Multi-Armed Bandit Approach for Optimizing Training on Synthetic Data

• URL: http://arxiv.org/abs/2412.05466v1
• Date: Fri, 06 Dec 2024 23:36:36 GMT
• Title: Multi-Armed Bandit Approach for Optimizing Training on Synthetic Data
• Authors: Abdulrahman Kerim, Leandro Soriano Marcolino, Erickson R. Nascimento, Richard Jiang,
• Abstract summary: We propose a novel UCB-based training procedure combined with a dynamic usability metric. Our proposed metric integrates low-level and high-level information from synthetic images and their corresponding real and synthetic datasets. We show that our metric is an effective way to rank synthetic images based on their usability.
• Score: 7.603659241572307
• License:
• Abstract: Supervised machine learning methods require large-scale training datasets to perform well in practice. Synthetic data has been showing great progress recently and has been used as a complement to real data. However, there is yet a great urge to assess the usability of synthetically generated data. To this end, we propose a novel UCB-based training procedure combined with a dynamic usability metric. Our proposed metric integrates low-level and high-level information from synthetic images and their corresponding real and synthetic datasets, surpassing existing traditional metrics. By utilizing a UCB-based dynamic approach ensures continual enhancement of model learning. Unlike other approaches, our method effectively adapts to changes in the machine learning model's state and considers the evolving utility of training samples during the training process. We show that our metric is an effective way to rank synthetic images based on their usability. Furthermore, we propose a new attribute-aware bandit pipeline for generating synthetic data by integrating a Large Language Model with Stable Diffusion. Quantitative results show that our approach can boost the performance of a wide range of supervised classifiers. Notably, we observed an improvement of up to 10% in classification accuracy compared to traditional approaches, demonstrating the effectiveness of our approach. Our source code, datasets, and additional materials are publically available at https://github.com/A-Kerim/Synthetic-Data-Usability-2024.

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