Dress Fashionably: Learn Fashion Collocation With Deep Mixed-Category Metric Learning

In this paper, we seek to enable machine to answer questions like, given a clutch bag, what kind of skirt, heel and even accessory best fashionably collocate with it? This problem, dubbed fashion collocation, has almost been neglected by researchers due to the large uncertainty lies in fashion collocation and professional expertise required to address it. In this paper, we narrow down the well-collocated samples to be fashion images shared on fashion websites, with which we propose an end-to-end trainable deep mixed-category metric learning method to project well-collocated clothing items to lie close but items violating well-collocation far apart in the deep embedding space. Specifically, we simultaneously model the intra-category exclusiveness and cross-category inclusiveness of fashion collocation by feeding a set of wellcollocated clothing items and corresponding bad-collocated clothing items to the deep neural network, further a hardaware online exemplar mining strategy is designed to force the whole neural network to be trainable and learn discriminative features at the early and later training stages respectively. To motivate more research in fashion collocation, we collect a dataset of 0. 2 million fashionably well-collocated images consisting of either on-body or off-body clothing items or accessories. Extensive experimental results show the feasibility and superiority of our method.

Authors

• Long Chen Institute of Automation, Chinese Academy of Science Waytous
• Yuhang He Xi'an Jiaotong University

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