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Multiresolution recognition of offline handwritten Chinese characters with wavelet transform

机译:小波变换对离线手写汉字的多分辨率识别

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The authors propose a novel multiresolution recognition scheme for handwritten Chinese character recognition in which an input pattern is recognized by adopting the coefficients of the wavelet transforms. It is known that wavelet representation provides a coarse-to-fine strategy. The recognition starts from the coarse scale and moves to the finer scales. After preprocessing, the wavelet transform is applied to the kanji image. Then, we make use of the coefficients with the lowest resolution to select 50 candidates from 3755 categories. In order to enhance the statistical feature of a character, we used statistical methods to reconstruct features in fine classification. With the proposed recognition system, experiments are performed on the 863 Testing System. The correct rate reaches 80.56%, which is a promising result.
机译:作者提出了一种用于手写汉字识别的新型多分辨率识别方案,其中通过采用小波变换的系数来识别输入模式。众所周知,小波表示提供了一种粗略的策略。该识别从粗略级别开始,移动到更精细的尺度。在预处理之后,将小波变换应用于Kanji图像。然后,我们利用具有最低分辨率的系数来选择3755类的50个候选。为了增强角色的统计特征,我们使用统计方法来重建精细分类中的特征。利用所提出的识别系统,实验是在863检测系统上进行的。正确的速率达到80.56%,这是一个有希望的结果。

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