 In this paper, we develop variants of layer-wise relevance backpropagation (LRP) and gradient backpropagation , tailored to image captioning models with attention mechanisms.
<clarity>  In this paper, we develop variants of layer-wise relevance backpropagation (LRP) and gradient backpropagation , tailored to image captioning models with attention mechanisms.
 In this paper, we develop variants of layer-wise relevance backpropagation (LRP) and gradient-based explanation methods , tailored to image captioning models with attention mechanisms.