If the datasets have no miss mask and all mask, then how I should deal with miss mask and all mask?

[xiangweifeng]

Let them all '1'?

[michalfaber]

miss mask and all mask are required only for training - I work on that

[Marcovaldong]

I want to transfer this model to a new dataset which has 14 keypoints for one person, I need to train the model on the new dataset, so how I should deal with miss mask and all mask