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Table 1 Basic information for Tongji Rockery and Qiuxia Rockery

From: Cave feature extraction and classification from rockery point clouds acquired with handheld laser scanners

Class

Tongji Rockery

Qiuxia Rockery

Length

2.994 m

1.091 m

Width

1.692 m

0.906 m

Height

2.352 m

1.455 m

Land area

3.312 m2

0.321 m2

Volume

2.259 m3

0.229 m3