运行 python detect.py --source ./data/images/ --weights weights/yolov5s.pt 报错

[lei-zihao]

Search before asking

• I have searched the YOLOv5 issues and found no similar bug report.

YOLOv5 Component

Detection

Bug

Traceback (most recent call last):
File "detect.py", line 198, in
detector = Yolov5Detector()
File "/home/ros1/anaconda3/envs/yolov5/lib/python3.8/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
return func(*args, **kwargs)
File "detect.py", line 41, in init
self.conf_thres = rospy.get_param("~confidence_threshold")
File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/client.py", line 467, in get_param
return _param_server[param_name] #MasterProxy does all the magic for us
File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/msproxy.py", line 123, in getitem
raise KeyError(key)
KeyError: '~confidence_threshold'

Environment

PARAMETERS

• /detect/agnostic_nms: True
• /detect/confidence_threshold: 0.75
• /detect/data: /home/ros1/yolo/s...
• /detect/device: 0
• /detect/dnn: True
• /detect/half: False
• /detect/inference_size_h: 640
• /detect/inference_size_w: 640
• /detect/input_image_topic: /usb_cam/image_raw
• /detect/iou_threshold: 0.45
• /detect/line_thickness: 3
• /detect/maximum_detections: 1000
• /detect/output_image_topic: /yolov5/image_out
• /detect/output_topic: /yolov5/detections
• /detect/publish_image: False
• /detect/view_image: True
• /detect/weights: yolov5m.pt
• /rosdistro: melodic
• /rosversion: 1.14.13

Minimal Reproducible Example

No response

Additional

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

[github-actions]

👋 Hello @lei-zihao, thank you for your interest in YOLOv5 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution.

If this is a 🐛 Bug Report, please provide a minimum reproducible example to help us debug it.

If this is a custom training ❓ Question, please provide as much information as possible, including dataset image examples and training logs, and verify you are following our Tips for Best Training Results.

Requirements

Python>=3.8.0 with all requirements.txt installed including PyTorch>=1.8. To get started:

git clone https://github.com/ultralytics/yolov5  # clone
cd yolov5
pip install -r requirements.txt  # install

Environments

YOLOv5 may be run in any of the following up-to-date verified environments (with all dependencies including CUDA/CUDNN, Python and PyTorch preinstalled):

• Notebooks with free GPU:
• Google Cloud Deep Learning VM. See GCP Quickstart Guide
• Amazon Deep Learning AMI. See AWS Quickstart Guide
• Docker Image. See Docker Quickstart Guide

Status

If this badge is green, all YOLOv5 GitHub Actions Continuous Integration (CI) tests are currently passing. CI tests verify correct operation of YOLOv5 training, validation, inference, export and benchmarks on macOS, Windows, and Ubuntu every 24 hours and on every commit.

Introducing YOLOv8 🚀

We're excited to announce the launch of our latest state-of-the-art (SOTA) object detection model for 2023 - YOLOv8 🚀!

Designed to be fast, accurate, and easy to use, YOLOv8 is an ideal choice for a wide range of object detection, image segmentation and image classification tasks. With YOLOv8, you'll be able to quickly and accurately detect objects in real-time, streamline your workflows, and achieve new levels of accuracy in your projects.

Check out our YOLOv8 Docs for details and get started with:

pip install ultralytics

[glenn-jocher]

@lei-zihao hello,

Thank you for reporting this issue and providing detailed information about your environment. To assist you better, we need a minimal reproducible example of the code that triggers this error. This will help us understand the context and reproduce the bug on our end. You can find guidelines on how to create a minimal reproducible example here.

Additionally, please ensure that you are using the latest versions of torch and the YOLOv5 repository. You can update your packages with the following commands:

pip install --upgrade torch
git pull https://github.com/ultralytics/yolov5

From the traceback, it appears that the error is related to the ROS parameter ~confidence_threshold not being found. Please verify that this parameter is correctly set in your ROS parameter server. You can check the parameters using:

rosparam list

If the parameter is missing, you can set it using:

rosparam set /detect/confidence_threshold 0.75

Feel free to share the minimal reproducible example and any additional details that might help us diagnose the issue further. We're here to help!