Point Clouds: Export/Retime
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Author:  mheberlein [ Wed Feb 03, 2016 10:31 am ]
Post subject:  Point Clouds: Export/Retime

Hey there!

We're planning to use Kinect's 30fps point cloud data in a 25fps production.

Is it possible to export the full point cloud (including points with unknown depth) for each frame? This would hopefully result in consistent point indices in each frame and allow us to do a simple interpolation of values between frames.

We were thinking about recording the Kinect streams with other software, while iPi Recorder is also running. But I'd prefer to just buy the Biomech addon instead.


Author:  pas [ Mon Feb 08, 2016 7:53 am ]
Post subject:  Re: Point Clouds: Export/Retime

what you need it depth map export rather than point cloud export. Depth map is 2D structure of particular camera, in camera's coordinate system.
When constructing point cloud, we take depth data from multiple sensors and transform 2D depth maps to list of points in 3D, in a "world" coordinate system, which is the same for all cameras. Unlike depth map, point cloud is not regular texture.
We do not currently have depth map export feature, so I'm afraid you'll have to use Kinect SDK to obtain depth maps.

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