Fine-tuning Vision Classifiers On A Budget

• URL: http://arxiv.org/abs/2410.00085v1
• Date: Mon, 30 Sep 2024 17:54:38 GMT
• Title: Fine-tuning Vision Classifiers On A Budget
• Authors: Sunil Kumar, Ted Sandler, Paulina Varshavskaya,
• Abstract summary: We show that using a simple naive-Bayes model to estimate the true labels allows us to label more data on a fixed budget without compromising label or fine-tuning quality. We present experiments on a dataset of industrial images that demonstrates that our method, called Ground Truth Extension (GTX), enables fine-tuning ML models using fewer human labels.
• Score: 1.688687464836377
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Fine-tuning modern computer vision models requires accurately labeled data for which the ground truth may not exist, but a set of multiple labels can be obtained from labelers of variable accuracy. We tie the notion of label quality to confidence in labeler accuracy and show that, when prior estimates of labeler accuracy are available, using a simple naive-Bayes model to estimate the true labels allows us to label more data on a fixed budget without compromising label or fine-tuning quality. We present experiments on a dataset of industrial images that demonstrates that our method, called Ground Truth Extension (GTX), enables fine-tuning ML models using fewer human labels.

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