IDEAL: Independent Domain Embedding Augmentation Learning

Abstract

Many efforts have been devoted to designing sampling, mining, and weighting strategies in high-level deep metric learning (DML) loss objectives. However, little attention has been paid to low-level but essential data transformation. In this paper, we develop a novel mechanism, the independent domain embedding augmentation learning (\{IDEAL\}) method. It can simultaneously learn multiple independent embedding spaces for multiple domains generated by predefined data transformations. Our IDEAL is orthogonal to existing DML techniques and can be seamlessly combined with prior DML approaches for enhanced performance. Empirical results on visual retrieval tasks demonstrate the superiority of the proposed method. For example, the IDEAL improves the performance of MS loss by a large margin, 84.5% \(\rightarrow\) 87.1% on Cars-196, and 65.8% \(\rightarrow\) 69.5% on CUB-200 at Recall\(@1\). Our IDEAL with MS loss also achieves the new state-of-the-art performance on three image retrieval benchm

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• arxiv keychen2021ideal

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