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• Zilun Zhang, Tiancheng Zhao, Yulong Guo, Jianwei Yin

• [2024.07.24] Accepted By TGRS 2024:Link

• [2023.12.03] Preprint:https://arxiv.org/abs/2306.11300

• RS5M Data

  • https://huggingface.co/datasets/omlab/RS5M (Dataset in Webdataset format)
  • https://huggingface.co/datasets/Zilun/RS5M (Label Only)

• CLIP-like Model for Remote Sensing:https://huggingface.co/Zilun/GeoRSCLIP

• Stable Diffusion Model for Remote Sensing:https://huggingface.co/Zilun/GeoRSSD

• Post:Link

Pre-trained Vision-Language Models (VLMs) utilizing extensive image-text paired data have demonstrated unprecedented image-text association capabilities, achieving remarkable results across various downstream tasks. A critical challenge is how to make use of existing large-scale pre-trained VLMs, which are trained on common objects, to perform the domain-specific transfer for accomplishing domain-related downstream tasks. In this paper, we propose a new framework that includes the Domain pre-trained Vision-Language Model (DVLM), bridging the gap between the General Vision-Language Model (GVLM) and domain-specific downstream tasks. Moreover, we present an image-text paired dataset in the field of remote sensing (RS), RS5M, which has 5 million RS images with English descriptions. The dataset is obtained from filtering publicly available image-text paired datasets and captioning label-only RS datasets with pre-trained VLM. These constitute the first large-scale RS image-text paired dataset. Additionally, we fine-tuned the CLIP model and tried several Parameter-Efficient Fine-Tuning methods on RS5M to implement the DVLM. Experimental results show that our proposed dataset is highly effective for various tasks, and our model GeoRSCLIP improves upon the baseline or previous state-of-the-art model by 3% ～ 20% in Zero-shot Classification (ZSC) tasks, 3% ～ 6% in Remote Sensing Cross-Modal Text–Image Retrieval (RSCTIR) and 4% ～ 5% in Semantic Localization (SeLo) tasks.

• Install Pytorch following instructions from the official website (We tested in torch 2.0.1 with CUDA 11.8 and 2.1.0 with CUDA 12.1)

  pip install torch==2.0.1 torchvision==0.15.2 torchaudio==2.0.2 --index-url https://download.pytorch.org/whl/cu118

• Install other dependencies

  pip install pillow pandas scikit-learn ftfy tqdm matplotlib transformers adapter-transformers open_clip_torch pycocotools timm clip-benchmark torch-rs

• Clone the repo from:https://huggingface.co/Zilun/GeoRSCLIP

git clone https://huggingface.co/Zilun/GeoRSCLIPcd GeoRSCLIP

• Unzip the test data

unzip data/rs5m_test_data.zip

• Run the inference script:

  python codebase/inference.py --ckpt-path /your/local/path/to/RS5M_ViT-B-32.pt --test-dataset-dir /your/local/path/to/rs5m_test_data

• (Optional) If you just want to load the GeoRSCLIP model:

importopen_clipimporttorchfrominference_toolimportget_preprocessckpt_path="/your/local/path/to/RS5M_ViT-B-32.pt"model,_,_=open_clip.create_model_and_transforms("ViT-B/32",pretrained="openai")checkpoint=torch.load(ckpt_path,map_location="cpu")msg=model.load_state_dict(checkpoint,strict=False)model=model.to("cuda")img_preprocess=get_preprocess(image_resolution=224,  )

importopen_clipimporttorchfrominference_toolimportget_preprocessckpt_path="/your/local/path/to/RS5M_ViT-H-14.pt"model,_,_=open_clip.create_model_and_transforms("ViT-H/14",pretrained="laion2b_s32b_b79k")checkpoint=torch.load(ckpt_path,map_location="cpu")msg=model.load_state_dict(checkpoint,strict=False)model=model.to("cuda")img_preprocess=get_preprocess(image_resolution=224,  )

