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Hoe kontrôle punten en PPK gegevens beynfloedzje de relative krektens fan 3D model

Yn dizze twa eksperiminten hawwe wy fjouwer ferskillende fariabelen yntrodusearre om de relative krektens fan it 3D-model te ferifiearjen. De fjouwer ferskillende fariabelen binne:

1: Carrier drone types: in VTOL drone as in multi-rotor drone

2: ferskillende GSD

3: Mei / Sûnder grûn kontrôle punten

4: Mei/Sûnder PPK-gegevens

Eksperimint 1: it effekt fan grûnkontrôlepunten (GCP's) op 'e relative krektens fan it 3D-model;

Betingst 1

Drager drone

Oblique kamera

GSD

PPK

CW10 VTOL

DG4 pros

2cm

Ja

Resultattabel 1:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder GCP

3D model lingte (L2) mei GCP

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.20

7.21

0.01

0,00

 

8.706

8.71

8.68

0,00

0.03

 

10.961

10.87

10,90

0.09

0.06

2

7.010

6.89

6.98

0.12

0.03

3

1.822

1.79

1.80

0.03

0.02

4

10.410

10.39

10.40

0.02

0.01

5

10.718

10.67

10.70

0.05

0.02

6

13.787

13.75

13.77

0.04

0.02

7

11.404

11.39

11.39

0.01

0.01

 

12.147

12.13

12.13

0.02

0.02

8

7.526

7.51

7.49

0.02

0.04

 

13.797

13.79

13.81

0.01

-0.01

9

10.374

10.35

10.36

0.02

0.01

10

2.109

2.03

2.02

0.08

0.09

 

4.281

4.15

4.16

0.13

0.12

11

14.675

14.61

14.66

0.07

0.02

 

8.600

8,60

8.54

0,00

0.06

12

13.394

13.37

13.35

0.02

0.04

13

12.940

12.88

12.89

0.06

0.05

14

7.190

7.20

7.18

-0.01

0.01

15

13.371

13.36

13.35

0.01

0.02

 

6.435

6.40

6.41

0.03

0.02

16

3.742

3.75

3.72

-0.01

0.02

17

6.022

5.97

5.98

0.05

0.04

18

3.937

3.93

3.89

0.01

0.05

19

8.120

8.10

8.12

0.02

0,00

 

14.411

14.40

14.40

0.01

0.01

20

6.077

6.04

6.03

0.04

0.05

21

13.696

13.65

13.66

0.05

0.04

RMSE: Ds1=0.0342m, Ds2=0.0308m

Betingst 2

Drager drone

Oblique kamera

GSD

PPK

CW10 VTOL

DG4 pros

2cm

Nee

Resultattabel 2:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder GCP

3D model lingte (L2) mei GCP

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.18

7.18

0.030

0.030

 

8.706

8.69

8.68

0.016

0.026

 

10.961

10.89

10.91

0.071

0.051

2

7.010

6.88

6.92

0.130

0.090

3

1.822

1.76

1.79

0.062

0.032

4

10.410

10.38

10.39

0.030

0.020

5

10.718

10.65

10.66

0.068

0.058

6

13.787

13.72

13.77

0.067

0.017

7

11.404

11.41

11.38

-0.006

0.024

 

12.147

12.13

12.12

0.017

0.027

8

7.526

7.44

7.47

0.086

0.056

 

13.797

13.83

13.83

-0.033

-0.033

9

10.374

10.35

10.34

0.024

0.034

10

2.109

1.98

2.03

0.129

0.079

 

4.281

4.14

4.18

0.141

0.101

11

14.675

14.55

14.59

0.125

0.085

 

8.600

8.58

8.57

0.020

0.030

12

13.394

13.36

13.35

0.034

0.044

13

12.940

12.95

12.92

-0.010

0.020

14

7.190

7.21

7.21

-0.020

-0.020

15

13.371

13.36

13.36

0.011

0.011

 

6.435

6.37

6.43

0.065

0.005

16

3.742

3.74

3.72

0.002

0.022

17

6.022

6.03

6.00

-0.008

0.022

18

3.937

3.91

3.94

0.027

-0.003

19

8.120

8.09

8.09

0.030

0.030

 

14.411

14.40

14.41

0.011

0.001

20

6.077

6.06

6.03

0.017

0.047

21

13.696

13.68

13.65

0.016

0.046

RMSE: Ds1=0.0397m, Ds2=0.0328m

Betingst 3

Drager drone

Oblique kamera

GSD

PPK

CW10 VTOL

DG4 pros

1,5 sm

Ja

Resultattabel 3:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder GCP

3D model lingte (L2) mei GCP

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.20

7.21

0.01

0,00

 

