Vehicle speed measurement method using monocular cameras

Abstract This paper proposes a method for fast and accurate vehicle speed measurement based on a monocular camera. Firstly, by establishing a new camera imaging model, the calibration method for variable focal lengths is optimized, simplifying the transformation process between the four coordinate s...

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Bibliographic Details
Published in:	Scientific Reports
Main Authors:	Hao Lian, Meian Li, Ting Li, Yongan Zhang, Yanyu Shi, Yikun Fan, Wenqian Yang, Huilin Jiang, Peng Zhou, Haibo Wu
Format:	Article
Language:	English
Published:	Nature Portfolio 2025-01-01
Subjects:	Monocular vision Two-dimensional positioning Camera calibration YOLOv7 DeepSORT
Online Access:	https://doi.org/10.1038/s41598-025-87077-6

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