Two-Stream Hybrid Attention Network For Multimodal Classification
Qipin Chen, Zhenyu Shi, Zhen Zuo, Jinmiao Fu, Yi Sun
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On modern e-commerce platforms like Amazon, the number of products is fast growing, precise and efficient product classification becomes a key lever to great customer shopping experience. To tackle the large-scale product classification problem, a major challenge is how to leverage multimodal product information (e.g., image, text). One of the most successful directions is the attention-based deep multimodal learning, where there are mainly two types of frameworks: 1) keyless attention, which learns the importance of features within each modal; and 2) key-based attention, which learns the importance of features using other modalities. In this paper, we propose a novel Two-stream Hybrid Attention Network (HANet), which leverages both key-based and keyless attention mechanisms to capture the key information across product image and title modalities. We experimentally show that our HANet achieves state-of-the-art performance on Amazon-scale product classification problem.