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将labelme数据标注格式转换为YoloV8语义分割数据集,并可自动划分训练集和验证集

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labelme2YoloV8-segment

将labelme数据标注格式转换为YoloV8语义分割数据集,并可自动划分训练集和验证集

示例图片

使用

请先确保所有数据集图片和labelme标注文件都存放在一个文件夹内。脚本根据文件名对图片-标注进行匹配。

python convert_folder.py 待转换的文件夹 输出文件夹 训练集占比

示例:

python convert_folder.py examples datasets 0.8

训练

参照YoloV8官方文档

示例:

from ultralytics import YOLO
from ultralytics import settings

settings.update({'datasets_dir': './'})
model = YOLO('yolov8n-seg.yaml').load('yolov8n.pt')  # build from YAML and transfer weights

if __name__ == '__main__':
    # Train the model
    results = model.train(data='./datasets/yolo.yaml', epochs=100, imgsz=640)

疑难解答

YOLOV8找不到训练集和测试集文件

YOLOV8在查找路径时,会将三个路径拼接到一起:

  • setting中的datasets_dir
  • 数据集yaml中的path
  • 数据集yaml中的train、value

可以通过以下方式来修改 datasets_dir:

from ultralytics import settings
settings.update({'datasets_dir': './'})

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将labelme数据标注格式转换为YoloV8语义分割数据集,并可自动划分训练集和验证集

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