【摘要】 针对视障人群的自主行走课题进行了研究,研制了基于视触觉功能替代的穿戴式触觉导盲装置。该装置通过导盲眼镜上的迷你光学摄像头采集周围环境的视觉图像信息,视觉图像经二值化处理后转换为触觉图像。借助触觉显示器,视障操作者能够在其胸前的虚拟显示平面上以主动触觉方式感知该图像,从而实现对周围环境信息的触觉感知。原理性实验表明该装置能够有效帮助视障者感知路况和识别环境目标,实现自主行走。更多还原

【Abstract】 To realize the autonomous walking for visually impaired people, a wearable blind guiding device based on the touch-vision substitution technique was proposed and developed. The device can collect environmental images by a mini optical monitor fixed on the guiding glasses, and convert the vision images into the tactile images in a binary format. The binary tactile image array can be perceived by the visually impaired operators in an active way with a tactile display on the virtual screen in front of their chest, and thus they can understand road conditions and identify the environmental objects. The experimental results show that this blind guiding device can help visually impaired users walk independently and effectively.更多还原