in friendly relations with:
DESCRIPTION
Drakkar‘s technologies in use: real time 3D cartography, topography & civil engineering works. Mobile mapping with Drakkar‘s PolyScan: methodology, metrological and algorithmic support.”. Partner and representative of:. In friendly relations with:. … and others. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/1.jpg)
Drakkar‘s technologies in use: real time 3D cartography, topography & civil engineering works.
Mobile mapping with Drakkar‘s PolyScan: methodology, metrological and algorithmic support.”
![Page 2: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/2.jpg)
LIDAR mobile technologies from Drakkar ltd.
In friendly relations with:
Partner and representative of:
… and others
![Page 3: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/3.jpg)
LIDAR mobile technologies from Drakkar ltd.
Drakkar’s main directions of activity:
- Geodesy & Topography- Map making- Mine survey- Architectural and cultural heritage survey- Archeological survey- …- Aerial photography & Lidar (Laser scanning) survey.
The company is ISO 9001 certified
![Page 4: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/4.jpg)
LIDAR mobile technologies from Drakkar ltd.
Our approach:
1) “Home-made” geodetic tools (apparatus, software) and technologies.2) Technological partners up to the mark – Microsoft-Vexcel, Terrasolid, AHAB, …3) Searching for “borderline” own technologies.
![Page 5: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/5.jpg)
LIDAR mobile technologies from Drakkar ltd.
-All equipment can be mounted on a car, fixed wing plane or helicopter.- The effective accuracy within 1 cm can be expected while using a car as a carier.- The survey can be implemented with an unlimited speed (theoretically).
… just put into operation:
![Page 6: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/6.jpg)
LIDAR mobile technologies from Drakkar ltd.
Functional scheme includes:- Laser scanner- GPS- Inertial Measurement Unit- Digital metric photo camera- Computer for data storage and control- Software
Laser repetition rate: 24 kHzMaximum range: 2000 mMission duration: practically unlimited
![Page 7: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/7.jpg)
LIDAR mobile technologies from Drakkar ltd.
Can be mounted on:
Cars
Carriages
Planes and helicoptersAnd also:-Boats-Balloons-Paragliders- Unmanned systems,- …
![Page 8: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/8.jpg)
LIDAR mobile technologies from Drakkar ltd.
Pulse repetition rate 24 kHz Productivity 11 kHz (oscillating mode )
8 kHz (rotating mode)Range finder accuracy Better than 5 cm (at flight altitude less than 300
m)
Better than 10 cm (at flight altitude less than 1000 m)
Better than 20 cm (at flight altitude less than 2000 m)
Planimetric (X,Y) accuracy
1/5000 * H, where H is a flight elevation
Reply registration mode
First, Last
Field of view 80 ° across the flight direction Power consumption 350 WtWeight 19 kg
![Page 9: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/9.jpg)
LIDAR mobile technologies from Drakkar ltd.
Interesting features:1)Extremely light.
2)Can scan in “swings mode” or vertically.
![Page 10: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/10.jpg)
LIDAR mobile technologies from Drakkar ltd.
Resolution (H × V) 6576 × 4384Sensor Kodak KAI-29050Sensor Size (Optical Format) Progressive Scan Interline 35 mmSensor Type Transfer CCDPixel Size 5.5 μm × 5.5 μmMax. Frame Rate 5 fps
Current Drakkar’s camera:
Just introduced:
Price about 10 000 Euro
· 72 images per second in full resolution· 25 MPixel Sensor resolution· Very compact housing· CoaxPress high-speed Interface· Monochrome or color sensor· Real-time image data transfer
Price principally the same
![Page 11: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/11.jpg)
LIDAR mobile technologies from Drakkar ltd.
Colored 3D clouds:
Related tasks:-Data fusion (Riegl, Novatel, Waypoint, Drakkar, …)- Off-set measurement.- Lidar and camera calibration.- others.
Distance: 200 m
![Page 12: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/12.jpg)
LIDAR mobile technologies from Drakkar ltd.
Applications:
“Regular” man-made object (Power Lines, for example)
![Page 13: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/13.jpg)
LIDAR mobile technologies from Drakkar ltd.
Examples:That’s what we have - point clouds.
What to do with point clouds?
Distance: 50 m
![Page 14: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/14.jpg)
LIDAR mobile technologies from Drakkar ltd.
