期刊
INFORMATION SCIENCES
卷 609, 期 -, 页码 1309-1317出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2022.07.135
关键词
Age estimation; Deep features; Multi -linear whitened principal component; Tensor exponential discriminant analysis; Tensor based subspace; Deep random forests
This letter presents a method for age estimation by fusing multiple deep facial features and improving the method through tensor-based subspace learning. Experimental results demonstrate that the proposed method can compete with many state-of-the-art methods.
Recently, the estimation of facial age has attracted much attention. This letter extends and improves a recently developed method (Guehairia et al., 2020) for fusing multiple deep facial features for age estimation. This method was based on deep random forests. We pro-pose a new pipeline that integrates tensor-based subspace learning before applying DRFs. Deep face features of a training set are represented as a 3D tensor. Multi-linear Whitened Principal Component (MWPCA) and Tensor Exponential Discriminant (TEDA) are used to extract the most discriminative information. The tensor subspace features are then fed into DRFs to predict age. Experiments conducted on five public face databases show that our method can compete with many state-of-the-art methods.(c) 2022 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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