What is Score-Aware Prediction Network.

Hello. 
I'm very interested in your excellent research.

However, the paper states that a Score-Aware Prediction Network with a two-layer MLP and a Sigmoid function is used, 
but the code seems to use only sum of Text-relevant cross-attention score and Image-salient self-attention score for selecting.

If you could point me to this missing detail, I would greatly appreciate your kindness.