Deltaneset

Processing Report

15 February 2022

Survey Data

1 2 3 4 5 6 7 8 9 > 9 200 m

Fig. 1. Camera locations and image overlap.

Number of images: 96 Flying altitude: 39.6 m Ground resolution: 9.9 mm/pix Coverage area: 0.0273 km² Camera stations: 95 Tie points: 123,122 Projections: 296,902 Reprojection error: 0.166 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)

96 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 K1 K2 K3 P1 P2
F 4327.97 0.49 1.00 -0.02 -0.77 0.18 0.14 -0.12 -0.03 -0.06
Cx 51.9933 0.4 1.00 0.04 -0.09 0.09 -0.09 0.89 0.05
Cy -32.3009 0.55 1.00 0.02 -0.04 0.04 0.02 0.46
K1 0.00308801 5.3e-05 1.00 -0.76 0.72 -0.10 -0.04
K2 0.035832 0.00026 1.00 -0.99 0.09 0.08
K3 -0.0353676 0.00043 1.00 -0.09 -0.07
P1 0.00291119 2.6e-05 1.00 0.05
P2 -0.0030276 1.2e-05 1.00

Table 2. Calibration coefficients and correlation matrix.

Camera Locations

200 m -80 cm -64 cm -48 cm -32 cm -16 cm 0 cm 16 cm 32 cm 48 cm 64 cm 80 cm x 6

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)
3.82599 0.969534 0.349792 3.94692 3.96239

Table 3. Average camera location error.

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

Digital Elevation Model

-50 m -26 m 200 m

Fig. 4. Reconstructed digital elevation model.

Resolution: 4.46 cm/pix Point density: 503 points/m²

Processing Parameters

General
Cameras 96
Aligned cameras 95
Coordinate system WGS 84 (EPSG::4326)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 123,122 of 295,607
RMS reprojection error 0.110452 (0.16622 pix)
Max reprojection error 1.2596 (3.27208 pix)
Mean key point size 1.49563 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 3.12854
Alignment parameters
Accuracy Highest
Generic preselection Yes
Reference preselection No
Key point limit 60,000
Tie point limit 0
Exclude stationary tie points Yes
Guided image matching No
Adaptive camera model fitting No
Matching time 12 minutes 29 seconds
Matching memory usage 2.51 GB
Alignment time 2 minutes 46 seconds
Alignment memory usage 98.74 MB
Optimization parameters
Parameters f, cx, cy, k1-k3, p1, p2
Adaptive camera model fitting No
Optimization time 4 seconds
Software version 1.7.2.12040
File size 17.79 MB
Depth Maps
Count 92
Depth maps generation parameters
Quality High
Filtering mode Mild
Processing time 5 minutes 31 seconds
Memory usage 2.01 GB
Software version 1.7.2.12040
File size 505.54 MB
Dense Point Cloud
Points 60,567,992
Point colors 3 bands, uint8
Depth maps generation parameters
Quality High
Filtering mode Mild
Processing time 5 minutes 31 seconds
Memory usage 2.01 GB
Dense cloud generation parameters
Processing time 1 hours 21 minutes
Memory usage 5.19 GB
Software version 1.7.2.12040
File size 1.54 GB
Model
Faces 11,995,706
Vertices 6,007,484
Vertex colors 3 bands, uint8
Texture 4,096 x 4,096 x 10, 4 bands, uint8
Depth maps generation parameters
Quality High
Filtering mode Mild
Processing time 5 minutes 31 seconds
Memory usage 2.01 GB
Reconstruction parameters
Surface type Arbitrary
Source data Dense cloud
Interpolation Enabled
Strict volumetric masks No
Processing time 7 minutes 53 seconds
Memory usage 7.82 GB
Texturing parameters
Mapping mode Generic
Blending mode Mosaic
Texture size 4,096
Enable hole filling Yes
Enable ghosting filter Yes
UV mapping time 3 minutes 41 seconds
UV mapping memory usage 3.96 GB
Blending time 2 minutes 45 seconds
Blending memory usage 7.68 GB
Software version 1.7.2.12040
File size 790.88 MB
Tiled Model
Texture 3 bands, uint8
Depth maps generation parameters
Quality High
Filtering mode Mild
Processing time 5 minutes 31 seconds
Memory usage 2.01 GB
Reconstruction parameters
Source data Dense cloud
Tile size 256
Face count High
Enable ghosting filter No
Processing time 1 hours 9 minutes
Memory usage 3.16 GB
Software version 1.7.2.12040
File size 1.32 GB
System
Software name Agisoft Metashape Professional
Software version 1.7.2 build 12040
OS Windows 64 bit
RAM 127.71 GB
CPU Intel(R) Xeon(R) Gold 5122 CPU @ 3.60GHz
GPU(s) Quadro P5000