Comments (3)
👋 Hello @hacktmz, 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.
from ultralytics.
root@zhenty-33-0:/gpu2-data/zhenty/yolov8# yolo export model=runs/obb/train/weights/best.pt format=onnx opset=15 imgsz=640
Ultralytics YOLOv8.2.10 🚀 Python-3.8.10 torch-1.14.0a0+44dac51 CPU (Intel Xeon Platinum 8255C 2.50GHz)
YOLOv8s-obb summary (fused): 187 layers, 11411958 parameters, 0 gradients, 29.4 GFLOPs
PyTorch: starting from 'runs/obb/train/weights/best.pt' with input shape (1, 3, 640, 640) BCHW and output shape(s) (1, 6, 8400) (44.9 MB)
ONNX: starting export with onnx 1.12.0 opset 15...
========== Diagnostic Run torch.onnx.export version 1.14.0a0+44dac51 ===========
verbose: False, log level: Level.ERROR
======================= 0 NONE 0 NOTE 0 WARNING 0 ERROR ========================
ONNX: export success ✅ 2.7s, saved as 'runs/obb/train/weights/best.onnx' (43.7 MB)
Export complete (6.4s)
Results saved to /gpu2-data/zhenty/yolov8/runs/obb/train/weights
Predict: yolo predict task=obb model=runs/obb/train/weights/best.onnx imgsz=640
Validate: yolo val task=obb model=runs/obb/train/weights/best.onnx imgsz=640 data=/gpu2-data/dataset/ocrdata20240430/obb.yaml
Visualize: https://netron.app
💡 Learn more at https://docs.ultralytics.com/modes/export
root@zhenty-33-0:/gpu2-data/zhenty/yolov8# yolo export model=runs/obb/train/weights/best.pt format=onnx opset=15 imgsz=1024
Ultralytics YOLOv8.2.10 🚀 Python-3.8.10 torch-1.14.0a0+44dac51 CPU (Intel Xeon Platinum 8255C 2.50GHz)
YOLOv8s-obb summary (fused): 187 layers, 11411958 parameters, 0 gradients, 29.4 GFLOPs
PyTorch: starting from 'runs/obb/train/weights/best.pt' with input shape (1, 3, 1024, 1024) BCHW and output shape(s) (1, 6, 21504) (44.9 MB)
ONNX: starting export with onnx 1.12.0 opset 15...
========== Diagnostic Run torch.onnx.export version 1.14.0a0+44dac51 ===========
verbose: False, log level: Level.ERROR
======================= 0 NONE 0 NOTE 0 WARNING 0 ERROR ========================
ONNX: export success ✅ 2.9s, saved as 'runs/obb/train/weights/best.onnx' (43.8 MB)
Export complete (8.2s)
Results saved to /gpu2-data/zhenty/yolov8/runs/obb/train/weights
Predict: yolo predict task=obb model=runs/obb/train/weights/best.onnx imgsz=1024
Validate: yolo val task=obb model=runs/obb/train/weights/best.onnx imgsz=1024 data=/gpu2-data/dataset/ocrdata20240430/obb.yaml
Visualize: https://netron.app
💡 Learn more at https://docs.ultralytics.com/modes/export
root@zhenty-33-0:/gpu2-data/zhenty/yolov8#
from ultralytics.
It looks like the output dimensions differ based on the imgsz
used during the model export process. When the model is trained with imgsz=640
and exported with the same, the dimensions are adjusted accordingly which differs from when exported with imgsz=1024
.
It's important to maintain consistency between the training and exporting image sizes to ensure the output dimensions align with expectations. If you need the output dimensions to match a specific size, consider retraining the model with that exact imgsz
or adjust the imgsz
during export to match your trained model settings.
If you have further issues or questions, feel free to reach out! 🚀
from ultralytics.
Related Issues (20)
- yolov8 when train,raise error OSError: [WinError 87] parameters error HOT 1
- Will you support YOLOv10 in the future? HOT 5
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- A question about validation set drawing image results HOT 2
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- Custom train for table structure HOT 8
- Please change this misleading tip HOT 2
- Tracking with 1 model and N multi-stream HOT 9
- edgetpu.ftlite is numpy.int8 but Coral only support uint8 input type HOT 1
- Getting error while Converting to tensorRT HOT 5
- Unable to Export RTDETR Large Model(best.pt) to TFLite or NCNN for Raspberry Pi 4 Deployment HOT 5
- Deepsparse provides empty results with custom yolov8 model HOT 5
- No inference with best.pt HOT 1
- YOLO HOT 6
- Training slow with large training imgsz HOT 4
- classification .pt to onnx predict error HOT 5
- onnx detect HOT 2
- ModuleNotFoundError: No module named 'ultralytics.nn.modules.conv'; 'ultralytics.nn.modules' is not a package HOT 2
- Custom model cannot export onnx from pt file HOT 2
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from ultralytics.