google object detection api error : object_detection/protos/model.proto:12:5: "Ssd" is not defined.

You might meet this error : "object_detection/protos/model.proto:12:5: "Ssd" is not defined.", when you try below command.

# From tensorflow/models/research/

protoc object_detection/protos/*.proto --python_out=.

I solved this error to use below work.

# Make sure you grab the latest version

curl -OL https://github.com/google/protobuf/releases/download/v3.2.0/protoc-3.2.0-linux-x86_64.zip 

# Unzip 

unzip protoc-3.2.0-linux-x86_64.zip -d protoc3 

# Move protoc to /usr/local/bin/ 

sudo mv protoc3/bin/* /usr/local/bin/ 

# Move protoc3/include to /usr/local/include/ 

sudo mv protoc3/include/* /usr/local/include/ 

# Optional: change owner 

sudo chwon [user] /usr/local/bin/protoc 

sudo chwon -R [user] /usr/local/include/google 

refer to this url:

https://gist.github.com/sofyanhadia/37787e5ed098c97919b8c593f0ec44d8

https://github.com/tensorflow/models/issues/4223