8.706

8.69

8.7

0.02

0.01

 

10.961

10.88

10.89

0.08

0.07

2

7.010

6.87

6.99

0.14

0.02

3

1.822

1.75

1.78

0.07

0.04

4

10.410

10.38

10.39

0.03

0.02

5

10.718

10.69

10.69

0.03

0.03

6

13.787

13.78

13.76

0.01

0.03

7

11.404

11.38

11.39

0.02

0.01

 

12.147

12.12

12.12

0.03

0.03

8

7.526

7.49

7.51

0.04

0.02

 

13.797

13.78

13.8

0.02

0,00

9

10.374

10.34

10.35

0.03

0.02

10

2.109

2.02

2.11

0.09

0,00

 

4.281

4.21

4.28

0.07

0,00

11

14.675

14.65

14.68

0.03

0,00

 

8.600

8.57

8.53

0.03

0.07

12

13.394

13.40

13.37

-0.01

0.02

13

12.940

12.89

12.91

0.05

0.03

14

7.190

7.18

7.2

0.01

-0.01

15

13.371

13.38

13.35

-0.01

0.02

 

6.435

6.46

6.4

-0.03

0.03

16

3.742

3.75

3.71

-0.01

0.03

17

6.022

5.97

5.98

0.05

0.04

18

3.937

3.91

3.89

0.03

0.05

19

8.120

8.08

8.1

0.04

0.02

 

14.411

14.38

14.39

0.03

0.02

20

6.077

6.05

6.03

0.03

0.05

21

13.696

13.67

13.64

0.03

0.06

RMSE: Ds1=0.0328m, Ds2=0.0249m

Betingst 4

Drager drone

Oblique kamera

GSD

PPK

CW10 VTOL

DG4 pros

1,5 sm

Nee

Resultattabel 4:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder GCP

3D model lingte (L2) mei GCP

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.20

7.21

0.010

0

 

8.706

8.65

8.68

0.056

0.026

 

10.961

10,90

10.87

0.061

0.091

2

7.010

6.86

6.88

0.150

0.13

3

1.822

1.76

1.76

0.062

0.062

4

10.410

10.37

10.38

0.040

0.03

5

10.718

10.68

10.72

0.038

-0.002

6

13.787

13.71

13.79

0.077

-0.003

7

11.404

11.38

11.38

0.024

0.024

 

12.147

12.12

12.13

0.027

0.017

8

7.526

7.49

7.53

0.036

-0.004

 

13.797

13.77

13.78

0.027

0.017

9

10.374

10.35

10.37

0.024

0.004

10

2.109

2.09

2.11

0.019

-0.001

 

4.281

4.19

4.28

0.091

0.001

11

14.675

14.64

14.67

0.035

0.005

 

8.600

8.57

8.58

0.030

0.02

12

13.394

13.38

13.39

0.014

0.004

13

12.940

12.91

12.9

0.030

0.04

14

7.190

7.20

7.19

-0.010

0

15

13.371

13.38

13.37

-0.009

0.001

 

6.435

6.43

6.42

0.005

0.015

16

3.742

3.70

3.7

0.042

0.042

17

6.022

5.99

5.98

0.032

0.042

18

3.937

3.94

3.91

-0.003

0.027

19

8.120

8.12

8.07

0.000

0.05

 

14.411

14.37

14.38

0.041

0.031

20

6.077

6.04

6.04

0.037

0.037

21

13.696

13.65

13.65

0.046

0.046

RMSE: Ds1=0.0356m, Ds2=0.0259m

Betingst 5

Drager drone

Oblique kamera

GSD

PPK

DJI M600 Pro Multi-rotor

DG4 pros

1,5 sm

Nee

Resultattabel 5:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder GCP

3D model lingte (L2) mei GCP

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.19

7.21

0.02

0,00

 

8.706

8,70

8,70

0.01

0.01

 

10.961

10.91

10.91

0.05

0.05

2

7.010

6.98

6.98

0.03

0.03

3

1.822

1.79

1.80

0.03

0.02

4

10.410

10.39

10.39

0.02

0.02

5

10.718

10.69

10.70

0.03

0.02

6

13.787

13.76

13.75

0.03

0.04

7

11.404

11.38

11.38

0.02

0.02

 

12.147

12.12

12.13

0.03

0.02

8

7.526

7,50

7.49

0.03

0.04

 

