MVTec Software GmbH
 

3D 标定

HALCON 特色技术
标定
手眼标定可实现机器人抓握应用。

通过 3D 标定可以建立相机与相应对象之间的关系。在机器人应用中,还可以确定机器人和相机之间的关系。这项技术可以对您的面扫描或线扫描相机进行清晰准确的描述:通过一组内部和外部相机参数,将图像坐标映射到真实世界坐标。

MVTec 的软件附带有用于标定内部和外部相机参数的算子及开发辅助程序。在标定时,可以使用hypercentric、针孔和远心面扫描相机以及线扫描相机采集的图像。

标定功能包括:

  • 旋转相机和镜头失真的自标定
  • 标定镜头失真并应用于校正图像、轮廓和点
  • 将轮廓和点(相机坐标)转换为真实世界坐标
  • 图像校正(去除镜头和透视失真)
  • 用于将相机坐标转换为机器人坐标的手眼标定
3D 标定 - 最高精准度
镜头校正前。
3D 标定 - 最高精准度
校正后。

最高精准度

为了在机器视觉应用中达到最高精度,标定是至关重要的。MVTec 的软件可以帮助您轻松标定相机。借助功能强大的算子和精密制作的标定板,可以消除图像中的镜头失真,并使用世界坐标测量物体。

多视角 3D 标定
可以在存在透视失真的情况下测量卡尺上的距离。
多视角 3D 标定
标定后图像。

多视角 3D 标定

通过在整个相机视场中任意放置的标定板的多个图像,可以清晰精确地计算视场的 3D 坐标映射,并且可以校正复杂失真。利用标定过程获得的内部和外部相机参数,可将来自相机的图像坐标映射为用户可以理解的真实世界坐标。MVTec 的标定过程可以在 10 mm 视野范围内进行亚像素准确测量,精准度可达 1 μm,也可使用线扫描相机。HALCON 的手眼标定在机器人应用中起着至关重要的作用。除此之外,HALCON 还为 Scheimpflug 光学系统提供标定,并为 SCARA 机器人提供手眼标定。

标定板
32cm×32cm 标定板
标定板
2cm×2cm 标定板

标定板

MVTec 为客户提供精密制作的标定板。为了精确标定机器视觉设备,它们是必不可少的。MVTec 的标定板提供不同材质,尺寸从 2cm×2cm 到 32cm×32cm 不等。请联系您当地的合作伙伴,以便协助您选择适合您应用的标定板尺寸和材质。

请注意,标定板仅面向 MVTec 软件客户提供。

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