• All tasks

  	EuroSAT_acc	RESISC45_acc	AID_acc	retrieval-image2text-R@1-rsitmd	retrieval-image2text-R@5-rsitmd	retrieval-image2text-R@10-rsitmd	retrieval-text2image-R@1-rsitmd	retrieval-text2image-R@5-rsitmd	retrieval-text2image-R@10-rsitmd	retrieval-mean-recall-rsitmd	retrieval-image2text-R@1-rsicd	retrieval-image2text-R@5-rsicd	retrieval-image2text-R@10-rsicd	retrieval-text2image-R@1-rsicd	retrieval-text2image-R@5-rsicd	retrieval-text2image-R@10-rsicd	retrieval-mean-recall-rsicd	Selo_Rsu	Selo_Rda	Selo_Ras	Selo_Rmi
  GeoRSCLIP-ViTB32	61.40	72.74	74.42	17.92	34.96	46.02	14.12	41.46	57.52	35.33	12.17	28.45	38.61	9.31	26.51	41.28	26.06	0.755636	0.730925	0.258044	0.744670
  GeoRSCLIP-ViTH14	67.47	73.83	76.33	23.45	42.92	53.32	18.01	44.60	59.96	40.38	14.27	29.55	40.44	11.38	30.80	44.41	28.48	0.759515	0.741806	0.256649	0.749430

• RSCTIR Task

  • RSICD Test set

    Method	Paradigm	Tuned on	R@1 (I2T)	R@5 (I2T)	R@10 (I2T)	R@1 (T2I)	R@5 (T2I)	R@10 (T2I)	mR
    LW-MCR	Supervised	RSICD	3.29%	12.52%	19.93%	4.66%	17.51%	30.02%	14.66%
    VSE++	Supervised	RSICD	3.38%	9.51%	17.46%	2.82%	11.32%	18.10%	10.43%
    AFMFN	Supervised	RSICD	5.39%	15.08%	23.40%	4.90%	18.28%	31.44%	16.42%
    KCR	Supervised	RSICD	5.84%	22.31%	36.12%	4.76%	18.59%	27.20%	19.14%
    GaLR	Supervised	RSICD	6.59%	19.85%	31.04%	4.69%	19.48%	32.13%	18.96%
    SWAN	Supervised	RSICD	7.41%	20.13%	30.86%	5.56%	22.26%	37.41%	20.61%
    HVSA	Supervised	RSICD	7.47%	20.62%	32.11%	5.51%	21.13%	34.13%	20.16%
    PIR	Supervised	RSICD	9.88%	27.26%	39.16%	6.97%	24.56%	38.92%	24.46%
    FAAMI	Supervised	RSICD	10.44%	22.66%	30.89%	8.11%	25.59%	41.37%	23.18%
    Multilanguage	Supervised	RSICD	10.70%	29.64%	41.53%	9.14%	28.96%	44.59%	27.42%
    PE-RSITR	GVLM + FT	RSICD	14.13%	31.51%	44.78%	11.63%	33.92%	50.73%	31.12%
    MTGFE	Supervised	RSICD	15.28%	37.05%	51.60%	8.67%	27.56%	43.92%	30.68%
    RemoteCLIP	GVLM + FT	RET-3 + DET-10 + SEG-4	17.02%	37.97%	51.51%	13.71%	37.11%	54.25%	35.26%
    CLIP-Baseline	GVLM	-	5.31%	14.18%	23.70%	5.78%	17.73%	27.76%	15.74%
    GeoRSCLIP-FT	GVLM + FT	RS5M + RSICD	22.14%	40.53%	51.78%	15.26%	40.46%	57.79%	38.00%
    GeoRSCLIP-FT	GVLM + FT	RS5M + RET-2	21.13%	41.72%	55.63%	15.59%	41.19%	57.99%	38.87%

