We published some research on one approach: http://lstm.seas.harvard.edu/latex/ http://lstm.seas.harvard.edu/latex/ Here's how to do it with OpenNMT/PyTorch:

We published some research on one approach: http://lstm.seas.harvard.edu/latex/ http://lstm.seas.harvard.edu/latex/ Here's how to do it with OpenNMT/PyTorch: http://opennmt.net/OpenNMT-py/im2text.html http://opennmt.net/OpenNMT-py/im2text.html