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Semantic Compositional Networks for Visual Captioning

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Semantic Compositional Networks for Visual Captioning

  1. 1. Semantic Compositional Networks for Visual Captioning CVPR 2016
  2. 2. RNN for Image Captioning
  3. 3. Related Works • Show, Attend and Tell: Neural Image Caption Generation with Visual Attention
  4. 4. Related Works • What value do explicit high level concepts have in vision to language problems?
  5. 5. Related Works • Image Captioning with Semantic Attention
  6. 6. Main Idea
  7. 7. Framework
  8. 8. The Model W(s) and U(s) are ensembles of tag-dependent weight matrices
  9. 9. The Problem – Complexity of Model • K x RNNs v.s. 1 x RNN
  10. 10. How to reduce complexity

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