  • RSITMD test set

    Method	Paradigm	Tuned on	R@1 (I2T)	R@5 (I2T)	R@10 (I2T)	R@1 (T2I)	R@5 (T2I)	R@10 (T2I)	mR
    LW-MCR	Supervised	RSITMD	10.18%	28.98%	39.82%	7.79%	30.18%	49.78%	27.79%
    VSE++	Supervised	RSITMD	10.38%	27.65%	39.60%	7.79%	24.87%	38.67%	24.83%
    AFMFN	Supervised	RSITMD	11.06%	29.20%	38.72%	9.96%	34.03%	52.96%	29.32%
    HVSA	Supervised	RSITMD	13.20%	32.08%	45.58%	11.43%	39.20%	57.45%	33.15%
    SWAN	Supervised	RSITMD	13.35%	32.15%	46.90%	11.24%	40.40%	60.60%	34.11%
    GaLR	Supervised	RSITMD	14.82%	31.64%	42.48%	11.15%	36.68%	51.68%	31.41%
    FAAMI	Supervised	RSITMD	16.15%	35.62%	48.89%	12.96%	42.39%	59.96%	35.99%
    MTGFE	Supervised	RSITMD	17.92%	40.93%	53.32%	16.59%	48.50%	67.43%	40.78%
    PIR	Supervised	RSITMD	18.14%	41.15%	52.88%	12.17%	41.68%	63.41%	38.24%
    Multilanguage	Supervised	RSITMD	19.69%	40.26%	54.42%	17.61%	49.73%	66.59%	41.38%
    PE-RSITR	GVLM + FT	RSITMD	23.67%	44.07%	60.36%	20.10%	50.63%	67.97%	44.47%
    RemoteCLIP	GVLM + FT	RET-3 + DET-10 + SEG-4	27.88%	50.66%	65.71%	22.17%	56.46%	73.41%	49.38%
    CLIP-Baseline	GVLM	-	9.51%	23.01%	32.74%	8.81%	27.88%	43.19%	24.19%
    GeoRSCLIP-FT	GVLM + FT	RS5M + RSITMD	30.09%	51.55%	63.27%	23.54%	57.52%	74.60%	50.10%
    GeoRSCLIP-FT	GVLM + FT	RS5M + RET-2	32.30%	53.32%	67.92%	25.04%	57.88%	74.38%	51.81%

• The GeoRSSD models that were tuned with 1% and 20% data of RS5M has been released:
  • https://huggingface.co/Zilun/GeoRSSD

• HuggingFace:

  • https://huggingface.co/datasets/omlab/RS5M

• Baidu Disk

  • https://pan.baidu.com/s/1AcZcoY5VwdhZOhF_o8o0Fg?pwd=41y2
  • Password: 41y2

• The BigEarthNet with RGB channels only (with corresponding filenames in our csv files)

  • https://pan.baidu.com/s/1aCqRmnCeow18ry__R_oZow?pwd=6ya9
  • Password: 6ya9

• Baidu Disk
  • https://pan.baidu.com/s/1NT8qxJJhWjxSlrXq5UqVPg?pwd=mcqc
  • Password: mcqc

• The metafile and other useful files of RS5M can be found here:https://huggingface.co/datasets/Zilun/RS5M/
• See README.md in huggingface for a breakdown explanation of each file.

• We create the webdataset format files containing paired image and text for sequential data io. DoNOT untar the files.

1. Download the webdataset files from the link provided above. The dataset directory should look like this:

       /nas/zilun/RS5M_v5/webdataset                                                           ├── train                                ├── pub11-train-0000.tar                                                                 ├── pub11-train-0001.tar        ├── ......        ├── pub11-train-0030.tar                                                 ├── pub11-train-0031.tar        ├── rs3-train-0000.tar                                                      ├── rs3-train-0001.tar        ├── ......        ├── rs3-train-0030.tar                                                      ├── rs3-train-0031.tar    ├── val                                ├── pub11-val-0000.tar                                                                 ├── pub11-val-0001.tar        ├── ......        ├── pub11-val-0030.tar                                                 ├── pub11-val-0031.tar        ├── rs3-val-0000.tar                                                      ├── rs3-val-0001.tar        ├── ......        ├── rs3-val-0030.tar                                                      ├── rs3-val-0031.tar

2. An example of data IO pipeline using webdataset files is provided in "dataloader.py". The throughput (images per second) is ~1800 images per second. (With Ryzen 3950x CPU and dual-channel 3200MHZ DDR4 RAM)
3. Run the following to have a taste:

   python dataloader.py --train_dir /media/zilun/mx500/RS5M/data/train --val_dir /media/zilun/mx500/RS5M/data/val --num_worker 16 --batch_size 400 --num_shuffle 10000

• We also provide the pure image files, which could be used with the metafiles from huggingface. Due to the huge amount of the image data, an SSD drive is recommended.

