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Decision tree and deep learning based probabilistic model for character recognition

机译:基于决策树和深度学习的字符识别概率模型

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摘要

One of the most important methods that finds usefulness in various applications, such as searching historical manuscripts, forensic search, bank check reading, mail sorting, book and handwritten notes transcription, is handwritten character recognition. The common issues in the character recognition are often due to different writing styles, orientation angle, size variation (regarding length and height), etc. This study presents a classification model using a hybrid classifier for the character recognition by combining holoentropy enabled decision tree (HDT) and deep neural network (DNN). In feature extraction, the local gradient features that include histogram oriented gabor feature and grid level feature, and grey level co-occurrence matrix (GLCM) features are extracted. Then, the extracted features are concatenated to encode shape, color, texture, local and statistical information, for the recognition of characters in the image by applying the extracted features to the hybrid classifier. In the experimental analysis, recognition accuracy of 96% is achieved. Thus, it can be suggested that the proposed model intends to provide more accurate character recognition rate compared to that of character recognition techniques used in the literature.
机译:手写字符识别是在各种应用程序中找到用处的最重要方法之一,例如搜索历史手稿,法医搜索,银行支票阅读,邮件分类,书籍和手写笔记抄录。字符识别中的常见问题通常是由于不同的书写风格,方向角度,大小变化(关于长度和高度)等引起的。本研究提出了一种使用混合分类器的分类模型,该模型通过结合启用了熵的决策树来进行字符识别( HDT)和深度神经网络(DNN)。在特征提取中,提取包括面向直方图的gabor特征和网格水平特征以及灰度共生矩阵(GLCM)特征的局部梯度特征。然后,将提取的特征进行串联以对形状,颜色,纹理,局部和统计信息进行编码,以通过将提取的特征应用于混合分类器来识别图像中的字符。在实验分析中,识别精度达到96%。因此,可以建议与文献中使用的字符识别技术相比,所提出的模型旨在提供更准确的字符识别率。

著录项

  • 来源
    《中南大学学报(英文版)》 |2017年第12期|2862-2876|共15页
  • 作者

    A.K.Sampath; N.Gomathi;

  • 作者单位

    Rizvi College of Engineering, Mumbai, Maharashtra 400050, India;

    Veltech Dr.R.R&Dr.S.R. Technical University, Avadi Chennai-600 062, India;

  • 收录信息 中国科学引文数据库(CSCD);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-18 01:06:27
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