* update train.py

* update post_quantization.py

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* update video_infer.py

* fix humanseg postprocess

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* updata optflow

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* update solver.py and model_builder.py

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* reconsitution humanseg

* first refactor humanseg

* update humanseg.py and add main.py

* frist add

* add shufflenet

* first add

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* update hrnet.py

* update humanseg.py

* rm cpp deploy

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* update

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* image_segment and video_segment add to class HumanSeg

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* update

* update __init__.py

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* update solver.py and model_builder.py

* update solver.py

* update infer.py

* update model_builder.py for fitting different aug_method

* update model_builder.py

* update model_builder.py

* update export process

* save best model

* update train.py

* update train.py

* update train.py

* eval for last epoch model

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* reconsitution humanseg

* first refactor humanseg

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* add optic.yaml

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