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An SVM-based Face Verification System Using Multiple Feature Combination and Similarity Space  

김도형 (한국전자통신연구원 인간로봇상호작용연구팀)
윤호섭 (한국전자통신연구원 인간로봇상호작용연구)
이재연 (한국전자통신연구원 인간로봇상호작용연구팀)
Abstract
This paper proposes the method of implementation of practical online face verification system based on multiple feature combination and a similarity space. The main issue in face verification is to deal with the variability in appearance. It seems difficult to solve this issue by using a single feature. Therefore, combination of mutually complementary features is necessary to cope with various changes in appearance. From this point of view, we describe the feature extraction approaches based on multiple principal component analysis and edge distribution. These features are projected on a new intra-person/extra-person similarity space that consists of several simple similarity measures, and are finally evaluated by a support vector machine. From the experiments on a realistic and large database, an equal error rate of 0.029 is achieved, which is a sufficiently practical level for many real- world applications.
Keywords
Multiple Principal Component Analysis; edge distribution; similarity space; Support Vector Machine;
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