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Create a conda virtual env and activate it.
conda create -n ViTMatte python==3.8.8 conda activate ViTMatte -
Install packages.
cd path/to/ViTMatte pip install -r requriments.txt -
Install detectron2 , follow its documentation. For ViTMatte, we recommend to build it from latest source code.
python -m pip install 'git+https://github.com/facebookresearch/detectron2.git'