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Recognizing Cursive Typewritten Text Using Segmentation-Free System

机译:使用可自由分割系统识别法学型打字文本

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Feature extraction plays an important role in text recognition as it aims to capture essential characteristics of the text image. Feature extraction algorithms widely range between robust and hard to extract features and noise sensitive and easy to extract features. Among those feature types are statistical features which are derived from the statistical distribution of the image pixels. This paper presents a novel method for feature extraction where simple statistical features are extracted from a one-pixel wide window that slides across the text line. The feature set is clustered in the feature space using vector quantization. The feature vector sequence is then injected to a classification engine for training and recognition purposes. The recognition system is applied to a data corpus which includes cursive Arabic text of more than 600 A4-size sheets typewritten in multiple computer-generated fonts. The system performance is compared to a previously published system from the literature with a similar engine but a different feature set.
机译:特征提取在文本识别中起着重要作用,因为它旨在捕获文本图像的基本特征。特征提取算法广泛的氛围之间的范围广泛,以提取特征和噪声敏感且易于提取的特征。这些特征类型是统计特征,其源自图像像素的统计分布。本文介绍了一种新的特征提取方法,其中从横跨文本线上滑动的一个像素宽窗口提取简单的统计特征。使用矢量量化在要素空间中群集功能集。然后将特征向量序列注入分类引擎以进行训练和识别目的。识别系统应用于数据语料库,包括在多个计算机生成的字体中打字的600个A4尺寸的纸张中的卷积阿拉伯文。将系统性能与先前发布的系统进行比较,从文献中具有类似的发动机,而是不同的特征集。

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