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AutoScale_localization

• An officical implementation of AutoScale localization-based method, you can find regression-based method from here.
• AutoScale leverages a simple yet effective Learning to Scale (L2S) module to cope with significant scale variations in both regression and localization.
  

Structure

AutoScale_localization
|-- data            # generate target
|-- model           # model path 
|-- README.md       # README
|-- centerloss.py           
|-- config.py          
|-- dataset.py       
|-- find_contours.py           
|-- fpn.py         
|-- image.py
|-- make_npydata.py
|-- rate_model.py
|-- val.py        

Visualizations

Some localization-based results.

Qualitative visualization of distance label maps given by the proposed AutoScale.

Result of detected person locations

.

Red points are the ground-truth. To more clearly present our localization results, we generate bounding boxes (green boxes) according to the KNN distance of each point, which follows and compares with LSC-CNN.

Environment

python >=3.6
pytorch >=1.0
opencv-python >=4.0
scipy >=1.4.0
h5py >=2.10
pillow >=7.0.0
imageio >=1.18

Datasets

• Download ShanghaiTech dataset from Baidu-Disk, passward:cjnx; or Google-Drive
• Download UCF-QNRF dataset from here
• Download JHU-CROWD ++ dataset from here
• Download NWPU-CROWD dataset from Baidu-Disk, passward:3awa; or Google-Drive

Generate target

cd data
Edit "distance_generate_xx.py" to change the path to your original dataset folder.
python distance_generate_xx.py

“xx” means the dataset name, including sh, jhu, qnrf, and nwpu.

Model

Download the pretrained model from Baidu-Disk, passward:wqf4; or Google-Drive

Quickly test

• git clone https://github.com/dk-liang/AutoScale.git
cd AutoScale
chmod -R 777 ./count_localminma
  

• Download Dataset and Model

• Generate target

• Generate images list

Edit "make_npydata.py" to change the path to your original dataset folder.
Run python make_npydata.py

• Test
  python val.py --test_dataset qnrf --pre ./model/QNRF/model_best.pth --gpu_id 0
python val.py --test_dataset jhu --pre ./model/JHU/model_best.pth --gpu_id 0
python val.py --test_dataset nwpu --pre ./model/NWPU/model_best.pth --gpu_id 0
python val.py --test_dataset ShanghaiA --pre ./model/ShanghaiA/model_best.pth --gpu_id 0
python val.py --test_dataset ShanghaiB --pre ./model/ShanghaiB/model_best.pth --gpu_id 0
  More config information is provided in config.py

References

If you are interested in AutoScale, please cite our work:

@article{autoscale,
  title={AutoScale: Learning to Scale for Crowd Counting},
  author={Xu, Chenfeng and Liang, Dingkang and Xu, Yongchao and Bai, Song and Zhan, Wei and Tomizuka, Masayoshi and Bai, Xiang},
  journal={Int J Comput Vis},
  year={2022}
}

and

@inproceedings{xu2019learn,
  title={Learn to Scale: Generating Multipolar Normalized Density Maps for Crowd Counting},
  author={Xu, Chenfeng and Qiu, Kai and Fu, Jianlong and Bai, Song and Xu, Yongchao and Bai, Xiang},
  booktitle={Proceedings of the IEEE International Conference on Computer Vision},
  pages={8382--8390},
  year={2019}
}