13.797

13.77

13.79

0.03

0.01

9

10.374

10.33

10.35

0.04

0.02

10

2.109

2.02

2.07

0.09

0.04

 

4.281

4.20

4.21

0.08

0.07

11

14.675

14.65

14.66

0.03

0.02

 

8.600

8.57

8.57

0.03

0.03

12

13.394

13.35

13.35

0.04

0.04

13

12.940

12.92

12.93

0.02

0.01

14

7.190

7.17

7.18

0.02

0.01

15

13.371

13.35

13.36

0.02

0.01

 

6.435

6.41

6.42

0.02

0.01

16

3.742

3.70

3.71

0.04

0.03

17

6.022

5.99

6.00

0.03

0.02

18

3.937

3.89

3.91

0.05

0.03

19

8.120

8.08

8.10

0.04

0.02

 

14.411

14.36

14.35

0.05

0.06

20

6.077

6.06

6.06

0.02

0.02

21

13.696

13.65

13.67

0.05

0.03

RMSE: Ds1=0.0342m, Ds2=0.0256m

Konklúzjes

De fariabelen fan eksperimint 1 binne:

1: Mei/Sûnder PPK-gegevens.

2: Carrier drone types: in VTOL drone as in multi-rotor drone

3: ferskillende GSD: 1,5 sm of 2 sm

Nei analyze fan de fiif sets fan eksperimintele gegevens, kinne wy ​​lûke de folgjende konklúzjes:

As de skuorre kamera DG4Pros is:

(1) Mei/Sûnder grûnkontrôlepunt (GCP) belutsen by de AT-triangulaasje, of it no in VTOL of in multi-rotor drone is, oft de GSD 2cm of 1.5cm is, kin it 3D-model boud troch skuorre kamera DG4Pros de easken fan relative krektens flater Ds≤10cm.

(2) As mei / sûnder GCP's de ienige fariabele is, is de relative krektens fan it 3D-model mei GCP's better dan dat sûnder GCP.

(3) As de GSD de ienige fariabele is, is de relative krektens fan it 3D-model dat GSD 1.5cm better is dan dat GSD 2cm.

(4) As de dragerdrone de ienige fariabele is, is de relative krektens fan it 3D-model dat it brûken fan multi-rotor better is dan dat mei VTOL as dragerdrone.

Eksperimint 2: Sûnder GCP's, it effekt fan PPK-gegevens op 'e relative krektens fan it 3D-model

Betingst 1

Drager drone

Oblique kamera

GSD

GCPs

CW10 VTOL

DG4 pros

2cm

NEE

Resultattabel 1:

Oantal Objekten

mjitting lingte (L0)

3D model lingte (L1) sûnder PPK

3D model lingte (L2) mei PPK

Ds1(L0-L1)

Ds2(L0-L2)

1

7.210

7.18

7.20

0.030

0.01

 

8.706

8.69

8.71

0.016

0,00

 

10.961

10.89

10.87

0.071

0.09

2

7.010

6.88

6.89

0.130

0.12

3

1.822

1.76

1.79

0.062

0.03

4

10.410

10.38

10.39

0.030

0.02

5

10.718

10.65

10.67

0.068

0.05

6

13.787

13.72

13.75

0.067

0.04

7

11.404

11.41

11.39

-0.006

0.01

 

12.147

12.13

12.13

0.017

0.02

8

7.526

7.44

7.51

0.086

0.02

 

13.797

13.83

13.79

-0.033

0.01

9

10.374

10.35

10.35

0.024

0.02

10

2.109

1.98

2.03

0.129

0.08

 

4.281

4.14

4.15

0.141

0.13

11

14.675

14.55

14.61

0.125

0.07

 

8.600

8.58

8,60

0.020

0,00

12

13.394

13.36

13.37

0.034

0.02

13

12.940

12.95

12.88

-0.010

0.06

14

7.190

7.21

7.20

-0.020

-0.01

15

13.371

13.36

13.36

0.011

0.01

 

6.435

6.37

6.40

0.065

0.03

16

3.742

3.74

3.75

0.002

-0.01

17

6.022

6.03

5.97

-0.008

0.05

18

3.937

3.91

3.93

0.027

0.01

19

8.120

8.09

8.10

0.030

0.02

 

14.411

14.40

14.40

0.011

0.01

20

6.077

6.06

6.04

0.017

0.04

21

13.696

13.68

13.65

0.016

0.05

RMSE Ds1=0.0397m, Ds2=0.0342m