An Optimization Technique of the 3D Indoor Map Data Based on an Improved Octree Structure

Table 4

Simulated retrieval operation parameters.

Times	1st	2nd	3rd	4th	5th
Data number	10	15	8	18	20
Room 1 (ID, objects number)	132, 4	122, 8	225, 3	124, 10	227, 5
Room2	131, 4	225, 4	228, 5	123, 4	124, 9
Room3	237, 2	132, 3	—	227, 4	228, 6