Semi-supervised Adversarial Domain Adaptation for Seagrass Detection Using Multispectral Images in Coastal Areas

Data Science and Engineering
Kazi Aminul IslamJiang Li

Abstract

Seagrass form the basis for critically important marine ecosystems. Previously, we implemented a deep convolutional neural network (CNN) model to detect seagrass in multispectral satellite images of three coastal habitats in northern Florida. However, a deep CNN model trained at one location usually does not generalize to other locations due to data distribution shifts. In this paper, we developed a semi-supervised domain adaptation method to generalize a trained deep CNN model to other locations for seagrass detection. First, we utilized a generative adversarial network loss to align marginal data distribution between source domain and target domain using unlabeled data from both data domains. Second, we used a few labelled samples from the target domain to align class specific data distributions between the two domains, based on the contrastive semantic alignment loss. We achieved the best results in 28 out of 36 scenarios as compared to other state-of-the-art domain adaptation methods.

References

May 9, 2015·IEEE Journal of Biomedical and Health Informatics·Feng LiJiang Li
Jan 14, 2016·IEEE Transactions on Pattern Analysis and Machine Intelligence·Chao DongXiaoou Tang
Jul 6, 2017·Marine Pollution Bulletin·Dimosthenis Traganos, Peter Reinartz

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Methods Mentioned

BETA
feature extraction

Software Mentioned

ADDA
QuickBird
inceptionV3
CCSA

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