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alexsax / 2D-3D-Semantics

The data skeleton from Joint 2D-3D-Semantic Data for Indoor Scene Understanding
http://3dsemantics.stanford.edu
Apache License 2.0
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Camera pose #50

Open kimkj38 opened 1 year ago

kimkj38 commented 1 year ago

Thanks for your great work first. And I have some questions about the camera pose data.

  1. As I understand, "final_camera_rotation" and "camera_rt_matrix" should have inverse relation. But when I made inverse matrix of "final_camera_rotation", the signs of the second and third rows are opposite. Did I miss something? image

  2. I can get "final_camera_rotation" by applying "rotation_from_original_to_point" to the "camera_original_rotation". But I don't understand the meaning of "camera_original_rotation". I thought that it would be a camera rotation of the first frame but it isn't. What is it and why do we need it?

xuxiaoxxxx commented 10 months ago

Can you slove this problem? I also don't konw how to proj 3D into 2D image.

Geniusly-Stupid commented 10 months ago

I also meet this problem. May I ask how to establish the pose_matrix from "pose.json" so that the point cloud can be transformed to global coordinate?