A Comparative Study on Edge Detection Algorithms for Automotive Lighting Systems
DOI:
https://doi.org/10.54097/prk9p067Keywords:
Canny Operator, Marr-Hildreth Operator, Edge Detection, Headlamp Inspection, Image ProcessingAbstract
To address the challenges of edge blurring, noise interference, and insufficient adaptability of conventional algorithms in automotive headlamp inspection, this study proposes an optimized edge detection method integrating the Canny and Marr-Hildreth operators. Leveraging Gaussian filtering and a dynamic weighting fusion strategy, the proposed approach combines the gradient sensitivity of the Canny operator with the second-order differential characteristics of the Marr-Hildreth operator, effectively balancing detail preservation and noise suppression. Experimental results demonstrate that the improved algorithm significantly reduces edge localization errors in low-beam images compared to traditional methods, meeting the engineering requirements for automotive safety inspection.
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