Kapp Schoultz

Processing Report

27 January 2022

Survey Data

1 2 3 4 5 6 7 8 9 > 9 1 km

Fig. 1. Camera locations and image overlap.

Number of images: 328 Flying altitude: 592 m Ground resolution: 14 cm/pix Coverage area: 3.36 km² Camera stations: 328 Tie points: 64,147 Projections: 955,030 Reprojection error: 0.532 pix
Camera Model Resolution Focal Length Pixel Size Precalibrated
L1D-20c (10.26mm) 5472 x 3648 10.26 mm 2.41 x 2.41 μm No

Table 1. Cameras.

Camera Calibration

1 pix

Fig. 2. Image residuals for L1D-20c (10.26mm).

L1D-20c (10.26mm)

328 images

Type Resolution Focal Length Pixel Size Frame 5472 x 3648 10.26 mm 2.41 x 2.41 μm
Value Error F Cx Cy B1 B2 K1 K2 K3 K4 P1 P2
F 4339.33 0.062 1.00 0.01 0.53 -0.93 0.06 -0.10 0.09 -0.08 0.07 -0.02 0.10
Cx 9.85888 0.068 1.00 0.09 -0.01 0.28 -0.00 -0.00 0.00 -0.00 0.97 0.06
Cy -41.5807 0.066 1.00 -0.73 0.13 -0.02 -0.00 0.01 -0.02 0.05 0.50
B1 -6.60036 0.074 1.00 -0.08 0.00 0.01 -0.01 0.02 0.02 -0.18
B2 -2.80574 0.044 1.00 -0.01 0.00 -0.00 0.00 0.11 0.07
K1 0.00249003 3.8e-05 1.00 -0.97 0.92 -0.87 0.00 -0.03
K2 -0.00119719 0.00026 1.00 -0.99 0.96 -0.00 -0.01
K3 0.0245154 0.00073 1.00 -0.99 0.00 0.01
K4 -0.0451118 0.00067 1.00 -0.00 -0.02
P1 0.000726199 4.8e-06 1.00 0.05
P2 -0.00271357 1.7e-06 1.00

Table 2. Calibration coefficients and correlation matrix.

Camera Locations

1 km -3.5 m -2.8 m -2.1 m -1.4 m -0.7 m 0 m 0.7 m 1.4 m 2.1 m 2.8 m 3.5 m x 50

Fig. 3. Camera locations and error estimates.

Z error is represented by ellipse color. X,Y errors are represented by ellipse shape.

Estimated camera locations are marked with a black dot.

X error (m) Y error (m) Z error (m) XY error (m) Total error (m)
1.32514 1.30845 0.97998 1.86227 2.10438

Table 3. Average camera location error.

X - Longitude, Y - Latitude, Z - Altitude.

Digital Elevation Model

-20 m 500 m 1 km

Fig. 4. Reconstructed digital elevation model.

Resolution: 56.2 cm/pix Point density: 3.17 points/m²

Processing Parameters

General
Cameras 328
Aligned cameras 328
Coordinate system WGS 84 (EPSG::4326)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 64,147 of 103,798
RMS reprojection error 0.326369 (0.532035 pix)
Max reprojection error 1.17747 (35.5643 pix)
Mean key point size 1.41206 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 17.3789
Alignment parameters
Accuracy Highest
Generic preselection No
Reference preselection No
Key point limit 40,000
Tie point limit 4,000
Exclude stationary tie points No
Guided image matching No
Adaptive camera model fitting Yes
Matching time 2 hours 8 minutes
Matching memory usage 1.30 GB
Alignment time 7 minutes 13 seconds
Alignment memory usage 188.62 MB
Optimization parameters
Parameters f, b1, b2, cx, cy, k1-k4, p1, p2
Adaptive camera model fitting No
Optimization time 15 seconds
Software version 1.7.2.12040
File size 29.33 MB
Depth Maps
Count 328
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 20 minutes 39 seconds
Memory usage 1.70 GB
Software version 1.7.2.12040
File size 509.70 MB
Dense Point Cloud
Points 12,579,280
Point colors 3 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 20 minutes 39 seconds
Memory usage 1.70 GB
Dense cloud generation parameters
Processing time 26 minutes 43 seconds
Memory usage 4.68 GB
Software version 1.7.2.12040
File size 261.22 MB
Model
Faces 838,618
Vertices 423,584
Vertex colors 3 bands, uint8
Texture 4,096 x 4,096 x 10, 4 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 20 minutes 39 seconds
Memory usage 1.70 GB
Reconstruction parameters
Surface type Arbitrary
Source data Dense cloud
Interpolation Enabled
Strict volumetric masks No
Processing time 4 minutes 49 seconds
Memory usage 6.78 GB
Texturing parameters
Mapping mode Generic
Blending mode Mosaic
Texture size 4,096
Enable hole filling Yes
Enable ghosting filter Yes
UV mapping time 2 minutes 53 seconds
UV mapping memory usage 3.87 GB
Blending time 3 minutes 58 seconds
Blending memory usage 5.41 GB
Software version 1.7.2.12040
File size 234.47 MB
Tiled Model
Texture 3 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 20 minutes 39 seconds
Memory usage 1.70 GB
Reconstruction parameters
Source data Dense cloud
Tile size 256
Face count Medium
Enable ghosting filter No
Processing time 43 minutes 43 seconds
Memory usage 3.05 GB
Software version 1.7.2.12040
File size 293.30 MB
System
Software name Agisoft Metashape Professional
Software version 1.7.2 build 12040
OS Windows 64 bit
RAM 127.78 GB
CPU Intel(R) Core(TM) i9-10900 CPU @ 2.80GHz
GPU(s) NVIDIA GeForce RTX 2080 SUPER