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Selective Transfer Classification Learning With Classification-Error-Based Consensus Regularization
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DOI：10.1109/TETCI.2019.2892762.png)
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摘要
En 中文
Transfer learning methods are conventionally conducted by utilizing abundant labeled data in the source domain to build an accurate classifier for the target domain with scarce labeled data. However, most current transfer learning methods assume that all the source data are relevant to target domain, which may induce negative learning effect when the assumption becomes invalid as in many practical scenarios. To tackle this issue, the key is to accurately and quickly select the correlated source data and the corresponding weights. In this paper, we make use of the least square-support vector machine (LS-SVM) framework for identifying the correlated data and their weights from source domain. By keeping the consistency between the distributions of the classification errors of both the source and target domains, we first propose the classification-error-based consensus regularization (CCR), which can guarantee the performance improvement of the target classifier. Based on this approach, a novel CCR-based selective transfer classification learning method (CSTL) is then developed to autonomously and quickly choose the correlated source data and their weights to exploit the transferred knowledge by solving the LS-SVM based objective function. This method minimizes the leave-one-out cross-validation error despite scarce target training data. The advantages of the CSTL are demonstrated by evaluating its performance on public image and text datasets and comparing it with that of the state-of-the-art transfer learning methods.
Keyword:
Learning systems
Support vector machines
Knowledge transfer
Data mining
Training
Feature extraction
Classification-error-based consensus regularization (CCR)
leave-one-out cross-validation
least square-support vector machine (LS-SVM)
transfer learning
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