Scene: scene0496_00 (source dataset: scannet)
Grounding level: space_level — Situation Understanding
Referring expression: Imagine you are sitting at the head of the conference table. On the wall directly in front of you, in the center of the blackboard that spans the entire wall, hangs a projection screen with a thickness of 0.01 meters, a length of 1.5 meters, and a height of 2 meters.
Ground-truth 3D box: width 0.01 m, length 1.5 m, height 2 m; center (-2.66999999999999, 0.05, 2.01); rotation angle 0