Elevating Augmentation: Boosting Performance via Sub-Model Training
Keywords: Training recipe, drop regularization, random masking, self-distillation, supervised learning
TL;DR: The paper introduces the Augmenting Sub-model (AugSub), a new method for applying drop regularization, which improves performance and accelerates training.
Abstract: Image classification has improved with the development of training techniques. However, these techniques often require careful parameter tuning to balance the strength of regularization, limiting their potential benefits. In this paper, we propose a novel way to use regularization called Augmenting Sub-model (AugSub). AugSub consists of two models: the main model and the sub-model. While the main model employs conventional training recipes, the sub-model leverages the benefit of additional regularization. AugSub achieves this by mitigating adverse effects through a relaxed loss function similar to self-distillation loss. We demonstrate the effectiveness of AugSub with three drop techniques: dropout, drop-path, and random masking. Our analysis shows that all AugSub improves performance, with the training loss converging even faster than regular training. Among the three, AugMask is identified as the most practical method due to its performance and cost efficiency. We further validate AugMask across diverse training recipes, including DeiT-III, ResNet, MAE fine-tuning, and Swin Transformer. The results show that AugMask consistently provides significant performance gain. AugSub provides a practical and effective solution for introducing additional regularization under various training recipes. The code will be publicly available.
Primary Area: unsupervised, self-supervised, semi-supervised, and supervised representation learning
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Submission Number: 468
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