Bibliography (4):

1. Microsoft COCO: Common Objects in Context

2. Conceptual Captions: A Cleaned, Hypernymed, Image Alt-text Dataset For Automatic Image Captioning

3. https://github.com/ChenRocks/UNITER

4. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Optimal_Transport  :

      https://en.wikipedia.org/wiki/Optimal_Transport