[英]How can i have 2D bounding box on a sequence of RGBD frames from a 3D bounding box in point clouds?
i have a 3d point clouds of my object by using Open3d reconstruction system ( makes point clouds by a sequence of RGBD frames) also I created a 3d bounding box on the object in point clouds my question is how can I have 2d bounding box on all of the RGB frames at the same coordinates of 3d bounding box? i have a 3d point clouds of my object by using Open3d reconstruction system ( makes point clouds by a sequence of RGBD frames) also I created a 3d bounding box on the object in point clouds my question is how can I have 2d bounding box on all在 3d 边界框的相同坐标的 RGB 帧? my idea Is to project 3d bb to 2d bb but as it is clear, the position of the object is different in each frame, so I do not know how can i use this approach?我的想法是将 3d bb 投影到 2d bb 但很明显,object 的 position 在每个帧中都不同,所以我不知道如何使用这种方法i appreciate any help or solution, thanks我感谢任何帮助或解决方案,谢谢
OpenCV has functions for some of these operations and supports you with matrix math for the rest. OpenCV 具有用于其中一些操作的函数,并支持您使用 rest 的矩阵数学运算。
I would guess that Open3d gives you pose matrices for all the cameras.我猜 Open3d 会为您提供所有相机的姿势矩阵。 you use those to transform from the world coordinate frame to any camera's frame.您可以使用它们从世界坐标系转换到任何相机的框架。
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