A Handwritten Digit Recognition System for VLSI Implementation

路伟; 石秉学; 李志坚

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A Handwritten Digit Recognition System for VLSI Implementation

更新时间：2025-12-08

- A Handwritten Digit Recognition System for VLSI Implementation
- Acta Electronica Sinica Issue 5, (1997)
- 作者机构：
  
  清华大学微电子所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.4
- Published：1997
- 稿件说明：
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[1]路伟,石秉学,李志坚.一种面向VLSI实现的手写体数字识别系统[J].电子学报,1997(05):29-34.

路伟, 石秉学, 李志坚. A Handwritten Digit Recognition System for VLSI Implementation[J]. Acta Electronica Sinica, 1997, (5).
[1]路伟,石秉学,李志坚.一种面向VLSI实现的手写体数字识别系统[J].电子学报,1997(05):29-34. DOI：

路伟, 石秉学, 李志坚. A Handwritten Digit Recognition System for VLSI Implementation[J]. Acta Electronica Sinica, 1997, (5). DOI：

摘要

本文介绍一种面向ＶＬＳＩ实现的手写体数字识别系统，其中采用汉明神经网络从模式中提取局部特征，然后对提取出的特征图进行压缩，最后由模糊逻辑识别器根据压缩的特征图对输入模式进行识别．为了在不增加特征集的情况下提高特征提取性能，在系统设计时提出了四种新的技术，如具有多阈值的改进汉明神经网络结构等．在模糊逻辑识别器的设计中，提出了两种新的处理技术．实验表明该系统对手写字符的变形和位移等有较强的处理能力，该系统直接映射一种ＶＬＳＩ结构，易于实现单芯片集成．

Abstract

A handwritten digit recognition system oriented for VLSI implementation is proposed

in which a modified Hamming neural network is used to extract local features from patternand a fuzzy logic processor is adopted to do the recognition. Some new techniques are used to improve the feature extraction performance under the constraint of the feature set size. Another twotechniques are also proposed in fuzzy logic processor design. Experiments show that it has strongability to deal with distortion and shift variations in handwritten characters recognition.

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