Agisoft PhotoScanProcessing Report

27 August 2015

Survey Data

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9

> 9

Fig. 1. Camera locations and image overlap.

Number of images: 750

Flying altitude: 44.3971 m

Ground resolution: 0.018806 m/pix

Coverage area: 0.300041 sq km

Camera stations: 750

Tie-points: 83640

Projections: 505313

Error: 1.33612 pix

Camera Model Resolution Focal Length Pixel Size Precalibrated

HERO3+ Black Edition (2.77 mm) 4000 x 3000 2.77 mm 1.59798 x 1.59798 um No

Table. 1. Cameras.

Camera Calibration

1 pixFig. 2. Image residuals for HERO3+ Black Edition (2.77 mm).

HERO3+ Black Edition (2.77 mm)

Type: Frame

Fx: 1895.64

Fy: 1897.84

Cx: 1993.46

Cy: 1471.59

Skew: 0.696409

K1: -0.012979

K2: 0.0116147

K3: -0.0030211

K4: 0

P1: -0.00339494

P2: -0.00112756

Ground Control Points

101102

103104

105

106

107

108

109

110

111

112 113

114

115

116

Fig. 3. GCP locations.

Label X error (m) Y error (m) Z error (m) Error (m) Projections Error (pix)

101 0.000000 0.000000 0.000000 0.000000

102 0.000000 0.000000 0.000000 0.000000

103 -0.016225 -0.010865 0.010836 0.022332 12 0.030767

104 -0.000000 -0.000000 0.000000 0.000000

105 0.014223 0.007675 -0.008185 0.018116 20 0.059831

106 -0.000000 0.000000 0.000000 0.000000

107 -0.025723 -0.058234 -0.012102 0.064802 13 0.163054

108 0.000000 -0.000000 0.000000 0.000000

109 0.000000 0.000000 -0.000000 0.000000

110 0.021388 0.030707 -0.003893 0.037623 9 0.112386

Label X error (m) Y error (m) Z error (m) Error (m) Projections Error (pix)

111 0.038730 0.027414 0.002188 0.047501 10 0.083570

112 -0.010092 0.008471 0.050084 0.051789 4 0.088579

113 0.000000 -0.000000 0.000000 0.000000

114 0.000000 -0.000000 -0.000000 0.000000

115 0.000000 0.000000 -0.000000 0.000000

116 -0.022308 -0.005178 -0.038847 0.045095 12 0.145845

Total 0.015174 0.018305 0.016523 0.028954 80 0.105991

Table. 2. Control points.

Digital Elevation Model

674.537 m

716.651 m

Fig. 4. Reconstructed digital elevation model.

Resolution: 0.150448 m/pix

Point density: 44.1802 points per sq m