Stack-Captioning: Coarse-to-Fine Learning for Image Captioning

11 Sep 2017 Jiuxiang Gu Jianfei Cai Gang Wang Tsuhan Chen

The existing image captioning approaches typically train a one-stage sentence decoder, which is difficult to generate rich fine-grained descriptions. On the other hand, multi-stage image caption model is hard to train due to the vanishing gradient problem... (read more)

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