Comments (4)
👋 Hello @yaober, thank you for your interest in Ultralytics YOLOv8 🚀! We recommend a visit to the Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered.
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.
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Install
Pip install the ultralytics
package including all requirements in a Python>=3.8 environment with PyTorch>=1.8.
pip install ultralytics
Environments
YOLOv8 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 Ultralytics CI tests are currently passing. CI tests verify correct operation of all YOLOv8 Modes and Tasks on macOS, Windows, and Ubuntu every 24 hours and on every commit.
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Hello @yaober! 👋
To calculate mIoU and mPA for your YOLOv8-seg model, you should indeed use the val
mode as described. Ensure your dataset is properly configured in your your_dataset.yaml
file to support these metrics. If the metrics still don't appear, it may be necessary to implement a custom script to calculate them by comparing the predicted masks against the ground truth.
Here's the command again for clarity:
yolo segment val model=yolov8n-seg.pt data=your_dataset.yaml
If you encounter any specific issues or errors during this process, please provide the error messages or further details, and I'll be glad to assist you further!
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I do use the command line you provided. and I got the metrics like speed/mAP/BOX_Percision .......... while there is not mIOU. I also check the code of yolov8, I do see mIoU function, but it was not implemented when the val process. could you please check the source code again?
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@yaober hello!
Thank you for your detailed feedback. It seems that while the mIoU function exists within the YOLOv8 codebase, it might not be automatically applied during the val
process for segmentation models. I recommend manually invoking this function in your validation script or modifying the validation pipeline to include mIoU calculation explicitly.
If you need further guidance on how to modify the script or any other assistance, please let me know! I'm here to help. 😊
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Related Issues (20)
- Error Code 2: Internal Error (Assertion cublasStatus == CUBLAS_STATUS_SUCCESS failed. ) HOT 3
- Yolov10 Can't get attribute 'SCDown' on <module 'ultralytics.nn.modules.block' from 'C:\\Users\\ZHANG\\miniconda3\\lib\\site-packages\\ultralytics\\nn\\modules\\block.py'> HOT 4
- yolov8 -- After the cache is turned on, the memory occupied by reading val data is too large HOT 5
- YOLOv10 Performance Issue: Version 3.12 Fast, But 3.11 and Below Very Slow HOT 4
- yolo8 onnx in opencv HOT 2
- Is OBB available for yolov9 and v10 ? HOT 1
- Clamping in bbox2dist HOT 1
- Question about code of position embedding in rt-detr HOT 5
- Process group init fails when training YOLOv8 after successful tunning [Databricks] [single node GPU] HOT 3
- Train with single gpu HOT 2
- Yolo8-OnnxRuntime-CPP-Inference awful output HOT 2
- confusion matrix single HOT 2
- How to add the bounding box values to the labels text files during prediction with a trained YOLO-V8 instance segmentation model? HOT 2
- Class imabalance dataloader HOT 1
- Replace confidence score for forward pass for. yolov8. Default is 0.25
- The Yolov8 model is wrong in predicting probability HOT 1
- Superfluous line in Model HOT 1
- Re train yolov8n.pt to detect more objects from a custom dataset? HOT 1
- image 1/1 D:\yolov8\ultralytics-main\ultralytics\assets\bus.jpg: 640x480 (no detections), 510.2ms Speed: 15.5ms preprocess, 510.2ms inference, 18.0ms postprocess per image at shape (1, 3, 640, 480) HOT 1
- How to Shut Down Wandb
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