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Training the Model

Build Config File

Before we can train our model, we need to create a config fle.

python create_config.py

Start Training

Once everything is setup, you can start training the model:

python train.py nano

Size Options: nano | small | medium | large | extralarge

Size Model Depth Scale Width Scale Max Channels mAPbox mAPmask Speed CPU ONNX Speed A100 TensorRT Params FLOPs
nano yolov8n-seg.pt 0.33 0.25 1024 36.7 30.5 96.1 ms 1.21 ms 3.4 M 12.6 B
small yolov8s-seg.pt 0.33 0.50 1024 44.6 36.8 155.7 ms 1.47 ms 11.8 M 42.6 B
medium yolov8m-seg.pt 0.67 0.75 768 49.9 40.8 317.0 ms 2.18 ms 27.3 M 110.2 B
large yolov8l-seg.pt 1.00 1.00 512 52.3 42.6 572.4 ms 2.79 ms 46.0 M 220.5 B
extralarge yolov8x-seg.pt 1.00 1.25 512 53.4 43.4 712.1 ms 4.02 ms 71.8 M 344.1 B
  • mAPval values are for single-model single-scale on COCO val2017 dataset.
  • Speed averaged over COCO val images using an Amazon EC2 P4d instance.
  • All Models are trained using an image size of 640px

Customizing:

Edit the following line in train.py with custom Training Configuration to tweak performance of our model.

args = dict(data='config.yaml', epochs=100, imgsz=640)

Resuming Training

If for some reason the training process gets interrupted, you can pick up from the last saved Epoch by running the following:

python resume.py nano

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