Papers › EDformer: Transformer-Based Event Denoising Across Varied Noise Levels
EDformer: Transformer-Based Event Denoising Across Varied Noise Levels
Bin Jiang1⋆, Bo Xiong2⋆, Bohan Qu1, M. Salman Asif3, You Zhou4†, and Zhan Ma1†
Currently, there is relatively limited research on the background activity noise of event cameras in different brightness conditions, and the relevant real-world datasets are extremely scarce. This limitation contributes to the lack of robustness in existing event denoising algorithms when applied in practical scenarios. This paper addresses this gap by collecting and analyzing background activity noise from the DAVIS346 event camera under different illumination conditions. We introduce the first real-world event denoising dataset, ED24, encompassing 21 noise levels and noise annotations. Furthermore, we propose EDformer, an innovative event-by-event denoising model based on transformer. This model excels in event denoising by learning the spatiotemporal correlations among events across varied noise levels. In comparison to existing denoising algorithms, the proposed EDformer achieves state-of-the-art performance in denoising accuracy, including open-source datasets and datasets captured in practical scenarios with low-light intensity requirements such as zebrafish blood vessels imaging.
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