Urban Llandscape Design and Maintenance Management Based on Multisource Big Data Fusion

Table 3

Statistics of plane and elevation errors of feature inspection points/cm.

Category	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
ΔXf	4	5	−5	−2	−6	−7	−6	5	8	10	9	−7	6	7	11	14	7	−9
ΔXb	3	−3	3	2	5	4	−5	3	5	−7	6	5	−6	4	7	9	6	−6
ΔYf	7	−9	12	9	7	6	8	6	5	−7	10	11	7	8	13	8	9	−11
ΔYb	5	−6	11	8	6	3	5	−3	5	6	8	8	−6	4	10	7	5	6
Δhf	10	13	−21	9	18	15	19	12	−10	12	15	20	22	17	−23	−16	18	17
Δhb	6	6	12	5	10	−6	10	8	7	8	11	−12	13	10	13	−10	6	9