CAFENet: Class-Agnostic Few-Shot Edge Detection Network

• URL: http://arxiv.org/abs/2003.08235v1
• Date: Wed, 18 Mar 2020 14:18:59 GMT
• Title: CAFENet: Class-Agnostic Few-Shot Edge Detection Network
• Authors: Young-Hyun Park, Jun Seo, Jaekyun Moon
• Abstract summary: We tackle a novel few-shot learning challenge, which we call few-shot semantic edge detection. We also present a Class-Agnostic Few-shot Edge detection Network (CAFENet) based on meta-learning strategy.
• Score: 19.01453512012934
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We tackle a novel few-shot learning challenge, which we call few-shot semantic edge detection, aiming to localize crisp boundaries of novel categories using only a few labeled samples. We also present a Class-Agnostic Few-shot Edge detection Network (CAFENet) based on meta-learning strategy. CAFENet employs a semantic segmentation module in small-scale to compensate for lack of semantic information in edge labels. The predicted segmentation mask is used to generate an attention map to highlight the target object region, and make the decoder module concentrate on that region. We also propose a new regularization method based on multi-split matching. In meta-training, the metric-learning problem with high-dimensional vectors are divided into small subproblems with low-dimensional sub-vectors. Since there is no existing dataset for few-shot semantic edge detection, we construct two new datasets, FSE-1000 and SBD-$5^i$, and evaluate the performance of the proposed CAFENet on them. Extensive simulation results confirm the performance merits of the techniques adopted in CAFENet.

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