Human-computer interaction system based on electro-ocular signal

Abstract

The invention relates to a human-computer interaction system based on an electro-ocular signal, which is characterized in that an electro-ocular signal acquisition and amplification module acquires the electro-ocular signal through an electro-ocular signal sensor and amplifies the signal; an online electro-ocular signal processing module realizes the online mode identification of the signal from the electro-ocular signal acquisition and amplification module to judge the eye action of an operator in real time; and a controlled unit is used to realize the coding of an eye movement mode and the generation of a controlled command. The human-computer interaction system has strong applicability, high measurement precision, high identification speed and simple and convenient operation and realizes the special human-computer interaction based on the electro-ocular signal. The human-computer interaction system can help physically-disabled realize computer manipulation, text writing, webpage browsing and other operations like normal people or wireless control on other electronic equipment (such as home appliances) and other human-computer interactions; and simultaneously, the human-computer interaction system can be also used in occasions where a computer is inconvenient to operate by normal people with hands, such as a mine, rescue operation, a spacecraft, underwater and other severe or narrow environments.

Description

technical field [0001] The invention relates to the interdisciplinary field of biomedicine and informatics, and more specifically relates to the design, realization and application of a human-computer interaction system based on electrooculogram signals. Background technique [0002] Personal computers are becoming increasingly popular in workplaces as well as in ordinary homes. Traditional computer systems use keyboard and mouse as the main input and output devices. At present, the human-computer interaction mode adopted by most computer systems is: keyboard and mouse-monitor-keyboard and mouse. Although this mode of human-computer interaction can meet the needs of most computer users, traditional input devices such as mouse and keyboard cannot be used normally for groups with severe limb disabilities and motor nervous system damage. Therefore, the research on human-computer interaction methods suitable for disabled groups and the development of related equipment have imp...

AI Technical Summary

Problems solved by technology

However, the realization of the above-mentioned human-computer interaction method requires the use of optical equipment and image processing technology, and its biggest disadvantages are: (1) the system is complex; (2) it is easily disturbed by ambient light sources; (3) some implementation methods require special The visual stimulus signal is supplied to the operator and requires a corresponding response code for monitoring

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