1. Download the files from theBaidu disk link provided. The dataset directory should look like this:

       /nas/zilun/RS5M_v5/img_only                                                          ├── pub11                                ├── pub11.tar.gz_aa                                                               ├── pub11.tar.gz_ab        ├── ......        ├── pub11.tar.gz_ba                                                      ├── pub11.tar.gz_bc    ├── rs3                                ├── ben            ├── ben.tar.gz_aa                                               ├── fmow            ├── fmow.tar.gz_aa            ├── fmow.tar.gz_ab            ├── ......            ├── fmow.tar.gz_ap            ├── fmow.tar.gz_aq        ├── millionaid            ├── millionaid.tar.gz_aa            ├── millionaid.tar.gz_ab            ├── ......            ├── millionaid.tar.gz_ap            ├── millionaid.tar.gz_aq

2. Combine and untar the files. You will have the images files now.

    # optional, for split and zip the dataset tar -I pigz -cvf - pub11 | split --bytes=500MB - pub11.tar.gz_ # combine different parts into one cat pub11.tar.gz_* > pub11.tar # extract pigz -dc pub11.tar | tar -xvf - -C /data/zilun/RS5M_v5/img_only/

• Statistics of geometa for images contain the UTM zone, latitude, and longitude information.

  • YFCC14M: 7841
  • FMoW: 727,144
  • BigEarthNet: 344,385

  

• Extract entity with "GPE" label usingNER from NLTK

  • Applied to captions in PUB11 subset
  • Extraction Result
  • 880,354 image-text pairs contain "GPE", and most of them are city/country names.

• Tuned with LoRA
• Checkpoint and inference code can be found through thislink

• Link

• https://github.com/om-ai-lab/awesome-RSVLM

Email:zilun.zhang@zju.edu.cn

WeChat: zilun960822

Slack Group:https://join.slack.com/t/visionlanguag-fks1990/shared_invite/zt-290vxhx5y-SUkCzf2aH3G9eu3lye2YvQ

We thank Delong Chen and his ITRA framework for helping us fine-tune the CLIP-like models.https://itra.readthedocs.io/en/latest/Contents/introduction/overview.html

If you use RS5M or GeoRSCLIP in a research paper, we would appreciate using the following citations:

@ARTICLE{10679571,  author={Zhang, Zilun and Zhao, Tiancheng and Guo, Yulong and Yin, Jianwei},  journal={IEEE Transactions on Geoscience and Remote Sensing},   title={RS5M and GeoRSCLIP: A Large Scale Vision-Language Dataset and A Large Vision-Language Model for Remote Sensing},   year={2024},  volume={},  number={},  pages={1-1},  keywords={Remote sensing;Data models;Visualization;Semantics;Tuning;Location awareness;Computational modeling;Image-text Paired Dataset;Remote Sensing;Vision-Language Model;Parameter Efficient Tuning;General Vision-Language Model;Domain Vision-Language Model;Remote Sensing Cross-Modal Text–Image Retrieval;Zero-shot Classification;Semantic Localization},  doi={10.1109/TGRS.2024.3449154}}

Some other citations:

@article{Long2021DiRS,  title={On Creating Benchmark Dataset for Aerial Image Interpretation: Reviews, Guidances and Million-AID},  author={Yang Long and Gui-Song Xia and Shengyang Li and Wen Yang and Michael Ying Yang and Xiao Xiang Zhu and Liangpei Zhang and Deren Li},  journal={IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing},  year={2021},  volume={14},  pages={4205-4230}}@inproceedings{Sumbul_2019,  title={Bigearthnet: A Large-Scale Benchmark Archive for Remote Sensing Image Understanding},  url={http://dx.doi.org/10.1109/IGARSS.2019.8900532},  DOI={10.1109/igarss.2019.8900532},  booktitle={IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium},  publisher={IEEE},  author={Sumbul, Gencer and Charfuelan, Marcela and Demir, Begum and Markl, Volker},  year={2019},  month=jul}@inproceedings{fmow2018,  title={Functional Map of the World},  author={Christie, Gordon and Fendley, Neil and Wilson, James and Mukherjee, Ryan},  booktitle={CVPR},  year={2018}}