Semantic facial scores and compact deep transferred descriptors for scalable face image retrieval


Banaeeyan, Rasoul and Lye Abdullah, Mohd Haris and Ahmad Fauzi, Mohammad Faizal and Abdul Karim, Hezerul and See, John Su Yang (2018) Semantic facial scores and compact deep transferred descriptors for scalable face image retrieval. Neurocomputing, 308. pp. 111-128. ISSN 0925-2312

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Face retrieval systems intend to locate index of identical faces to a given query face. The performance of these systems heavily relies on the careful analysis of different facial attributes (gender, race, etc.) since these attributes can tolerate some degrees of geometrical distortion, expressions, and occlusions. However, solely employing facial scores fail to add scalability. Besides, owing to the discriminative power of CNN (convolutional neural network) features, recent works have employed a complete set of deep transferred CNN features with a large dimensionality to obtain enhancement; yet these systems require high computational power and are very resource-demanding. This study aims to exploit the distinctive capability of semantic facial attributes while their retrieval results are refined by a proposed subset feature selection to reduce the dimensionality of the deep transferred descriptors. The constructed compact deeply transferred descriptors (CDTD) not only have a largely reduced dimension but also more discriminative power. Lastly, we have proposed a new performance metric which is tailored for the case of face retrieval called ImAP (Individual Mean Average Precision) and is used to evaluate retrieval results. Multiple experiments on two scalable face datasets demonstrated the superior performance of the proposed CDTD model outperforming state-of-the-art face retrieval results.

Item Type: Article
Uncontrolled Keywords: Semantic integration (Computer systems), Scalable face retrieval, Facial attribute classification, Deep transferred CNN feature, Compact deep transferred descriptor
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Faculty of Computing and Informatics (FCI)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 23 Nov 2020 18:33
Last Modified: 23 Nov 2020 18:33


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