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High-Resolution Cloud Detection Network

High-Resolution Cloud Detection Network

Introduction

Official Repo

Code Snippet

Abstract

The complexity of clouds, particularly in terms of texture detail at high resolutions, has not been well explored by most existing cloud detection networks. This paper introduces the High-Resolution Cloud Detection Network (HR-cloudNet), which utilizes a hierarchical high-resolution integration approach. HR-cloud-Net integrates a high-resolution representation module, layer-wise cascaded feature fusion module, and multi-resolution pyramid pooling module to effectively capture complex cloud features. This architecture preserves detailed cloud texture information while facilitating feature exchange across different resolutions, thereby enhancing overall performance in cloud detection. Additionally, a novel approach is introduced wherein a student view, trained on noisy augmented images, is supervised by a teacher view processing normal images. This setup enables the student to learn from cleaner supervisions provided by the teacher, leading to improved performance. Extensive evaluations on three optical satellite image cloud detection datasets validate the superior performance of HR-cloud-Net compared to existing methods.

Results and models

CHLandSat-8 dataset

method mae weight-F-measure structure-measure
U-Net 0.1130 0.7448 0.7228
PSPNet 0.0969 0.7989 0.7672
SegNet 0.1023 0.7780 0.7540
Cloud-Net 0.1012 0.7641 0.7368
CDNet 0.1286 0.7222 0.7087
CDNet-v2 0.1254 0.7350 0.7141
HRNet 0.0737 0.8279 0.8141
GANet 0.0751 0.8396 0.8106
HR-cloud-Net 0.0628 0.8503 0.8337

38-cloud dataset

method mae weight-F-measure structure-measure
U-Net 0.0638 0.7966 0.7845
PSPNet 0.0653 0.7592 0.7766
SegNet 0.0556 0.8002 0.8059
Cloud-Net 0.0556 0.7615 0.7987
CDNet 0.1057 0.7378 0.7270
CDNet-v2 0.1084 0.7183 0.7213
HRNet 0.0538 0.8086 0.8183
GANet 0.0410 0.8159 0.8342
HR-cloud-Net 0.0395 0.8673 0.8479

SPARCS dataset

method mae weight-F-measure structure-measure
U-Net 0.1314 0.3651 0.5416
PSPNet 0.1263 0.3758 0.5414
SegNet 0.1100 0.4697 0.5918
Cloud-Net 0.1213 0.3804 0.5536
CDNet 0.1157 0.4585 0.5919
CDNet-v2 0.1219 0.4247 0.5704
HRNet 0.1008 0.3742 0.5777
GANet 0.0987 0.5134 0.6210
HR-cloud-Net 0.0833 0.5202 0.6327

Citation

@InProceedings{LiJEI2024,
  author =    {Jingsheng Li and Tianxiang Xue and Jiayi Zhao and 
               Jingmin Ge and Yufang Min and Wei Su and Kun Zhan},
  title =     {High-Resolution Cloud Detection Network},
  booktitle = {Journal of Electronic Imaging},
  year =      {2024},
}