<p>Face recognition technology has advanced significantly with deep learning, particularly through convolutional neural networks and models like VGG-Face, FaceNet, and ResNet. These systems, combined with loss functions such as ArcFace, have significantly improved human face recognition accuracy by extracting high-dimensional features. However, applying these human-centric algorithms to cat face recognition poses unique challenges due to differences in facial structure, feature distribution, and data availability. Additionally, variations in posture, fur texture, and limited distinguishing features can reduce recognition accuracy. In this study, we propose an adaptive method specifically designed for cat face recognition. We introduce an adaptive self-learning smoothing mask that enhances low-frequency signal retention and augments high-frequency features, focusing on fine-grained textures and subtle facial variations. This approach improves the model’s ability to identify key facial regions, addressing the challenges of feature overlap and data sparsity. Experimental results demonstrate that our method enhances the recognition performance of cat faces, achieving an accuracy of 92.74% on the test set, providing a more accurate and robust solution compared to traditional face recognition models. This work contributes to the development of more effective animal face recognition systems with potential applications in pet identification, behavioral monitoring, and environmental tracking. All our code and datasets are publicly available through <a href="https://github.com/qxzheng/CatFace.">https://github.com/qxzheng/CatFace.</a></p>

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Adaptive fourier-enhanced vision transformer with self-learning smoothing masks for accurate cat face recognition

  • Qingxiao Zheng,
  • Taiyong Li

摘要

Face recognition technology has advanced significantly with deep learning, particularly through convolutional neural networks and models like VGG-Face, FaceNet, and ResNet. These systems, combined with loss functions such as ArcFace, have significantly improved human face recognition accuracy by extracting high-dimensional features. However, applying these human-centric algorithms to cat face recognition poses unique challenges due to differences in facial structure, feature distribution, and data availability. Additionally, variations in posture, fur texture, and limited distinguishing features can reduce recognition accuracy. In this study, we propose an adaptive method specifically designed for cat face recognition. We introduce an adaptive self-learning smoothing mask that enhances low-frequency signal retention and augments high-frequency features, focusing on fine-grained textures and subtle facial variations. This approach improves the model’s ability to identify key facial regions, addressing the challenges of feature overlap and data sparsity. Experimental results demonstrate that our method enhances the recognition performance of cat faces, achieving an accuracy of 92.74% on the test set, providing a more accurate and robust solution compared to traditional face recognition models. This work contributes to the development of more effective animal face recognition systems with potential applications in pet identification, behavioral monitoring, and environmental tracking. All our code and datasets are publicly available through https://github.com/qxzheng/CatFace.