AcroFOD: An Adaptive Method for Cross-domain Few-shot Object Detection

• URL: http://arxiv.org/abs/2209.10904v1
• Date: Thu, 22 Sep 2022 10:23:40 GMT
• Title: AcroFOD: An Adaptive Method for Cross-domain Few-shot Object Detection
• Authors: Yipeng Gao, Lingxiao Yang, Yunmu Huang, Song Xie, Shiyong Li, Wei-shi Zheng
• Abstract summary: Cross-domain few-shot object detection aims to adapt object detectors in the target domain with a few annotated target data. The proposed method achieves state-of-the-art performance on multiple benchmarks.
• Score: 59.10314662986463
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Under the domain shift, cross-domain few-shot object detection aims to adapt object detectors in the target domain with a few annotated target data. There exists two significant challenges: (1) Highly insufficient target domain data; (2) Potential over-adaptation and misleading caused by inappropriately amplified target samples without any restriction. To address these challenges, we propose an adaptive method consisting of two parts. First, we propose an adaptive optimization strategy to select augmented data similar to target samples rather than blindly increasing the amount. Specifically, we filter the augmented candidates which significantly deviate from the target feature distribution in the very beginning. Second, to further relieve the data limitation, we propose the multi-level domain-aware data augmentation to increase the diversity and rationality of augmented data, which exploits the cross-image foreground-background mixture. Experiments show that the proposed method achieves state-of-the-art performance on multiple benchmarks.

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