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An optical data transmission system for blind persons by means of a mobile phone with the Android operating system

机译:通过具有Android操作系统的手机为盲人提供的光学数据传输系统

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The paper describes an optical data transmission system supporting blind and partially sighted persons in an indoor navigation, mainly in identification of offices in public buildings. Two-dimensional data matrix barcodes (ISO/IEC 16022) are sequentially displayed on a small LED matrix mounted on a wall in a close proximity to all potential points of interest. The user must be equipped with an Android mobile device with a pre-installed software, which locates and processes barcode sequences recorded by a camera. Sequences are decoded as plain text English messages and read by an additional text-to-speech software installed on the mobile device. To evaluate its performance, the system was implemented and tested at the Lodz University of Technology.
机译:该论文描述了一种光学数据传输系统,该系统在室内导航中主要为公共建筑物中的办公室的识别提供支持,该盲人和弱视者可以在室内导航。二维数据矩阵条形码(ISO / IEC 16022)顺序显示在一个小的LED矩阵上,该矩阵安装在紧邻所有潜在关注点的墙上。用户必须配备具有预装软件的Android移动设备,该设备可以定位和处理由相机记录的条形码序列。序列被解码为纯文本英文消息,并由安装在移动设备上的附加文本转语音软件读取。为了评估其性能,该系统已在罗兹理工大学实施并测试。

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