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FastDeploy/examples/vision/tracking/pptracking/python/README_CN.md
Hu Chuqi bb96a6fe8f [Doc]Add English version of documents in examples (#1070)
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PP-Tracking Python部署示例

在部署前,需确认以下两个步骤

本目录下提供infer.py快速完成PP-Tracking在CPU/GPU以及GPU上通过TensorRT加速部署的示例。执行如下脚本即可完成

#下载部署示例代码
git clone https://github.com/PaddlePaddle/FastDeploy.git
cd FastDeploy/examples/vision/tracking/pptracking/python

# 下载PP-Tracking模型文件和测试视频
wget https://bj.bcebos.com/paddlehub/fastdeploy/fairmot_hrnetv2_w18_dlafpn_30e_576x320.tgz
tar -xvf fairmot_hrnetv2_w18_dlafpn_30e_576x320.tgz
wget https://bj.bcebos.com/paddlehub/fastdeploy/person.mp4
# CPU推理
python infer.py --model fairmot_hrnetv2_w18_dlafpn_30e_576x320 --video person.mp4 --device cpu
# GPU推理
python infer.py --model fairmot_hrnetv2_w18_dlafpn_30e_576x320 --video person.mp4  --device gpu
# GPU上使用TensorRT推理 注意TensorRT推理第一次运行有序列化模型的操作有一定耗时需要耐心等待
python infer.py --model fairmot_hrnetv2_w18_dlafpn_30e_576x320 --video person.mp4  --device gpu --use_trt True

PP-Tracking Python接口

fd.vision.tracking.PPTracking(model_file, params_file, config_file, runtime_option=None, model_format=ModelFormat.PADDLE)

PP-Tracking模型加载和初始化其中model_file, params_file以及config_file为训练模型导出的Paddle inference文件具体请参考其文档说明模型导出

参数

  • model_file(str): 模型文件路径
  • params_file(str): 参数文件路径
  • config_file(str): 推理部署配置文件
  • runtime_option(RuntimeOption): 后端推理配置默认为None即采用默认配置
  • model_format(ModelFormat): 模型格式默认为Paddle格式

predict函数

PPTracking.predict(frame)

模型预测结口,输入图像直接输出检测结果。

参数

  • frame(np.ndarray): 输入数据注意需为HWCBGR格式,frame为视频帧如_,frame=cap.read()得到

返回

返回fastdeploy.vision.MOTResult结构体,结构体说明参考文档视觉模型预测结果

类成员属性

预处理参数

用户可按照自己的实际需求,修改下列预处理参数,从而影响最终的推理和部署效果

其它文档