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We provide some models implemented by PaddlePaddle to detect objects in specific scenarios, users can download the models and use them in these scenarios.
| Task | Algorithm | Box AP | Download | Configs |
|---|---|---|---|---|
| Vehicle Detection | YOLOv3 | 54.5 | model | config |
One of major applications of vehichle detection is traffic monitoring. In this scenary, vehicles to be detected are mostly captured by the cameras mounted on top of traffic light columns.
The network for detecting vehicles is YOLOv3, the backbone of which is Dacknet53.
PaddleDetection provides users with a configuration file yolov3_darknet53_270e_coco.yml to train YOLOv3 on the COCO dataset, compared with this file, we modify some parameters as followed to conduct the training for vehicle detection:
The accuracy of the model trained and evaluated on our private data is shown as followed:
AP at IoU=.50:.05:.95 is 0.545.
AP at IoU=.50 is 0.764.
Users can employ the model to conduct the inference:
export CUDA_VISIBLE_DEVICES=0
python -u tools/infer.py -c configs/vehicle/vehicle_yolov3_darknet.yml \
-o weights=https://paddledet.bj.bcebos.com/models/vehicle_yolov3_darknet.pdparams \
--infer_dir configs/vehicle/demo \
--draw_threshold 0.2 \
--output_dir configs/vehicle/demo/output
Some inference results are visualized below:
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