更换文档检测模型
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paddle_detection/configs/mot/pedestrian/README_cn.md
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paddle_detection/configs/mot/pedestrian/README_cn.md
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[English](README.md) | 简体中文
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# 特色垂类跟踪模型
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## 大规模行人跟踪 (Pedestrian Tracking)
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行人跟踪的主要应用之一是交通监控。
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[PathTrack](https://www.trace.ethz.ch/publications/2017/pathtrack/index.html)包含720个视频序列，有着超过15000个行人的轨迹。包含了街景、舞蹈、体育运动、采访等各种场景的，大部分是移动摄像头拍摄场景。该数据集只有Pedestrian一类标注作为跟踪任务。
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[VisDrone](http://aiskyeye.com)是无人机视角拍摄的数据集，是以俯视视角为主。该数据集涵盖不同位置（取自中国数千个相距数千公里的14个不同城市）、不同环境（城市和乡村）、不同物体（行人、车辆、自行车等）和不同密度（稀疏和拥挤的场景）。[VisDrone2019-MOT](https://github.com/VisDrone/VisDrone-Dataset)包含56个视频序列用于训练，7个视频序列用于验证。此处针对VisDrone2019-MOT多目标跟踪数据集进行提取，抽取出类别为pedestrian和people的数据组合成一个大的Pedestrian类别。
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## 模型库
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### FairMOT在各个数据集val-set上Pedestrian类别的结果
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| 数据集 | 骨干网络 | 输入尺寸 | MOTA | IDF1 | FPS | 下载链接 | 配置文件 |
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| :-------------| :-------- | :------- | :----: | :----: | :----: | :-----: |:------: |
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| PathTrack | DLA-34 | 1088x608 | 44.9 | 59.3 | - |[下载链接](https://paddledet.bj.bcebos.com/models/mot/fairmot_dla34_30e_1088x608_pathtrack.pdparams) | [配置文件](./fairmot_dla34_30e_1088x608_pathtrack.yml) |
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| VisDrone | DLA-34 | 1088x608 | 49.2 | 63.1 | - | [下载链接](https://paddledet.bj.bcebos.com/models/mot/fairmot_dla34_30e_1088x608_visdrone_pedestrian.pdparams) | [配置文件](./fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml) |
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| VisDrone | HRNetv2-W18| 1088x608 | 40.5 | 54.7 | - | [下载链接](https://paddledet.bj.bcebos.com/models/mot/fairmot_hrnetv2_w18_dlafpn_30e_1088x608_visdrone_pedestrian.pdparams) | [配置文件](./fairmot_hrnetv2_w18_dlafpn_30e_1088x608_visdrone_pedestrian.yml) |
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| VisDrone | HRNetv2-W18| 864x480 | 38.6 | 50.9 | - | [下载链接](https://paddledet.bj.bcebos.com/models/mot/fairmot_hrnetv2_w18_dlafpn_30e_864x480_visdrone_pedestrian.pdparams) | [配置文件](./fairmot_hrnetv2_w18_dlafpn_30e_864x480_visdrone_pedestrian.yml) |
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| VisDrone | HRNetv2-W18| 576x320 | 30.6 | 47.2 | - | [下载链接](https://paddledet.bj.bcebos.com/models/mot/fairmot_hrnetv2_w18_dlafpn_30e_576x320_visdrone_pedestrian.pdparams) | [配置文件](./fairmot_hrnetv2_w18_dlafpn_30e_576x320_visdrone_pedestrian.yml) |
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**注意:**
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- FairMOT均使用DLA-34为骨干网络，4个GPU进行训练，每个GPU上batch size为6，训练30个epoch。
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## 数据集准备和处理
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### 1、数据集处理代码说明
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代码统一都在tools目录下
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```
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# visdrone
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tools/visdrone/visdrone2mot.py: 生成visdrone_pedestrian据集
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```
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### 2、visdrone_pedestrian数据集处理
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```
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# 复制tool/visdrone/visdrone2mot.py到数据集目录下
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# 生成visdrone_pedestrian MOT格式的数据，抽取类别classes=1,2 (pedestrian, people)
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<<--生成前目录-->>
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├── VisDrone2019-MOT-val
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│ ├── annotations
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│ ├── sequences
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│ ├── visdrone2mot.py
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<<--生成后目录-->>
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├── VisDrone2019-MOT-val
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│ ├── annotations
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│ ├── sequences
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│ ├── visdrone2mot.py
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│ ├── visdrone_pedestrian
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│ │ ├── images
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│ │ │ ├── train
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│ │ │ ├── val
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│ │ ├── labels_with_ids
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│ │ │ ├── train
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│ │ │ ├── val
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# 执行
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python visdrone2mot.py --transMot=True --data_name=visdrone_pedestrian --phase=val
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python visdrone2mot.py --transMot=True --data_name=visdrone_pedestrian --phase=train
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```
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## 快速开始
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### 1. 训练
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使用2个GPU通过如下命令一键式启动训练
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```bash
