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Table 2 Image-based reconstruction processing results

From: Image-based metric heritage modeling in the near-infrared spectrum

Case study

1

2

3

4

Spectrum

VIS

NIR

VIS

NIR

VIS

NIR

VIS

NIR

VIS

NIR

VIS

NIR

VIS

NIR

Software

AMP

AMP

AMP

AMP

FZA

FZA

AMP

AMP

FZA

FZA

AMP

AMP

FZA

FZA

Sparse cloud

 Images aligned

180

180

22

22

22

22

40

40

40

40

60

60

60

60

 Matching time [mm:ss]

05:16

14:46

00:34

00:29

04:02

04:02

01:16

01:07

07:08

07:14

01:55

01:23

43:56

11:59

 Alignment time [mm:ss]

05:33

07:33

00:09

00:15

01:08

01:30

00:15

00:17

01:19

00:58

01:19

00:47

04:31

03:05

 Tie points [1000]

454

151

94

87

28

28

81

71

43

44

420

236

132

123

 Projections [1000]

1434

467

364

353

341

253

212

208

217

215

1270

643

803

667

 Reprojection error [pixels]

0.65

0.72

0.58

0.69

0.82

0.83

0.90

0.93

1.08

1.10

0.35

0.48

0.47

0.50

Dense cloud

 Processing time [mm:ss]

1:43:36

1:57:41

08:17

08:52

16:53

18:00

07:07

07:48

37:19

29:27

14:27

15:15

42:16

43:49

 Point count [1000]

14676

15122

5879

5394

1748

1840

25554

26542

6527

4276

10005

10082

3959

3960

Mesh

 Processing time [mm:ss]

08:35

15:14

01:41

01:22

03:35

03:35

13:40

14:33

08:49

09:02

02:58

02:58

03:34

03:21

Texture

 Processing time [mm:ss]

44:49

38:00

72:45

03:15

02:26

02:063

03:04

02:58

07:07

06:57

29:46

22:23

09:50

08:09

Overall

 Total time [h:mm:ss]

2:47:49

3:13:14

1:23:26

0:14:13

0:28:04

0:29:13

0:25:22

0:26:43

1:01:42

0:53:38

0:50:25

0:42:46

1:44:07

1:10:23