Basket-based Softmax
Qiang Meng, Xinqian Gu, Xiaqing Xu, Feng Zhou

TL;DR
The paper introduces Basket-based Softmax, a novel training strategy that enables effective multi-dataset training for face recognition and re-identification, overcoming issues with noisy labels and dataset merging.
Contribution
It proposes a new mining-during-training approach called Basket-based Softmax that allows end-to-end training across multiple datasets with noisy labels.
Findings
Outperforms existing methods on face recognition and re-identification tasks.
Effective in handling noisy labels and dataset merging challenges.
Demonstrates efficiency and superiority on simulated and real-world datasets.
Abstract
Softmax-based losses have achieved state-of-the-art performances on various tasks such as face recognition and re-identification. However, these methods highly relied on clean datasets with global labels, which limits their usage in many real-world applications. An important reason is that merging and organizing datasets from various temporal and spatial scenarios is usually not realistic, as noisy labels can be introduced and exponential-increasing resources are required. To address this issue, we propose a novel mining-during-training strategy called Basket-based Softmax (BBS) as well as its parallel version to effectively train models on multiple datasets in an end-to-end fashion. Specifically, for each training sample, we simultaneously adopt similarity scores as the clue to mining negative classes from other datasets, and dynamically add them to assist the learning of…
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Taxonomy
TopicsFace recognition and analysis · Face and Expression Recognition · Domain Adaptation and Few-Shot Learning
MethodsSoftmax
