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Photometric Normalization Techniques for Illumination Invariance

Photometric Normalization Techniques for Illumination Invariance

Vitomir Štruc, Vitomir Štruc, Nikola Pavešic, Nikola Pavešic
Copyright: © 2011 |Pages: 22
ISBN13: 9781615209910|ISBN10: 1615209913|EISBN13: 9781615209927
DOI: 10.4018/978-1-61520-991-0.ch015
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MLA

Štruc, Vitomir, et al. "Photometric Normalization Techniques for Illumination Invariance." Advances in Face Image Analysis: Techniques and Technologies, edited by Yu-Jin Zhang, IGI Global, 2011, pp. 279-300. https://doi.org/10.4018/978-1-61520-991-0.ch015

APA

Štruc, V., Štruc, V., Pavešic, N., & Pavešic, N. (2011). Photometric Normalization Techniques for Illumination Invariance. In Y. Zhang (Ed.), Advances in Face Image Analysis: Techniques and Technologies (pp. 279-300). IGI Global. https://doi.org/10.4018/978-1-61520-991-0.ch015

Chicago

Štruc, Vitomir, et al. "Photometric Normalization Techniques for Illumination Invariance." In Advances in Face Image Analysis: Techniques and Technologies, edited by Yu-Jin Zhang, 279-300. Hershey, PA: IGI Global, 2011. https://doi.org/10.4018/978-1-61520-991-0.ch015

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Abstract

Face recognition technology has come a long way since its beginnings in the previous century. Due to its countless application possibilities, it has attracted the interest of research groups from universities and companies around the world. Thanks to this enormous research effort, the recognition rates achievable with the state-of-the-art face recognition technology are steadily growing, even though some issues still pose major challenges to the technology. Amongst these challenges, coping with illumination-induced appearance variations is one of the biggest and still not satisfactorily solved. A number of techniques have been proposed in the literature to cope with the impact of illumination ranging from simple image enhancement techniques, such as histogram equalization, to more elaborate methods, such as anisotropic smoothing or the logarithmic total variation model. This chapter presents an overview of the most popular and efficient normalization techniques that try to solve the illumination variation problem at the preprocessing level. It assesses the techniques on the YaleB and XM2VTS databases and explores their strengths and weaknesses from the theoretical and implementation point of view.

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