That’s what we need: mathematical models
+ IR data+ data fusion algorithms
Remark: Lidar to Thermovison fusion is standard now
![Page 15: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/15.jpg)
Innovative Lidar Solutions Conference, June 26, 2009
Power Lines Lidar Survey:
Main goals:
Full automation of wire, cables and other similar 1-D object recognition (done!) Insulators, wires break points (derivative break) Tower detection, recognition and geopositioning: - with a priory defined exact frame model (done!) - without (know how to do)
![Page 16: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/16.jpg)
Innovative Lidar Solutions Conference, June 26, 2009
Wires and other similar 1-D object detection in noisy environment
![Page 17: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/17.jpg)
LIDAR mobile technologies from Drakkar ltd.
Applications:
Surface modeling and making cross-sections
![Page 18: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/18.jpg)
LIDAR mobile technologies from Drakkar ltd.
![Page 19: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/19.jpg)
Rendering: making naturally looking models
![Page 20: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/20.jpg)
Making cross-sections in AutoCAD format (Israel road agency)
![Page 21: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/21.jpg)
Cross-section accuracy estimations
No worse than 50 cm
No worse than 5 cm
No worse than 2 cm
![Page 22: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/22.jpg)
LIDAR mobile technologies from Drakkar ltd.
Applications:
Dispersed objects (forest)
![Page 23: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/23.jpg)
3-D reconstruction and modeling of a tree stand structure and a separate trees
A Possibility for Topography Detection Under Forest Canopy
Innovative Lidar Solutions Conference, June 26, 2009
![Page 24: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/24.jpg)
DSM local maximums – to detect probable stem position
ii yx
E
N
Ni 1
![Page 25: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/25.jpg)
Empirical distribution lines for larch trees by morphometric indices of stems and crowns and approximated by Weibull distribution: а) - DBH, b) - H, c) – Dcr, d) - Lcr., e) - Scr., f)
- G f (Dcr.)
а)
12
34
56
78
910
D 1.3 , cm
0
10
20
30
40
N,
item
b )
12
34
56
78
910
H, m
0
10
20
30
N,
item
c )
0 1 2 3 4
Dcr ., m
0
20
40
60
N, i
tem
d )
1 2 3 4 5 6 7 8
Lcr ., m
0
10
20
30
N, i
tem
e )
0 1 2 3 4 5 6 7 8 9
Scr ., m 2
0
10
20
30
40
N,
item
f)
0 1 2 3 4
Dcr ., m
0.000
0.005
0.010
0.015
0.020
0.025
G, m
2
Innovative Lidar Solutions Conference, June 26, 2009
![Page 26: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/26.jpg)
Under canopy object detection
Unselected points
Selected points
Result
Innovative Lidar Solutions Conference, June 26, 2009
Arial photo
![Page 27: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/27.jpg)
LIDAR mobile technologies from Drakkar ltd.
Intermediate conclusions:
-Drakkar technologies and skills cover all above-water part of any lidar (as well sonar) bathymetrical project.- Drakkar is especially strong in alliance with its friendly companies, such as Airborne Hydrography, Terrasolid, Marine Construction.
Final reminderA lot of additional information on modern lidars, photogrammetry, geospatial modeling will be delivered at:
![Page 28: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/28.jpg)
LIDAR mobile technologies from Drakkar ltd.
Combining laser scanning and digital photography:- Making photorealistic 3D models .- Clear detection of traffic lane marking.- Making ortophotomaps.
![Page 29: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/29.jpg)
LIDAR mobile technologies from Drakkar ltd.
Conclusions
-Using Mobile Liders have a number of decisive technical and economical advantages for making civil engineering works for roads, real roads, runways and other similar objects: accuracy within 1-2 cm, direct geopositioning, productivity up to 30 km per day.- Main technological stages (calibration, data acquiring, office processing) are automated which guarantees achieving reliable output materials.- Output includes precise 3D models including DTM, DSM, deformation, edges, crevices, cavities, traffic lane marking and so on. -Drakkar ltd. is fully equipped and has an extensive experience for any kinds of mobile laser scanning works in Israel and globally.
![Page 30: In friendly relations with:](https://reader036.vdocument.in/reader036/viewer/2022062517/568137fa550346895d9fbed9/html5/thumbnails/30.jpg)
LIDAR mobile technologies from Drakkar ltd.
Thank you!