You will first need to download the model files and word embeddings. The embedding files (utable and btable) are quite large (>2GB) so make sure there is enough space ...

9. References Show and Tell: A Neural Image Caption Generator - Oriol Vinyals, Alexander Toshev, Samy Bengio, Dumitru Erhan Where to put the Image in an Image Caption Generator - Marc Tanti, Albert ...