A versatile handheld tracking target: Experimental validation of coordinate and surface measurements

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-04-07 DOI:10.1016/j.optlastec.2025.112869

Junkai Duan , Feifei Gu , Jize Li , Jixin Liang , Zhan Song

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引用次数: 0

Abstract

In photogrammetry, developing specialized measurement equipment tailored to diverse scenarios and requirements often results in heightened operational complexity and increased costs. To mitigate these challenges, this study introduces a Versatile Handheld Tracking Target (VHT-T) utilizing infrared markers. The VHT-T offers seamless integration with various terminal devices, ensuring a cost-effective and efficient solution for measurement needs. The VHT-T adopts a multi-marker staggered planar constraint structure, and a marker detection and tracking algorithm has been developed to enhance its robustness and adaptability. Experimental results demonstrate that the system achieves stable matching within the range of

- 4 0^{\circ}

+ 4 0^{\circ}

when rotating around the X-axis and Y-axis, while maintaining robust matching across the full

36 0^{\circ}

range when rotating around the Z-axis. This paper further explores the integration of the VHT-T with two typical terminal devices: (1) when combined with a measurement probe, forming Combined Structure A (CS-A), representing contact-based measurement. For this configuration, a self-calibration algorithm based on rotational spherical constraints and a multi-station tracking method are proposed, achieving handheld coordinate measurement functionality; (2) when combined with a structured light camera, forming Combined Structure B (CS-B), representing non-contact measurement. For this configuration, a self-calibration algorithm based on third-party corner features and a multi-station stitching method are introduced to facilitate handheld surface measurement. These two integration methods provide a feasible reference framework for combining the VHT-T with other terminal devices. Experimental results demonstrate that the VHT-T system can meet tracking requirements in various scenarios for both coordinate and surface measurements, achieving efficient and stable performance.

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一种多功能手持跟踪目标：坐标和表面测量的实验验证

在摄影测量中，根据不同的场景和要求开发专门的测量设备往往会导致操作复杂性的增加和成本的增加。为了缓解这些挑战，本研究引入了一种利用红外标记的多功能手持跟踪目标（VHT-T）。VHT-T可与各种终端设备无缝集成，确保为测量需求提供经济高效的解决方案。VHT-T采用多标记交错平面约束结构，开发了一种标记检测与跟踪算法，增强了其鲁棒性和自适应性。实验结果表明，该系统在绕x轴和y轴旋转时，能在−40到+40°的范围内实现稳定的匹配，而在绕z轴旋转时，能在整个360°的范围内保持稳定的匹配。本文进一步探讨了VHT-T与两种典型终端器件的集成：(1)与测量探头结合，形成组合结构a (CS-A)，代表接触式测量。针对这一配置，提出了基于旋转球面约束的自标定算法和多站跟踪方法，实现了手持坐标测量功能；(2)与结构光相机结合，形成组合结构B (CS-B)，代表非接触测量。针对该配置，引入基于第三方角点特征的自校准算法和多工位拼接方法，方便手持曲面测量。这两种集成方法为VHT-T与其他终端设备的结合提供了可行的参考框架。实验结果表明，VHT-T系统可以满足各种场景下坐标测量和曲面测量的跟踪要求，性能稳定高效。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems