Abstract
Age estimation plays an important role in humancomputer interaction system. The lack of large number of facial images with definite age label makes age estimation algorithms inefficient. Deep label distribution learning (DLDL) which employs convolutional neural networks (CNN) and label distribution learning to learn ambiguity from ground-truth age and adjacent ages, has been proven to outperform current state-of-the-art framework. However, DLDL assumes a rough label distribution which covers all ages for any given age label. In this paper, a more practical label distribution paradigm is proposed: we limit age label distribution that only covers a reasonable number of neighboring ages. In addition, we explore different label distributions to improve the performance of the proposed learning model. We employ CNN and the improved label distribution learning to estimate age. Experimental results show that compared to the DLDL, our method is more effective for facial age recognition.
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The authors thank the financial support of the China National Natural Science Foundation (61702095), Natural Science Foundation(njpj2018209) of Nanjing Tech University Pujiang Institute, Anhui Polytechnic University Scientific Research Foundation (S031702004), Natural Science Foundation of Fujian Province (2018J01806) and Scientific Research Program of Outstanding Talents in Universities of Fujian.
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Huiying Zhang is currently a lecturer in Pujiang Institute, Nanjing Tech University, China. She received her MS degree in college of computer science and technology from Nanjing University of Aeronautics and Astronautics, China in 2010. Her research interests include facial recognition, pattern recognition.
Yu Zhang is currently an associate professor with the School of Computer Science and Engineering, Southeast University, China. He received his BS and MS degrees in telecommunications engineering from Xidian University, China in 2001 and 2004, respectively, and PhD degree from Nanyang Technological University, Singapore in 2014. His research areas include computer vision, machine learning, object recognition, video analysis, human action analysis, 3D pose estimation.
Xin Geng received the BS and MS degrees in computer science from Nanjing University, China in 2001 and 2004, respectively, and the PhD degree from Deakin University, Australia in 2008. He joined the School of Computer Science and Engineering at Southeast University, China in 2008, and is currently a professor and vice dean of the school. He has authored over 50 refereed papers, and he holds five patents in these areas. His research interests include pattern recognition, machine learning, and computer vision.
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Zhang, H., Zhang, Y. & Geng, X. Practical age estimation using deep label distribution learning. Front. Comput. Sci. 15, 153318 (2021). https://doi.org/10.1007/s11704-020-8272-4
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DOI: https://doi.org/10.1007/s11704-020-8272-4