如何从kinect深度视频恢复相机旋转?
我使用 Kinect 和 openNI 录制固定角度的序列深度视频。
我想做的是从视频中恢复虚拟相机旋转,以便我可以模拟从顶视图拍摄的视频。
我知道我的身体可以做到这一点。即便如此,我仍然需要进行一些校准并稍微恢复相机旋转。
我应该从哪里开始?
I use Kinect and openNI to record an sequence depth video with fixed angle.
What I want to do is to recover virtual camera rotation from the video, so that I can simulate the video is taking from the top view.
I know I can physically to do that. Even so, I still need to do some calibration and recover camera rotation a little bit.
Where should I start from?
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该问题本身被称为“相机姿势估计”。您可能想查看有关此主题的可用文献,ROS 操作系统中也应该有它的实现。在用于完成此任务的技术中,还有从机器人领域借用的 Structure From Motion 和 VSLAM 算法:-)
The problem itself is known as "Camera Pose Estimation". You may want to look at the available literature about this topic, there should be also an implementation of it inside ROS operating system. Among the technique used to accomplish this task, there are also Structure From Motion and VSLAM algorithms borrowed from the robotics field :-)