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PTGAN

Vehicle View Synthesis by Generative Adversarial Network, International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2023 (Accepted).

Introduction

We add GAN into this ReID model (AICITY2021_Track2_DMT),and our model is vehicle pose transform by generative adversarial network for ReID. AICITY2021_Track2_DMT is the 1st place solution of track2 (Vehicle Re-Identification) in the NVIDIA AI City Challenge at CVPR 2021 Workshop.

ReID Model Backbone AICITY2021_Track2_DMT: Detailed information of NVIDIA AI City Challenge 2021 can be found here.

The code is modified from AICITY2020_DMT_VehicleReID, TransReID, reid_strong baseline,and AICITY2021_Track2_DMT.

News

2023/05/05 - We released detailed information of Vehicle View Synthesis by Generative Adversarial Network can be found paper and poster.

2023/03/01 - Our lab CCUMVL released CCUMVL-Vehicle-ReID DATASET (Please click here to the new webpage.)

2023/02/17 - PTGAN: Vehicle View Synthesis by Generative Adversarial Network was accepted by ICASSP 2023.

Get Started

  1. cd to folder where you want to download this repo

  2. Run git clone

  3. Install dependencies: pip install requirements.txt

    We use cuda 11.0/python 3.7/torch 1.6.0/torchvision 0.7.0 for training and testing.

  4. Prepare Datasets Download Original dataset, Cropped_dataset, SPGAN_dataset, Veri-776,and veri_pose.

    The name of veri_pose folder is xxx_y_z (ex:000_0_3).

    • xxx: identity
    • y: color
    • z: type

    and the numbers of 1~8 are the pose of vehicles.

├── AIC21/
│   ├── AIC21_Track2_ReID/
│   	├── image_train/
│   	├── image_test/
│   	├── image_query/
│   	├── train_label.xml
│   	├── ...
│   	├── training_part_seg/
│   	    ├── cropped_patch/
│   	├── cropped_aic_test
│   	    ├── image_test/
│   	    ├── image_query/		
│   ├── AIC21_Track2_ReID_Simulation/
│   	├── sys_image_train/
│   	├── sys_image_train_tr/
│   ├── veri_pose/
│   	├── train/
│   	    ├── 000_0_3/
│   	    	├── 0/
│   	    	├── 3/
│   	    	├── 4/
│   	    	├── ...
│   	    ├── ...
│   	├── query/
│   	    ├── 0002_c002_00030600_0.jpg
│   	    ├── ...
│   	├── test/
│   	    ├── 000_0_3/
│   	    	├── 1/
│   	    	├── 3/
│   	    	├── 4/
│   	    	├── ...
│   	    ├── ...
│   	├── train_label.xml
│   	├── query_label.xml
│   	├── test_label.xml
│   	├── ...
  1. Put pre-trained models into ./pretrained/
    • resnet101_ibn_a-59ea0ac6.pth, densenet169_ibn_a-9f32c161.pth, resnext101_ibn_a-6ace051d.pth and se_resnet101_ibn_a-fabed4e2.pth can be downloaded from IBN-Net
    • resnest101-22405ba7.pth can be downloaded from ResNest
    • jx_vit_base_p16_224-80ecf9dd.pth can be downloaded from here

GAN Model Training

We utilize 1 GPU 1080ti(11GB) for training.

  1. cd to folder where you want to download this repo.

  2. Run git clone , we use the code to train GAN models.

  3. Prepare Datasets Download Original dataset, Veri-776,and veri_pose.

├── veri_pose/
│   	├── train/
│   	    ├── 000_0_3/
│   	    	├── 0/
│   	    	├── 3/
│   	    	├── 4/
│   	    	├── ...
│   	    ├── ...
│   	├── query/
│   	    ├── 0002_c002_00030600_0.jpg
│   	    ├── ...
│   	├── test/
│   	    ├── 000_0_3/
│   	    	├── 1/
│   	    	├── 3/
│   	    	├── 4/
│   	    	├── ...
│   	    ├── ...
│   	├── train_label.xml
│   	├── query_label.xml
│   	├── test_label.xml
│   	├── list_color.txt
│   	├── list_type.txt
│   	├── ...
  1. Start training

Open Visdom to monitor training process

python -m visdom.server -port [xxxx]

Training Orthogonal Encoder

python orthogonal_encoder.py

Training GAN model

python train.py --stage 1 --dataset train --dataroot [path]
python train.py --stage 2 --dataset train --dataroot [path]
  1. Put trained models into
    1. ./code_GAN/gan/weights/
      • model_130.pth
    2. ./code_GAN/weights/GAN_stage_2
      • 17_net_Di.pth
      • 17_net_Dp.pth
      • 17_net_E.pth
      • 17_net_G.pth
├── PTGAN/
│   ├── code_GAN/
│   	├── gan/
│   	    ├── weights/
│   	        ├── model_130.pth
│   	├── weights/
│   	    ├── GAN_stage_2/
│   	        ├── 17_net_Di.pth
│   	        ├── 17_net_Dp.pth
│   	        ├── 17_net_E.pth
│   	        ├── 17_net_G.pth
│   	        ├── 17_net_Dp.pth
│   ├── ...

