A binocular vision cooperative measurement method with line structured light

Li Chen; Jingbo Zhou; Zhehai Zhou; Guoqing Hu

doi:10.1117/12.2687273

27 November 2023 A binocular vision cooperative measurement method with line structured light

Li Chen, Jingbo Zhou, Zhehai Zhou, Guoqing Hu

Proceedings Volume 12767, Optoelectronic Imaging and Multimedia Technology X; 127670E (2023) https://doi.org/10.1117/12.2687273
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

In line structured light vision measurement, due to the occlusion of the object, the complete information might not be collected. We propose a method to acquire the object’s all point data by dual-camera cooperative measurement. First, the transformation models between cameras and motion coordinates are constructed. Subsequently, the light plane is calibrated by special points from the images of the calibration plate which is raised 3 times with an appointed distance. Finally, the data points are fused and optimized with particular matrix. The results show that the average fusion error is reduced from 0.5668 mm to 0.1253 mm. This method improves the reconstruction accuracy greatly.

Citation Download Citation

Li Chen, Jingbo Zhou, Zhehai Zhou, and Guoqing Hu "A binocular vision cooperative measurement method with line structured light", Proc. SPIE 12767, Optoelectronic Imaging and Multimedia Technology X, 127670E (27 November 2023); https://doi.org/10.1117/12.2687273

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KEYWORDS

Cameras

Imaging systems

Calibration

Point clouds

Data conversion

Data fusion

Matrices

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