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The Rolling Shutter Effect in UAV Photogrammetry

By

Riadh Munjy, Ph. D., P.E.

Professor of Civil and Geomatics Engineering

riadhm@csufresno.edu

Jacob Lopez

Graduate Student

jakelopez1@mail.fresnostate.edu

California State University, Fresno

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Figure 1

Figure 2

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Control Layout A (15 GCP)

Control Layout B (13 GCP)

Control Layout C (11 GCP)

Control Layout D (9 GCP)

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Control Layout E (5 GCP)

Table 1

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Software I: Rolling Shutter Correction OFF

Z-Error Planimetric Error Statistics Summary

15gcp cm

CP 82

GCP 15

RMSEx 10.58

RMSEy 9.13

RMSEz 6.33

Std_dx 10.56

Std_dy 9.15

Std_dz 6.37

absavg_dx 9.17

absavg_dy 7.87

absavg_dz 4.90

avg_dx 1.37

avg_dy 0.79

avg_dz -0.12

maxdx 18.71

maxdy 16.46

maxdz 12.77

mindx -20.21

mindy -19.29

mindz -16.98

Table 2.a.

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Software II: Rolling Shutter Correction OFF Z-Error Planimetric Error Statistics Summary

15gcp cm

CP 82

GCP 15

RMSEx 2.44

RMSEy 2.78

RMSEz 5.76

Std_dx 2.37

Std_dy 2.78

Std_dz 5.77

absavg_dx 1.99

absavg_dy 2.19

absavg_dz 4.68

avg_dx 0.61

avg_dy 0.36

avg_dz 0.51

maxdx 6.72

maxdy 6.39

maxdz 12.34

mindx -4.66

mindy -7.62

mindz -11.97

Table 2.b.

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Software III: Rolling Shutter Correction OFF

Z-Error Planimetric Error Statistics Summary

15gcp cm

CP 82

GCP 15

RMSEx 7.91

RMSEy 7.42

RMSEz 4.16

Std_dx 7.90

Std_dy 7.44

Std_dz 4.16

absavg_dx 6.74

absavg_dy 5.88

absavg_dz 3.27

avg_dx 0.99

avg_dy 0.61

avg_dz 0.47

maxdx 16.2

maxdy 19.71

maxdz 9.29

mindx -16.46

mindy -18.15

mindz -10.67

Table 2.c.

Table 3

GCP Software Sx (cm) Sy (cm) Sz (cm) Horizontal Systematic Error Vertical Doming

15 I 10.58 9.13 6.33 Yes Yes

II 2.44 2.78 5.76 No Yes

III 7.91 7.42 4.16 Yes Yes

13 I 12.02 8.82 7.06 Yes Yes

II 2.50 2.99 5.77 No Yes

III 12.02 9.76 6.97 Yes Yes

11 I 10.06 9.88 5.82 Yes Yes

II 2.64 3.15 6.02 No Yes

III 9.51 10.74 9.92 Yes Yes

9 I 12.41 9.56 5.52 Yes Yes

II 2.71 3.14 6.10 No Yes

III 11.61 10.42 10.04 Yes Yes

5 I 16.10 10.79 7.40 Yes Yes

II 2.77 3.19 10.68 No Yes

III 15.45 11.08 12.15 Yes Yes

Shutter Model OFF

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Software II: Rolling Shutter Correction

Z-Error Planimetric Error Statistics Summary

15gcp cm

CP 82

GCP 15

RMSEx 2.33

RMSEy 2.40

RMSEz 3.44

Std_dx 2.33

Std_dy 2.40

Std_dz 3.41

absavg_dx 1.92

absavg_dy 1.75

absavg_dz 2.75

avg_dx 0.27

avg_dy 0.19

avg_dz 0.60

maxdx 5.27

maxdy 5.10

maxdz 8.44

mindx -5.23

mindy -9.25

mindz -6.74

Table 4.a.

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Software III: Rolling Shutter Correction

Z-Error Planimetric Error Statistics Summary

15gcp cm

CP 82

GCP 15

RMSEx 2.93

RMSEy 2.86

RMSEz 3.79

Std_dx 2.94

Std_dy 2.87

Std_dz 3.80

absavg_dx 2.33

absavg_dy 2.10

absavg_dz 3.03

avg_dx 0.23

avg_dy 0.21

avg_dz -0.34

maxdx 6.66

maxdy 7.72

maxdz 7.09

mindx -6.87

mindy -9.28

mindz -9.39

Table 4.b.

Table 5

GCP Software Sx (cm) Sy (cm) Sz (cm) Horizontal Systematic Error Vertical Doming

15 II 2.33 2.40 3.44 No No

III 2.93 2.86 3.79 No No

13 II 2.40 2.80 4.00 No No

III 3.37 3.47 6.55 No No

11 II 2.39 2.53 4.14 No No

III 3.38 4.67 10.04 No No

9 II 2.40 2.70 4.40 No No

III 3.60 5.23 10.52 No No

5 II 4.78 5.03 9.98 Yes Yes

III 8.21 8.29 8.46 Yes Yes

Shutter Model ON