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Pose-Invariant Face Recognition Using Deformation Analysis

机译:基于变形分析的姿态不变人脸识别

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摘要

Over the last decade or so, face recognition has become a popular area of research in computer vision and one of the most successful applications of image analysis and understanding. In addition, recognition of faces under varied poses has been a challenging area of research due to the complexity of pose dispersion in feature space. This paper presents a novel and robust pose-invariant face recognition method. In this approach, first, the facial region is detected using the TSL color model. The direction of face or pose is estimated using facial features and the estimated pose vector is decomposed into X-Y-Z axes. Second, the input face is mapped by a deformable template using these vectors and the 3D CANDIDE face model. Finally, the mapped face is transformed to the frontal face which appropriates for face recognition by the estimated pose vector. Through the experiments, we come to validate the application of face detection model and the method for estimating facial poses. Moreover, the tests show that recognition rate is greatly boosted through the normalization of the poses.
机译:在过去的十年左右的时间里,人脸识别已成为计算机视觉研究的热门领域,并且是图像分析和理解的最成功应用之一。另外,由于特征空间中姿势分散的复杂性,在不同姿势下识别面部已经成为研究的挑战领域。本文提出了一种新颖且鲁棒的姿势不变的人脸识别方法。在这种方法中,首先,使用TSL颜色模型检测面部区域。使用面部特征估计面部或姿势的方向,并将估计的姿势向量分解为X-Y-Z轴。其次,使用这些向量和3D CANDIDE面部模型通过可变形模板映射输入面部。最后,将映射的脸部转换为适合于通过估计的姿势向量进行脸部识别的正面脸部。通过实验,我们验证了人脸检测模型的应用以及人脸姿态估计方法的有效性。此外,测试表明,通过姿势标准化可以大大提高识别率。

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