1. S3DIS包含的语义类别：13类
ceiling floor wall column beam
window door table chair bookcase
sofa board clutter
2. Matterport3D语义类别：31类
wall objects door chair window ceiling picture floor misc lighting
cushion table cabinet curtain plant shelving sink mirror chest tower
stairts railing column counter stool bed sofa shower applicnecs toilet
tv seating clothes fireplace bathtub beam furniture gym equip blinds board
3. ScanNet语义类别：统计分割结果的11类
floor wall chair table window bed sofa tv objs. furn. ceiling
