FARO User Conference 2017 -...
Transcript of FARO User Conference 2017 -...
![Page 1: FARO User Conference 2017 - faro-europe.comfaro-europe.com/3dconference2017/presentations/day_1/bs3/3... · EN-4/26/2017 Overview Overview 1. Introduction Laserscanning Europe 2.](https://reader031.fdocuments.us/reader031/viewer/2022030510/5aba837b7f8b9af27d8bbbef/html5/thumbnails/1.jpg)
FARO User Conference
2017
![Page 2: FARO User Conference 2017 - faro-europe.comfaro-europe.com/3dconference2017/presentations/day_1/bs3/3... · EN-4/26/2017 Overview Overview 1. Introduction Laserscanning Europe 2.](https://reader031.fdocuments.us/reader031/viewer/2022030510/5aba837b7f8b9af27d8bbbef/html5/thumbnails/2.jpg)
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Overview
Overview
1. Introduction Laserscanning Europe2. Overview of accessories
3. References & targets
4. Types of spheres
5. Test of checkerboard targets
6. Adapters & other accessories7. Types of tripods8. Cases, bags & backpacks
9. Accessories for scanner
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Overview
Introduction Laserscanning Europe
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Business fields
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Business field – Sale of accessories
Overview of accessories
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Overview of accessories
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References & targets
References & targets
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References & targets – Do I need targets?
Do I need targets?
• For some projects no• For some projects targets are helpful• For other projects targets are necessary
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References & targets
… for some projects no
BACKGROUND OF TARGETLESS REGISTRATION:
• Targetless registration mostly runs on cloud2cloud applications or plane adjustments.
• Cloud2cloud needs min. 60% overlapping between scan neighbours.
WHEN DOES IT WORK?
It works great if we have…- indoor scans, - limited size of room, - no recurrent geometry.
Example: room or floor of a building
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References & targets
… for some projects targets are helpful
• Like indoor scans for a larger area Algorithm works well, but a lot of scans
• Task for registration: Which scans have a correspondence to another one?
• Can take long time for finding constellation
• Using same reference points, a kind of preregistration can be generated (maybe as automatic target finding process)
• Saves time
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References & targets
… for other projects targets are necessary
• Many outdoor projects Not enough overlapping areas
• Indoor projects with huge number of scans Processing time can be incredibly long otherwise
• Indoor projects with high accuracies Cloud2cloud uses all points, even ghost points
• If you need a transformation on common points
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Accessories – Which kind of targets should I use?
Spheres
PROS
Better accuracies in fitting processes
Spherical shape allows best detectability from
all directions
Long-term objects
CONS
More tricky to handle
Placement
Checkerboards
PROS
Easy to produce
Good to handle
CONS
Complex to place –outdoor placement
Limited field of view
Not long-term if it consists of paper or
similar
Which kind of targets should I use?
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Types of spheres
Types of spheres
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Types of spheres - Is there a difference between different types of spheres?
Is there a difference between different types of spheres?
BACKGROUND: We offer different types of spheres in our shop.
WHAT WE HAVE TESTED: • Different types of spheres – accuracies from 0.1mm to
0.4mm• Different surfaces of spheres• Different lighting conditions• Different diameters of spheres
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Types of spheres
Different types of spheres – accuracies from 0.1mm to 0.4mm
For spheres, following criteria are important:
• Roundness• Surface behaviour at sunshine • Fitting of the adapter
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Types of spheres
How we tested it:
• Test area of 35 meter• Different types of LSE spheres (Basic, Flexi, UltraX, Traveler,
XXL)
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Reference sphere FLEXI
Concerning detection properties, the reference sphere Flexi is on the same level as reference sphere Basic. However, Flexi is significantly more sturdy and thus more durable than Basic.
Types of spheres
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Reference sphere UltraX
The reference sphere UltraX is the most precise one of all three standard spheres. Most scan points for calculation matching are detected on the UltraX sphere.
Types of spheres
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Reference sphere TRAVELER
The reference sphere Traveler is automatically detected in many scanner settings within up to 20 meters. The laser scanner sphere Traveler is characterized by the small pack size that is attractive especially for frequent travellers.
Types of spheres
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Reference sphere XXL
The laser scanner reference sphere XXL was designed particularly for large distances. That's why we didn't test a detection in less than 15 meters.
Types of spheres
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Types of spheres
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Types of spheres
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Types of spheres
Results
• Spheres with standard size: No significant differences (regarding accuracies, surface, lighting condition)
• XXL is less accurate (production issues)
• Amount of points is important: FARO sphere has less points resulting from smaller diameter (in our test)
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Test of checkerboard targets
Test of checkerboard targets
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Test of checkerboard targets
Comparison of checkerboard targets
SCOPE: How does the detection of targets behave with increasing distance to the scanner?
TEST AREA: • 35 meter long, • scanner FARO Focus, • 2 sizes of targets
Target 1: 24 x 21 cm Target 2: 45 x 42 cm
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Test of checkerboard targets
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Test of checkerboard targets
Large checkerboard target
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Test of checkerboard targets
Small checkerboard target
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Test of checkerboard targets
Results
• With increasing distance between target and scanner, automatically fitting doesn't work well.
• We didn't consider angles.
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Adapters & other accessories
Adapters & other accessories
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Adapters & other accessories
Target marks
Marking material
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Adapters & other accessories
Target marks
Adapters
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Adapters & other accessories
Target marks
Accessories
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Adapters & other accessories
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Types of tripods
Types of tripods
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Types of tripods
Carbon tripod with quick release
- for FARO Focus3D scanners and Trimble TX5
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Types of tripods
Aluminium telescope tripod- for FARO Focus3D scanners and Trimble TX5
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Types of tripods
2-way telescope tripod with 3D safety adapter
- for scanning at a height of up to 4m and 4.50m below the earth’ surface
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Cases, bags & backpacks
Cases, bags & backpacks
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Cases, bags & backpacks
Cases, bags & backpacks for reference spheresBackpack for scanner
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Accessories for scanner
Accessories for scanner
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Accessories for scanner
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End
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