Abstract
This paper presents a novel method for favorite video estimation based on multiview feature integration via kernel multiview local fisher discriminant analysis (KMvLFDA). The proposed method first extracts electroencephalogram (EEG) features from users’ EEG signals recorded while watching videos and multiple visual features from videos. Then, multiple EEG-based visual features are obtained by applying locality preserving canonical correlation analysis to EEG features and each visual feature. Next, KMvLFDA, which is newly derived in this paper, explores the complementary properties of different features and integrates the multiple EEG-based visual features. In addition, by using KMvLFDA, between-class scatter is maximized and within-class scatter is minimized in the integrated feature space. Consequently, it can be expected that the new features that are obtained by the above integration are more effective than each of the EEG-based visual features for the estimation of users’ favorite videos. The main contribution of this paper is the new derivation of KMvLFDA. Successful estimation of users’ favorite videos becomes feasible by using the new features obtained via KMvLFDA.
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