A blind guidance system based on ICA edge detection and MIDI music display

Tian Yanan
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Abstract

The conventional blind guidance systems have some problems such as massive mapping data, low mapping efficiency and simple sound coding. These make the blind difficult to use the system. To solve these problems, a system is presented based on ICA edge detection and MIDI music display. In this system image edges that accord with visual characteristics are mapped into MIDI music by ICA edge basis functions' reconstruction. Experimental results showed that the system has higher recognition rates for the blind's recognizing the image contents.
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基于ICA边缘检测和MIDI音乐显示的盲制导系统
传统的盲制导系统存在着测绘数据量大、测绘效率低、声音编码简单等问题。这使得盲人难以使用该系统。针对这些问题,提出了一种基于ICA边缘检测和MIDI音乐显示的系统。该系统通过ICA边缘基函数重构,将符合视觉特征的图像边缘映射到MIDI音乐中。实验结果表明,该系统对盲人图像内容的识别具有较高的识别率。
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