Method for blind persons to sense outdoor environment

Abstract

The invention discloses a method for blind persons to sense an outdoor environment. The method is operated by using intelligent equipment and comprises the following steps of initializing an interface; performing corresponding operations according to operation command types; collecting information of surrounding places if the operation command type is scanning; sequentially broadcasting the information of the places in a voice manner; receiving an objective place type from a user if the operation command type is searching; acquiring a place list which meets requirements of the objective place type in a set range; broadcasting place information corresponding to a place in a voice manner according to the place selected by the user from the objective place type; and collecting positioning information and broadcasting the positioning information in a voice manner if the operation command type is positioning. The method is based on the portable intelligent equipment, extra equipment is not required except for earphones, and the implementation cost is low; and the method is easily popularized to the blind persons and visually impaired people.

Description

technical field [0001] The invention relates to the field of human-computer interaction, in particular to a method for blind outdoor environment perception. Background technique [0002] The lack of visual information has caused great difficulties for blind people to travel outdoors and learn about the environment. Perceiving information such as locations and roads in the surrounding environment is of great help to blind people in understanding the surrounding environment and outdoor travel. In order to enable the blind to live independently and achieve information accessibility for the blind, there are currently many blind assisting devices and software to assist the blind to understand and learn the surrounding environment. [0003] Most of the existing outdoor environmental perception methods for the blind place a wireless tag that can emit sound at a certain position in the environment. The handheld device obtains the information of the location. This method requires h...

AI Technical Summary

Problems solved by technology

However, most of the existing methods can only achieve a single function, such as road and intersection perception, and cannot help blind people fully understand the information in the surrounding environment, and the human-computer interaction design of such systems generally fails to make full use of the input integrated in portable computing devices Devices such as multi-touch devices, accelerometers, etc.

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