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An approach of context ontology for robust face recognition against illumination variations

机译:一种针对照明变化进行鲁棒人脸识别的上下文本体方法

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摘要

This paper proposes a face recognition method that is robust against image variations due to arbitrary lighting condition. Though many researches have been carried out on face recognition system, however; there exist some limitations such as illumination, pose, alignment, occlusion, etc. This paper presents a context ontology model making a robust face recognition system on different illumination situations. Our proposed system works on two phases: environmental context ontology building (modelling) and recognition using context ontology. Context ontology is built using data acquisition, context learning and context categorization. The recognition approach is implemented on illumination variant face recognition that takes identified context as input and performs recognition with usual process such as pre-processing, feature extraction, learning, and recognition. We have tested the recognition performance of our proposed model with an international standard FERET face database (our produced synthesized FERET images) and we have achieved a success rate of more than 92%.
机译:本文提出了一种人脸识别方法,该方法可抵抗任意光照条件下的图像变化。尽管在人脸识别系统上已经进行了许多研究,但是,人脸识别系统的发展还不成熟。存在一些限制,例如照明,姿势,对齐,遮挡等。本文提出了一种上下文本体模型,可以在不同的照明情况下构建鲁棒的人脸识别系统。我们提出的系统分两个阶段工作:环境上下文本体的建立(建模)和使用上下文本体的识别。使用数据采集,上下文学习和上下文分类来构建上下文本体。识别方法是在照明变型人脸识别上实现的,该照明将识别的上下文作为输入并通过常规过程(例如预处理,特征提取,学习和识别)执行识别。我们已经使用国际标准的FERET人脸数据库(我们生成的合成FERET图像)测试了我们提出的模型的识别性能,并且成功率超过92%。

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