概括
本研究介绍了使用扭曲边缘图案进行3D形状测量的无模型方法. 这种方法通过放宽投影仪光学要求来降低成本,使3D形状测量更容易获得.
科学领域:
- 光学和光子学 在光学和光子学.
- 计量学 计量学 计量学
- 计算机视觉 计算机视觉
背景情况:
- 边缘投影特征测量 (FPP) 系统通常依赖于昂贵的投影仪和明确的数学模型.
- 高质量的投影机光学是当前FPP系统中重要的成本因素.
- 需要成本有效的FPP解决方案,适用于消费电子产品.
研究的目的:
- 介绍一种使用无模型,扭曲的边缘图案进行3D形状测量的新方法.
- 为了证明投影机光学的明确数学模型对于准确的3D测量并不必要.
- 为了在FPP系统中使用低成本投影机设计.
主要方法:
- 在不依赖其数学模型的情况下,利用扭曲的边缘图案 (圆形和夸张).
- 使用这些没有模型的扭曲图案进行了3D形状测量.
- 通过将结果与标准水平图案进行比较,评估了3D重建的准确性.
主要成果:
- 通过使用圆形 (0.047毫米) 和形 (0.049毫米) 模式实现了可比的根平均平方误差 (RMSE) 来进行3D重建.
- 没有模型的扭曲图案的准确性与标准水平图案 (0.036 mm RMSE) 的准确性相当.
- 在没有明确投影仪系统模型的情况下,证明了3D形状测量的可行性.
结论:
- 拟议的无模型扭曲边缘图案方法显著降低了对投影仪光学质量的要求.
- 这种技术为边缘投影特征测量中低成本投影仪设计提供了可能性.
- 该方法可扩展到各种异常和扭曲的边缘模式,扩大了成本敏感领域的FPP应用.
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