1. Download: pip install labelme
2. Save the image to be marked into the images directory, and cd to the parent directory of the images directory
3. Create a new labels.txt file, ansi code, and enter the category
__ignore__
_background_
aeroplane
bicycle
bird
boat
bottle
bus
car
cat
chair
cow
diningtable
dog
horse
motorbike
person
potted plant
sheep
sofa
train
tv/monitor
4. Start labelme from the command line
labelme images --labels labels.txt --nodata

After marking all pictures, exit labelme
5. Download the batch conversion py code
enterhttps://github.com/wkentaro/labelme/tree/master/examples/semantic_segmentationPage, downloadlabelme2voc.py
6. Conversion
python.exe ./labelme2voc.py images data_dataset_voc --labels ./labels.txt
The effect after conversion is as follows:

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