This is being done using various types of networks. See these slides on image captioning by Karpathy for an example using a CNN and RNN: http://cs.stanford.edu/

This is being done using various types of networks. See these slides on image captioning by Karpathy for an example using a CNN and RNN: http://cs.stanford.edu/people/karpathy/sfmltalk.pdf http://cs.stanford.edu/people/karpathy/sfmltalk.pdf