期刊
REMOTE SENSING
卷 13, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/rs13081493
关键词
coastal; land cover mapping; domain adaptation; category-wise; adversarial learning; self-supervised learning
类别
资金
- National Natural Science Foundation of China [41674015]
- Scientific Research Project of Hubei Province [1232039]
This paper proposes a category-level adaptive method for coastal land cover mapping, utilizing an adversarial framework to align semantic features across image domains, effectively addressing the complex spatial details and low inter-class variances of coastal objects.
Coastal land cover mapping (CLCM) across image domains presents a fundamental and challenging segmentation task. Although adversaries-based domain adaptation methods have been proposed to address this issue, they always implement distribution alignment via a global discriminator while ignoring the data structure. Additionally, the low inter-class variances and intricate spatial details of coastal objects may entail poor presentation. Therefore, this paper proposes a category-space constrained adversarial method to execute category-level adaptive CLCM. Focusing on the underlying category information, we introduce a category-level adversarial framework to align semantic features. We summarize two diverse strategies to extract category-wise domain labels for source and target domains, where the latter is driven by self-supervised learning. Meanwhile, we generalize the lightweight adaptation module to multiple levels across a robust baseline, aiming to fine-tune the features at different spatial scales. Furthermore, the self-supervised learning approach is also leveraged as an improvement strategy to optimize the result within segmented training. We examine our method on two converse adaptation tasks and compare them with other state-of-the-art models. The overall visualization results and evaluation metrics demonstrate that the proposed method achieves excellent performance in the domain adaptation CLCM with high-resolution remotely sensed images.
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