Perception method of outdoor environment for the blind

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, and in particular to a blind person's outdoor environment perception method. Background technique [0002] The lack of visual information makes it difficult for blind people to travel outdoors and learn about the environment. Perceiving information such as locations and roads in the surrounding environment is very helpful for blind people to understand the surrounding environment and travel outdoors. In order to enable the blind to live better independently and achieve accessibility of information for the blind, many assistive devices and software have emerged to assist the blind in understanding and learning the surrounding environment. [0003] Most of the existing outdoor environment perception methods for the blind place a wireless tag capable of making a sound in a certain location in the environment. For example, the blind person environment perception method based on wireless network and...

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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