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python -m paddle.distributed.launch --log_dir=./fairmot_dla34_30e_1088x608_visdrone_pedestrian/ --gpus 0,1 tools/train.py -c configs/mot/pedestrian/fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml
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```
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### 2. 评估
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使用单张GPU通过如下命令一键式启动评估
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```bash
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# 使用PaddleDetection发布的权重
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CUDA_VISIBLE_DEVICES=0 python tools/eval_mot.py -c configs/mot/pedestrian/fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml -o weights=https://paddledet.bj.bcebos.com/models/mot/fairmot_dla34_30e_1088x608_visdrone_pedestrian.pdparams
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# 使用训练保存的checkpoint
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CUDA_VISIBLE_DEVICES=0 python tools/eval_mot.py -c configs/mot/pedestrian/fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml -o weights=output/fairmot_dla34_30e_1088x608_visdrone_pedestrian/model_final.pdparams
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```
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### 3. 预测
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使用单个GPU通过如下命令预测一个视频，并保存为视频
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```bash
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# 预测一个视频
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CUDA_VISIBLE_DEVICES=0 python tools/infer_mot.py -c configs/mot/pedestrian/fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml -o weights=https://paddledet.bj.bcebos.com/models/mot/fairmot_dla34_30e_1088x608_visdrone_pedestrian.pdparams --video_file={your video name}.mp4 --save_videos
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```
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**注意:**
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- 请先确保已经安装了[ffmpeg](https://ffmpeg.org/ffmpeg.html), Linux(Ubuntu)平台可以直接用以下命令安装：`apt-get update && apt-get install -y ffmpeg`。
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### 4. 导出预测模型
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```bash
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CUDA_VISIBLE_DEVICES=0 python tools/export_model.py -c configs/mot/pedestrian/fairmot_dla34_30e_1088x608_visdrone_pedestrian.yml -o weights=https://paddledet.bj.bcebos.com/models/mot/fairmot_dla34_30e_1088x608_visdrone_pedestrian.pdparams
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```
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### 5. 用导出的模型基于Python去预测
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```bash
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python deploy/pptracking/python/mot_jde_infer.py --model_dir=output_inference/fairmot_dla34_30e_1088x608_visdrone_pedestrian --video_file={your video name}.mp4 --device=GPU --save_mot_txts
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```
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**注意:**
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- 跟踪模型是对视频进行预测，不支持单张图的预测，默认保存跟踪结果可视化后的视频，可添加`--save_mot_txts`表示保存跟踪结果的txt文件，或`--save_images`表示保存跟踪结果可视化图片。
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- 跟踪结果txt文件每行信息是`frame,id,x1,y1,w,h,score,-1,-1,-1`。
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## 引用
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```
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@article{zhang2020fair,
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title={FairMOT: On the Fairness of Detection and Re-Identification in Multiple Object Tracking},
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author={Zhang, Yifu and Wang, Chunyu and Wang, Xinggang and Zeng, Wenjun and Liu, Wenyu},
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journal={arXiv preprint arXiv:2004.01888},
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year={2020}
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}
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@INPROCEEDINGS{8237302,
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author={S. {Manen} and M. {Gygli} and D. {Dai} and L. V. {Gool}},
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booktitle={2017 IEEE International Conference on Computer Vision (ICCV)},
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title={PathTrack: Fast Trajectory Annotation with Path Supervision},
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year={2017},
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volume={},
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number={},
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pages={290-299},
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doi={10.1109/ICCV.2017.40},
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ISSN={2380-7504},
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month={Oct},}
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@ARTICLE{9573394,
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author={Zhu, Pengfei and Wen, Longyin and Du, Dawei and Bian, Xiao and Fan, Heng and Hu, Qinghua and Ling, Haibin},
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journal={IEEE Transactions on Pattern Analysis and Machine Intelligence},
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title={Detection and Tracking Meet Drones Challenge},
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year={2021},
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volume={},
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number={},
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pages={1-1},
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doi={10.1109/TPAMI.2021.3119563}
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}
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```
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