Akin-based Orthogonal Space (AOS): a subspace learning method for face recognition |
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Authors: | Singha Anu Bhowmik Mrinal Kanti Bhattacherjee Debotosh |
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Affiliation: | 1.Department of Computer Science and Engineering, Tripura University, Suryamaninagar, Agartala, India ;2.Department of Computer Science and Engineering, Jadhavpur University, Kolkata, India ; |
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Abstract: | A projection learning space is an approach to mapping a high-dimensional vector space to a lower dimensional vector space. In this paper, we proposed an algorithm, namely, AOS: Akin based Orthogonal Space. The algorithm is driven with two major targets - (i) to choose most representative image(s) from a group of face images of an individual, (ii) finally to produce a learning space which follows a Gaussian distribution to reduce the influence of grosses like non-Gaussianly distributed data noises, variations in facial expression and illumination. To improve the recognition performance, we proposed another approach i.e. fusion between AOS features and a custom VGG features. We justify the effectiveness of the proposed approaches over five benchmark face datasets using two classifiers. Experimental results show that the proposed learning algorithm has obtained maximum of 92.22% recognition rate, as well deep learning based fusion approch greatly improves the recognition accuracy. The comparative performances demonstrate that the proposed method could significantly outperform other relevant subspace learning methods. |
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