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Multiscale local phase quantization for robust component-based face recognition using kernel fusion of multiple descriptors.

Chan, CH, Tahir, MA, Kittler, J and Pietikäinen, M (2013) Multiscale local phase quantization for robust component-based face recognition using kernel fusion of multiple descriptors. IEEE Trans Pattern Anal Mach Intell, 35 (5). pp. 1164-1177.

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Face recognition subject to uncontrolled illumination and blur is challenging. Interestingly, image degradation caused by blurring, often present in real-world imagery, has mostly been overlooked by the face recognition community. Such degradation corrupts face information and affects image alignment, which together negatively impact recognition accuracy. We propose a number of countermeasures designed to achieve system robustness to blurring. First, we propose a novel blur-robust face image descriptor based on Local Phase Quantization (LPQ) and extend it to a multiscale framework (MLPQ) to increase its effectiveness. To maximize the insensitivity to misalignment, the MLPQ descriptor is computed regionally by adopting a component-based framework. Second, the regional features are combined using kernel fusion. Third, the proposed MLPQ representation is combined with the Multiscale Local Binary Pattern (MLBP) descriptor using kernel fusion to increase insensitivity to illumination. Kernel Discriminant Analysis (KDA) of the combined features extracts discriminative information for face recognition. Last, two geometric normalizations are used to generate and combine multiple scores from different face image scales to further enhance the accuracy. The proposed approach has been comprehensively evaluated using the combined Yale and Extended Yale database B (degraded by artificially induced linear motion blur) as well as the FERET, FRGC 2.0, and LFW databases. The combined system is comparable to state-of-the-art approaches using similar system configurations. The reported work provides a new insight into the merits of various face representation and fusion methods, as well as their role in dealing with variable lighting and blur degradation.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Chan, CH
Tahir, MA
Pietikäinen, M
Date : May 2013
DOI : 10.1109/TPAMI.2012.199
Uncontrolled Keywords : Algorithms, Artificial Intelligence, Biometric Identification, Databases, Factual, Discriminant Analysis, Face, Humans, Image Processing, Computer-Assisted
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:48
Last Modified : 24 Jan 2020 22:51

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