Line-Based Event Camera Calibration
Published:Dec 27, 2025 02:30
•1 min read
•ArXiv
Analysis
This paper introduces a novel method for calibrating event cameras, a type of camera that captures changes in light intensity rather than entire frames. The key innovation is using lines detected directly from event streams, eliminating the need for traditional calibration patterns and manual object placement. This approach offers potential advantages in speed and adaptability to dynamic environments. The paper's focus on geometric lines found in common man-made environments makes it practical for real-world applications. The release of source code further enhances the paper's impact by allowing for reproducibility and further development.
Key Takeaways
- •Proposes a line-based event camera calibration method.
- •Eliminates the need for flashing patterns and manual object placement.
- •Utilizes geometric lines from common man-made environments.
- •Employs an event-line calibration model for initial parameter estimation.
- •Demonstrates feasibility and accuracy through simulations and real-world experiments.
- •Source code is publicly available.
Reference
“Our method detects lines directly from event streams and leverages an event-line calibration model to generate the initial guess of camera parameters, which is suitable for both planar and non-planar lines.”