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Multinetwork Collaborative Feature Learning for Semisupervised Person Reidentification
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DOI：10.1109/TNNLS.2021.3061164.png)
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摘要
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Person reidentification (Re-ID) aims at matching images of the same identity captured from the disjoint camera views, which remains a very challenging problem due to the large cross-view appearance variations. In practice, the mainstream methods usually learn a discriminative feature representation using a deep neural network, which needs a large number of labeled samples in the training process. In this article, we design a simple yet effective multinetwork collaborative feature learning (MCFL) framework to alleviate the data annotation requirement for person Re-ID, which can confidently estimate the pseudolabels of unlabeled sample pairs and consistently learn the discriminative features of input images. To keep the precision of pseudolabels, we further build a novel self-paced collaborative regularizer to extensively exchange the weight information of unlabeled sample pairs between different networks. Once the pseudolabels are correctly estimated, we take the corresponding sample pairs into the training process, which is beneficial to learn more discriminative features for person Re-ID. Extensive experimental results on the Market1501, DukeMTMC, and CUHK03 data sets have shown that our method outperforms most of the state-of-the-art approaches.
Keyword:
Training
Feature extraction
Estimation
Collaboration
Collaborative work
Semisupervised learning
Neural networks
Deep neural network (DNN)
multinetwork collaborative feature learning (MCFL)
person reidentification (Re-ID)
期刊
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8.9
论文数:
7.6K
被引数:
7.2W
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