Mr. Wenpeng Wang Profile

Wenpeng Wang

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Proceedings Article | 13 April 2018 Paper

Real-time stop sign detection and distance estimation using a single camera

Wenpeng Wang, Yuxuan Su, Ming Cheng

Proceedings Volume 10696, 106962A (2018) https://doi.org/10.1117/12.2309793

KEYWORDS: Cameras, Roads, Image processing

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In modern world, the drastic development of driver assistance system has made driving a lot easier than before. In order to increase the safety onboard, a method was proposed to detect STOP sign and estimate distance using a single camera. In STOP sign detection, LBP-cascade classifier was applied to identify the sign in the image, and the principle of pinhole imaging was based for distance estimation. Road test was conducted using a detection system built with a CMOS camera and software developed by Python language with OpenCV library. Results shows that that the proposed system reach a detection accuracy of maximum of 97.6% at 10m, a minimum of 95.00% at 20m, and 5% max error in distance estimation. The results indicate that the system is effective and has the potential to be used in both autonomous driving and advanced driver assistance driving systems.

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