ReID Model Training

We utilize 8 GPU 1080ti(11GB) for training. You can train one backbone as follow.

# ResNext101-IBN-a
python train.py --config_file configs/stage1/resnext101a_384.yml MODEL.DEVICE_ID "('0')"
python train_stage2_v1.py --config_file configs/stage2/resnext101a_384.yml MODEL.DEVICE_ID "('0')" OUTPUT_DIR './logs/stage2/resnext101a_384/v1'
python train_stage2_v2.py --config_file configs/stage2/resnext101a_384.yml MODEL.DEVICE_ID "('0')" OUTPUT_DIR './logs/stage2/resnext101a_384/v2'

You should train camera and viewpoint models before the inference stage. You also can directly use our trained results (track_cam_rk.npy and track_view_rk.npy):

python train_cam.py --config_file configs/camera_view/camera_101a.yml
python train_view.py --config_file configs/camera_view/view_101a.yml

You can train all eight backbones by checking run.sh. Then, you can ensemble all results:

python ensemble.py

All ReID trained models can be downloaded from here

Test

After Training all the above models, you can test one backbone as follow.

python PTGAN.py --config_file configs/stage2/resnext101a_384_veri_gan.yml MODEL.DEVICE_ID "('0')" TEST.WEIGHT './logs/stage2/resnext101a_384/v1/resnext101_ibn_a_2.pth' OUTPUT_DIR './logs/stage2/resnext101a_384/veri_gan_v1'
python PTGAN.py --config_file configs/stage2/resnext101a_384_veri_gan.yml MODEL.DEVICE_ID "('0')" TEST.WEIGHT './logs/stage2/resnext101a_384/v2/resnext101_ibn_a_2.pth' OUTPUT_DIR './logs/stage2/resnext101a_384/veri_gan_v2'

VeRi-776 Result

This result is the ReID test result. We train the model on AICITY2021 dataset, and test on VeRi-776 by stage2/v1 ReID model. (will be updated other results in the future.)

Baseline

Backbones mAP R-1 R-5 R-10
ResNet101-IBN-a 48.8 86.1 86.4 91.5
ResNet101-IBN-a+ 48.7 87.0 87.3 91.8
ResNet101-IBN-a ++ 48.6 87.1 87.4 92.3
ResNext101-IBN-a 48.1 86.1 86.4 91.1
ResNest101 48.2 85.9 86.3 91.0
SeResNet101-IBN 46.5 85.0 85.2 90.2
DenseNet169-IBN 46.5 84.8 85.2 90.2
TransReID 48.9 87.0 87.4 91.3

Our Model Transform to gallery pose

Backbones mAP R-1 R-5 R-10
ResNet101-IBN-a 47.4 85.7 88.9 93.1
ResNet101-IBN-a+ 47.2 86.2 90.0 93.7
ResNet101-IBN-a ++ 47.5 86.7 90.6 94.0
ResNext101-IBN-a 46.9 85.5 89.3 92.6
ResNest101 46.3 84.9 90.2 94.3
SeResNet101-IBN 47.0 84.9 90.2 91.7
DenseNet169-IBN 45.1 84.2 87.9 92.1
TransReID 47.0 85.6 91.1 94.0

Transform all photo

Backbones mAP R-1 R-5 R-10
ResNet101-IBN-a 47.1 86.1 88.9 92.3
ResNet101-IBN-a+ 46.9 86.2 89.7 92.8
ResNet101-IBN-a ++ 47.1 86.5 89.6 93.6
ResNext101-IBN-a 46.5 85.8 88.9 92.3
ResNest101 46.7 85.1 88.3 92.3
SeResNet101-IBN 46.6 85.0 87.6 91.7
DenseNet169-IBN 44.8 84.6 87.8 92.1
TransReID 50.3 87.7 90.9 93.6

Reference

@inproceedings{luo2021empirical,
 title={An Empirical Study of Vehicle Re-Identification on the AI City Challenge},
 author={Luo, Hao and Chen, Weihua and Xu Xianzhe and Gu Jianyang and Zhang, Yuqi and Chong Liu and Jiang Qiyi and He, Shuting and Wang, Fan and Li, Hao},
 booktitle={Proc. CVPR Workshops},
 year={2021}
}

Citation

If you find our work valuable for your research, we kindly request that you consider citing the following reference:

@INPROCEEDINGS{10096633,
  author={Hu, Chan-Shuo and Tseng, Sung-Wei and Fan, Xin-Yun and Chiang, Chen-Kuo},
  booktitle={ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, 
  title={Vehicle View Synthesis by Generative Adversarial Network}, 
  year={2023},
  volume={},
  number={},
  pages={1-5},
  doi={10.1109/ICASSP49357.2023.10096633}}

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