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Cross-modal food retrieval is an important task to perform analysis of food-related information, such as food images and cooking recipes. The goal is to learn an embedding of images and recipes in a common feature space, so that precise matching can be realized. Compared with existing cross-modal retrieval approaches, two major challenges in this specific problem are: 1) the large intra-class variance across cross-modal food data; and 2) the difficulties in obtaining discriminative recipe representations. To address these problems, we propose Semantic-Consistent and Attention-based Networks (SCAN), which regularize the embeddings of the two modalities by aligning output semantic probabilities. In addition, we exploit self-attention mechanism to improve the embedding of recipes. We evaluate the performance of the proposed method on the largescale Recipe1M dataset, and the result shows that it outperforms the state-of-the-art.

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