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ztzhang avatar ztzhang commented on July 4, 2024

The camera distance should be consistent with the XML files, as we assume the distance functions are discretized in a unit cube in global space, since all the models are normalized.

The values are distances in metric space, therefore usually on a magnitude of 1 / voxel_size.

from genre-shapehd.

yuchenrao avatar yuchenrao commented on July 4, 2024

Thanks a lot for your quick reply!

Here are my understanding based on your answers, please correct me if I am wrong. So in order to get correct tdf:

  1. Get a depth image (depth_im) form the dataset and its corresponding camera pose in the world_frame (camera_pose)
  2. Use util_sph.render_spherical(data, mask), and pass camera_pose to tdf = depth_to_mesh_df(depth_im, th, False, 1.0, camera_pose), then replace t.camera.position = camera_pose
  3. final_tdf = tdf * voxel_size

Does this seem correct?
One more question is that how can I get voxel_size? By using (depth_max - depth_min) / 128?

from genre-shapehd.

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