid dataset unit: %
Method
Author
Pre-processing
Lexicon
Language model
Pre-train
CER
WER
RNN+CTC
Mor
et al
[
19
]
Krishnan
et al
[
20
]
Stunner
et al
[
21
]
Wiginton
et al
[
22
]
√
2.4 million
√
√
Synthetic
6.34
4.77
6.07
20.90
16.19
13.30
19.07
Attention
Bluche
et al
[
6
]
Sueiras
et al
[
1
]
√
CTC
12.60
8.80
23.80
CTC_Attention
Ours
6.60
18.20
Table 2.
Comparison of the recognition rate of several popular methods on the IAM dataset
Abstract
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Yangyang Ma, Bing Xiao. Offline Handwritten Text Recognition Based on CTC-Attention[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1210007
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Paper Information
Category: Image Processing
Received: Aug. 24, 2020
Accepted: Oct. 14, 2020
Published Online: Jun. 17, 2021
The Author Email: Xiao Bing (16392603@qq.com)
DOI:
10.3788/LOP202158.1210007
Recommended Topics
laser devices and laser physics
Lasers and Laser Optics
Laser physics
laser manufacturing
Instrumentation, Measurement and Metrology
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