In some special circumstances, such as for the higher confidentiality departments, the existing identification tools are not suitable, so they need to find new identification tools.

The existing identification can easily forget (passwords) and easily be forged (fingerprints, faces), and the cost is too expensive (genetic testing). With the development of technology, the tools used for identity recognition are also gradually developing. In order to protect their own property, people began to research on identity early on, from early passwords to later fingerprints, faces, genes, etc. When the resolution is 72, the classification effect is the optimal. The results show that when the number of electrodes is increased to 9, the effect of increasing the electrode to improve the classification accuracy is not significant the recognition effect of black-and-white photos is lower than that of color, the size of the picture is 800 × 600 or 1024 × 768. The main purpose of this paper is to study the effect of these disturbances on the recognition effect. Object interference, such as photo size, resolution, and color. Therefore, many researchers use the photos of the subjects themselves as stimuli to achieve identification research, but the EEG signals caused by vision are easily stimulated.

In the study of EEG signals, the EEG signals triggered by vision have the advantage of stable characteristics. As a new biological signal, EEG signal has the advantage of being difficult to forge and easy to carry and has become a hot topic in the identification research. With the increasing demand for confidentiality of information, traditional identification tools are no longer sufficient.

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