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karpathy / neuraltalk

NeuralTalk is a Python+numpy project for learning Multimodal Recurrent Neural Networks that describe images with sentences.

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Confusion about an equation in the paper

sunshineatnoon opened this issue · comments

commented

Thanks for making the code public. This is a great work!
This issue is not about the code, but I feel a little confused about the 11th equation in the paper, since the relevant code is not available.
eq
What does i indicates in the above equation? and does t refer to an index of an image fragment or a sentence fragment? Also maybe maximizing this term makes more sense? I would really appreciate it if you can point out my misunderstandings here. Thanks!