Mr. Jun Kuniyada Profile

Jun Kuniyada

at Univ of Tokushima

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Proceedings Article | 6 December 2005 Paper

Discrimination of gender using facial image with expression change

Jun Kuniyada, Takahiro Fukuda, Kenji Terada

Proceedings Volume 6051, 605112 (2005) https://doi.org/10.1117/12.648337

KEYWORDS: Nose, Mouth, Feature extraction, Eye, Head, Image processing, Eye models, Research management, RGB color model, Databases

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By carrying out marketing research, the managers of large-sized department stores or small convenience stores obtain the information such as ratio of men and women of visitors and an age group, and improve their management plan. However, these works are carried out in the manual operations, and it becomes a big burden to small stores. In this paper, the authors propose a method of men and women discrimination by extracting difference of the facial expression change from color facial images. Now, there are a lot of methods of the automatic recognition of the individual using a motion facial image or a still facial image in the field of image processing. However, it is very difficult to discriminate gender under the influence of the hairstyle and clothes, etc. Therefore, we propose the method which is not affected by personality such as size and position of facial parts by paying attention to a change of an expression. In this method, it is necessary to obtain two facial images with an expression and an expressionless. First, a region of facial surface and the regions of facial parts such as eyes, nose, and mouth are extracted in the facial image with color information of hue and saturation in HSV color system and emphasized edge information. Next, the features are extracted by calculating the rate of the change of each facial part generated by an expression change. In the last step, the values of those features are compared between the input data and the database, and the gender is discriminated. In this paper, it experimented for the laughing expression and smile expression, and good results were provided for discriminating gender.

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