通过使用模具标记器实现精确的摄影计量
Iñigo Auzmendi Iriarte1, Oier Saez de Egilaz1, Pedro Gonzalez de Alaiza Martinez1
1IDEKO Research Center, Basque Research and Technology Alliance (BRTA), 20870 Elgoibar, Spain.
Sensors (Basel, Switzerland)
|January 8, 2025
概括
这项研究引入了用于自动摄影仪的模具标记器,减少了人工劳动. 这些嵌入式十字形标记器提高了工业应用中的准确性和可用性.
科学领域:
- 这是一种摄影计量技术 (photogrammetry).
- 计算机视觉 计算机视觉
- 材料科学 材料科学 材料科学
背景情况:
- 传统的基于标记器的摄影计量是劳动密集型的,因为手动的贴纸应用和删除.
- 现有的方法在点测量方面缺乏自动化和效率.
- 复合材料件制造通常涉及可以利用的集成功能.
研究的目的:
- 开发一个使用集成成模具标记器的自动摄影计量系统.
- 提高复合材料3D测量的精度和效率.
- 调查用于用于可靠标记器检测的极度成像的使用.
主要方法:
- 开发了一种两阶段标记器检测算法:更快的R-CNN用于初始检测和经典交叉中心检测用于准确的定位.
- 利用直接嵌入到复合材料件中的高起,十字形成型标记器.
- 研究了极度度图像的性能,以提高在不同照明条件下的检测速度.
主要成果:
- 获得了0.170mm/m的中位光谱精度 (IQR:0.0690.368mm/m).
- 使用极度测量成像,即使在不利的照明下,也证明了高的检测率和准确性.
- 验证了系统的可行性,用于准确和自动化的摄影仪表.
结论:
- 模具标记器为复合材料制造中的光度计提供了一个可行的,自动化的解决方案.
- 拟议的两阶段检测算法与极度测量成像相结合,可确保高精度和稳定性.
- 与传统方法相比,这种方法显著提高了自动化和可用性.
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