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作者:

Ali, Saqib (Ali, Saqib.) | Li, Jianqiang (Li, Jianqiang.) (学者:李建强) | Pei, Yan (Pei, Yan.) | Aslam, Muhammad Saqlain (Aslam, Muhammad Saqlain.) | Shaukat, Zeeshan (Shaukat, Zeeshan.) | Azeem, Muhammad (Azeem, Muhammad.)

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SCIE

摘要:

Optical character recognition is gaining immense importance in the domain of deep learning. With each passing day, handwritten digits (0-9) data are increasing rapidly, and plenty of research has been conducted thus far. However, there is still a need to develop a robust model that can fetch useful information and investigate self-build handwritten digit data efficiently and effectively. The convolutional neural network (CNN) models incorporating a sigmoid activation function with a large number of derivatives have low efficiency in terms of feature extraction. Here, we designed a novel CNN model integrated with the extreme learning machine (ELM) algorithm. In this model, the sigmoid activation function is upgraded as the rectified linear unit (ReLU) activation function, and the CNN unit along with the ReLU activation function are used as a feature extractor. The ELM unit works as the image classifier, which makes the perfect symmetry for handwritten digit recognition. A deeplearning4j (DL4J) framework-based CNN-ELM model was developed and trained using the Modified National Institute of Standards and Technology (MNIST) database. Validation of the model was performed through self-build handwritten digits and USPS test datasets. Furthermore, we observed the variation of accuracies by adding various hidden layers in the architecture. Results reveal that the CNN-ELM-DL4J approach outperforms the conventional CNN models in terms of accuracy and computational time.

关键词:

deep learning feature extraction handwritten self-build digits images MNIST digits optical character recognition

作者机构:

  • [ 1 ] [Ali, Saqib]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Jianqiang]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Shaukat, Zeeshan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Pei, Yan]Univ Aizu, Comp Sci Div, Fukushima 9658580, Japan
  • [ 5 ] [Aslam, Muhammad Saqlain]Natl Cent Univ, Dept Comp Sci & Informat Engn, Taoyuan 32001, Taiwan
  • [ 6 ] [Azeem, Muhammad]Univ Sialkot, Dept Informat Technol, Sialkot 51040, Punjab, India

通讯作者信息:

  • [Pei, Yan]Univ Aizu, Comp Sci Div, Fukushima 9658580, Japan

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来源 :

SYMMETRY-BASEL

年份: 2020

期: 10

卷: 12

2 . 7 0 0

JCR@2022

ESI学科: Multidisciplinary;

ESI高被引阀值:99

JCR分区:2

被引次数:

WoS核心集被引频次: 16

SCOPUS被引频次: 16

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

近30日浏览量: 2

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