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Learning to Select Pre-Trained Deep Representations with Bayesian Evidence Framework by Kim, Yong-Deok; Jang, Taewoong; Han, Bohyung; Choi, Seungjin is a scholarly article available to read on EtoBox.

What is Learning to Select Pre-Trained Deep Representations with Bayesian Evidence Framework about?

We propose a Bayesian evidence framework to facilitate transfer learning from pre-trained deep convolutional neural networks (CNNs). Our framework is formulated on top of a least squares SVM (LS-SVM) classifier, which is simple and fast in both training and testing, and achieves competitive performance in practice. The regularization parameters in LS-SVM is estimated automatically without grid search and cross-validation by maximizing evidence, which is a useful measure to select the best performing CNN out of multiple candidates for transfer learning; the evidence is optimized efficiently by employing Aitken's delta-squared process, which accelerates convergence of fixed point update. The proposed Bayesian evidence framework also provides a good solution to identify the best ensemble of heterogeneous CNNs through a greedy algorithm. Our Bayesian evidence framework for transfer learning is tested on 12 visual recognition datasets and illustrates the state-of-the-art performance consistently in terms of prediction accuracy and modeling efficiency.

Author

Kim, Yong-Deok; Jang, Taewoong; Han, Bohyung; Choi, Seungjin

Published

2015

Language

EN