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- W4380994265 abstract "Event cameras triggered a paradigm shift in the computer vision community delineated by their asynchronous nature, low latency, and high dynamic range. Calibration of event cameras is always essential to account for the sensor intrinsic parameters and for 3D perception. However, conventional image-based calibration techniques are not applicable due to the asynchronous, binary output of the sensor. The current standard for calibrating event cameras relies on either blinking patterns or event-based image reconstruction algorithms. These approaches are difficult to deploy in factory settings and are affected by noise and artifacts degrading the calibration performance. To bridge these limitations, we present E-Calib, a novel, fast, robust, and accurate calibration toolbox for event cameras utilizing the asymmetric circle grid, for its robustness to out-of-focus scenes. The proposed method is tested in a variety of rigorous experiments for different event camera models, on circle grids with different geometric properties, and under challenging illumination conditions. The results show that our approach outperforms the state-of-the-art in detection success rate, reprojection error, and estimation accuracy of extrinsic parameters." @default.
- W4380994265 created "2023-06-17" @default.
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- W4380994265 date "2023-06-15" @default.
- W4380994265 modified "2023-09-27" @default.
- W4380994265 title "E-Calib: A Fast, Robust and Accurate Calibration Toolbox for Event Cameras" @default.
- W4380994265 doi "https://doi.org/10.48550/arxiv.2306.09078" @default.
- W4380994265 hasPublicationYear "2023" @default.
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