Blindman outdoor support system based on computer vision

The invention discloses a blindman outdoor support system based on computer vision, which comprises an image acquiring unit, a voice output unit, and an image-voice converting unit respectively connected with the image acquiring unit and the voice output unit, wherein the image-voice converting unit comprises an image-voice converting hardware unit and an image-voice converting software unit; and the image-voice converting software unit comprises camera parameter calculation software, plane detection software, obstacle detection and analysis software and image information-voice conversion software. In the system, a binocular camera is utilized to acquire images, a walkable area as well as obstacles and properties of the obstacles corresponding to the physical space in an image are extracted by a software algorithm in an embedded image processor, information is fed back to the blindman through a voice interface so as to assist the blindman to better understand road scenes and make a more comprehensive judgment