Add pipeline tag, link to code
Browse filesThis PR adds the `image-segmentation` pipeline tag to improve discoverability, and adds a link to the code.
README.md
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license: apache-2.0
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---
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license: apache-2.0
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pipeline_tag: image-segmentation
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---
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# CFNet: Optimizing Remote Sensing 🗺️ Change Detection 🕵 through Content-Aware Enhancement
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Official repository for the paper ["CFNet: Optimizing Remote Sensing Change Detection through Content-Aware Enhancement"](https://arxiv.org/pdf/2503.08505).
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[[🤗Datasets](https://huggingface.co/datasets/wifibk/CFNet_Datasets/tree/main)] [[🤗Checkpoints](https://huggingface.co/wifibk/CFNet/tree/main)]
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## 🐣 News
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- **[2025.3.11]** We release the code and checkpoints for CFNet 🚀
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- **[2025.3.11]** We release the [arixv paper](https://arxiv.org/pdf/2503.08505) 🚀
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## 🤔 Addressing Style Variations in Change Detection
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Change detection plays a crucial role in remote sensing, enabling the identification and analysis of temporal changes in the same geographical area. However, bi-temporal remote sensing images often exhibit significant style variations due to differences in acquisition conditions. These unpredictable variations pose a challenge to deep neural networks (DNNs), affecting their ability to accurately detect changes.
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<p align="center">
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<img src="figures/Content.png" width="90%"> <br>
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</p>
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To address the problem above, we propose **Content Focuser Network (CFNet)**. CFNet achieves state-of-the-art performance on three well-known change detection datasets: **CLCD (F1: 81.41%, IoU: 68.65%)**, **LEVIR-CD (F1: 92.18%, IoU: 85.49%)**, and **SYSU-CD (F1: 82.89%, IoU: 70.78%)**. 🚀
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<p align="center">
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<img src="figures/Architecture.png" width="90%"> <br>
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</p>
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The main contributions of our work:
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- **Content-Aware strategy**, a novel content-based constraint learning strategy that enhances the model's focus on intrinsic content features while **reducing the impact of style variations**, thereby improving the accuracy and robustness of bi-temporal change detection in remote sensing imagery.
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- **Focuser module**, a novel mechanism that dynamically reweights features to focus on both changed and unchanged areas, leveraging their **mutual constraints** to enhance parameter regularization and improve model accuracy.
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**The visualization results on the CLCD dataset** demonstrate the great performance of CFNet. For better readability, we present only the results from CLCD here. For a comprehensive view, including visualizations on all three datasets, please refer to our paper.
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<p align="center">
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<img src="figures/cl_vis.png" width="90%"> <br>
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</p>
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**To further illustrate the effectiveness of the Content-Aware strategy in extracting content features**, we visualize the largest-scale feature maps output by the Content Decoder. Since the LEVIR-CD dataset primarily focuses on building changes, the content features predominantly represent structural information related to buildings).
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<p align="center">
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<img src="figures/content_res.png" width="90%"> <br>
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</p>
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## 🏁 Get Start
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Code: https://github.com/wifiBlack/CFNet
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### Installation
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...
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