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Image Processing Techniques for Braille Writing Recognition

机译:盲文书写识别的图像处理技术

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摘要

In this paper we present the development of BrailLector, a system able to speak from Braille writing. By means of dynamic thresholding, adaptive Braille grid, recovery dots techniques and TTS software (Text-To-Speech), BrailLector translates Braille scanned images into normal text, and not only that, it speaks the translated text. BrailLector is a robust application with innovative thersholding and Braille grid creation algorithms which detects and read Braille characters with 99.9% of correct symbols and an error variance below 0.012. The conversion time is only 26 secs for double-sided documents by MATLAB programming language.
机译:在本文中,我们介绍了BrailLector的开发,该系统能够通过盲文书写进行语音交流。通过动态阈值,自适应盲文网格,恢复点技术和TTS软件(文本到语音),BrailLector将盲文扫描的图像转换为普通文本,不仅如此,它还能说出转换后的文本。 BrailLector是一款功能强大的应用程序,具有创新的阈值处理和盲文网格创建算法,可检测和读取盲文字符,其正确符号为99.9%,且误差方差低于0.012。通过MATLAB编程语言,双面文档的转换时间仅为26秒。

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