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Calibrating Uncertainty for Semi-Supervised Crowd Counting by Li, Chen; Hu, Xiaoling; Abousamra, Shahira; Chen, Chao is a scholarly article available to read on EtoBox.

What is Calibrating Uncertainty for Semi-Supervised Crowd Counting about?

Semi-supervised crowd counting is an important yet challenging task. A popular approach is to iteratively generate pseudo-labels for unlabeled data and add them to the training set. The key is to use uncertainty to select reliable pseudo-labels. In this paper, we propose a novel method to calibrate model uncertainty for crowd counting. Our method takes a supervised uncertainty estimation strategy to train the model through a surrogate function. This ensures the uncertainty is well controlled throughout the training. We propose a matching-based patch-wise surrogate function to better approximate uncertainty for crowd counting tasks. The proposed method pays a sufficient amount of attention to details, while maintaining a proper granularity. Altogether our method is able to generate reliable uncertainty estimation, high quality pseudolabels, and achieve state-of-the-art performance in semisupervised crowd counting.

Author

Li, Chen; Hu, Xiaoling; Abousamra, Shahira; Chen, Chao

Published

2023

Language

EN