在https://github.com/tensorflow/models/blob/master/research/object_detection/g3doc/installation.md上查看Protobuf编译 并正确设置PYTHONPATH,这就是我为Windows解决的方法
对于Windows:
第1步: protoc object_detection/protos/*.proto --python_out=.
第2步:
set PYTHONPATH= <Path to 'research' Directory> ; <Path to 'slim' Directory>
例如:
set PYTHONPATH=C:\Users\Guy\Desktop\models\research;C:\Users\Guy\Desktop\models\research\slim