Research on tree barrier measurement method based on monocular image depth estimation

Xiaofei Mu; Hongxi Liu; Jun Fang

doi:10.1117/12.3004894

20 October 2023 Research on tree barrier measurement method based on monocular image depth estimation

Xiaofei Mu, Hongxi Liu, Jun Fang

Proceedings Volume 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023); 1291605 (2023) https://doi.org/10.1117/12.3004894
Event: Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 2023, Kunming, China

Abstract

Tree barrier plays a vital role in transmission lines, and its existence directly affects the stable supply of electricity. Therefore, it is necessary to measure and inspect the tree barrier. For this purpose, this paper proposes a measurement method based on monocular image depth estimation. In this method, the LSD (Line Segment Detector) algorithm is used to detect the straight line, and the RANSAC (RANdom SAmple Consensus) algorithm is used to iteratively detect the vanishing point, and the vanishing point coordinates are successfully obtained. The camera calibration is carried out to determine the pixel coordinates of the object in the image and to obtain the internal and external parameters and rotation matrix of the camera. Through coordinate system transformation, the depth estimation of the target in the world coordinate system and the distance between any tree lines can be accurately calculated. Finally, the height of the camera is used as the reference height to complete the measurement of the tree barrier around the wire, and the experimental results show that the method has certain feasibility and the error is controlled within a reasonable range.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiaofei Mu, Hongxi Liu, and Jun Fang "Research on tree barrier measurement method based on monocular image depth estimation", Proc. SPIE 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 1291605 (20 October 2023); https://doi.org/10.1117/12.3004894

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KEYWORDS

Cameras

Image analysis

Distance measurement

Detection and tracking algorithms

Ranging

Binocular vision

Camera calibration

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