Comparison of different methods for gender estimation from face image of various poses

Yohei Ishii; Hitoshi Hongo; Yoshinori Niwa; Kazuhiko Yamamoto

doi:10.1117/12.515128

1 May 2003 Comparison of different methods for gender estimation from face image of various poses

Yohei Ishii, Hitoshi Hongo, Yoshinori Niwa, Kazuhiko Yamamoto

Proceedings Volume 5132, Sixth International Conference on Quality Control by Artificial Vision; (2003) https://doi.org/10.1117/12.515128
Event: Quality Control by Artificial Vision, 2003, Gatlinburg, TE, United States

Abstract

Recently, gender estimation from face images has been studied for frontal facial images. However, it is difficult to obtain such facial images constantly in the case of application systems for security, surveillance and marketing research. In order to build such systems, a method is required to estimate gender from the image of various facial poses. In this paper, three different classifiers are compared in appearance-based gender estimation, which use four directional features (FDF). The classifiers are linear discriminant analysis (LDA), Support Vector Machines (SVMs) and Sparse Network of Winnows (SNoW). Face images used for experiments were obtained from 35 viewpoints. The direction of viewpoints varied ±45 degrees horizontally, ±30 degrees vertically at 15 degree intervals respectively. Although LDA showed the best performance for frontal facial images, SVM with Gaussian kernel was found the best performance (86.0%) for the facial images of 35 viewpoints. It is considered that SVM with Gaussian kernel is robust to changes in viewpoint when estimating gender from these results. Furthermore, the estimation rate was quite close to the average estimation rate at 35 viewpoints respectively. It is supposed that the methods are reasonable to estimate gender within the range of experimented viewpoints by learning face images from multiple directions by one class.

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Yohei Ishii, Hitoshi Hongo, Yoshinori Niwa, and Kazuhiko Yamamoto "Comparison of different methods for gender estimation from face image of various poses", Proc. SPIE 5132, Sixth International Conference on Quality Control by Artificial Vision, (1 May 2003); https://doi.org/10.1117/12.515128

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KEYWORDS

Skin

Facial recognition systems

Image analysis

Cameras

Image segmentation

Imaging systems

Binary data

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