1. High Speed 3D Imaging Technology
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2. Company Profile AT – Automation Technology GmbH
Founded in 1998
Two Main Business Divisions: IR + 3D
30 Employees, mostly Engineers
Headquarters in Bad Oldesloe near Hamburg, Germany
Worldwide Network of Partners/Sales Agents
Turnover 6,0 Mio € pa.
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3. AT – Automation Technology GmbH Product Overview
3D Triangulation Sensors
Distribution of IR Cameras IR 3D
Software Development for Temperature Monitoring, Process Control und N.D.T.
3D Compact Sensors
IP67
Turnkey Thermography Systems
Protective Housings
for IR Cameras
Software for Configuration and Calibration of 3D-Sensors.
Carbon-Check
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4. The Measuring Principle Laser Triangulation/ Sheet-of-Light
Image of Target Object
Triangulation Geometry
Example
Sensor Image of Laserline X Y Z
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5. over CameraLink or GigE-Vision
3D Technology of AT
Output of Profile Data
over CameraLink or GigE-Vision
Image Acquisition
by Means of
High Speed CMOS Sensor
Integrated
Image Processing
using FPGA technology
ADVANTAGE
Profile Frequency
up to Hz!
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6. 3D Technology of AT
Detection of Laserline position in Sensor Image using FPGA:
Selection of Different Algorithms
NEW!
MAX
TRSH
COG
FIR-PEAK
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7. Selection 5, 7 or 9 Coefficients
The 3D Algorithm FIR-Peak
NEW!
Savitzky-Golay
Selection 5, 7 or 9 Coefficients
Smoothing Filter
Differential Filter
Raw intensity data
Detection of “Zero Crossing” outputs the position of Gauss curve at a precision of 6 subpixel (1/64 pixel)
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8. 3D Technology of AT COG Intensity Profile
Line Width Profile (Laser Scatter)
Height Profile
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9. 3D Technology of AT Conveyance of Target Object Linear Stage
Conveyor Belt
Turntable
Height Image
Laser Scatter Image
Intensity Image
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10. 3D Technology of AT Advanced Laser Triangulation Functions AutoStart
The 3D image acquisition begins as soon as the laser line reaches a predefined position in the AOI. Acquired 3D data before start trigger are also available (History Mode).
Automatic AOI Search
Automatic detection of laser line position in the sensor image. Useful when scanning objects with different height.
Suppression of Disturbing Reflexions
Integrated Filtering of Line Position Data:
min < Gauss Width < max
min < Sum of Intensity < max
Reflexion
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11. 3D Technology of AT AOI Tracking
The position of AOI (AoiOffsetY) is automatically updated to track the line position in the sensor image. Advantage: High Profile Speed by Scanning a big Z-Range
AoiOffsetY=600
AoiOffsetY=400
AoiOffsetY=200
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12. 3D Technology of AT
Profile Scan of Surfaces with Inhomogeneous Reflectivity
Intensity
Sensor Rows
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13. 3D Technology of AT
HDR-3D: Scan of Surfaces with Inhomogeneous Reflectivity using Multiple Slope 1 3 2 1 3 2 1 3 2
Single Slope Mode
Dual Slope Mode
Triple Slope Mode
Intensity
Intensity
Intensity
Saturation 1
Saturation 1
Saturation 2 1 2
TS Reset Level 2 3
DS Reset Level 3
DS Reset Level 3
DS Reset Time
DS Reset Time
TS Reset Time
Integration time
Integration time
Integration time
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14. 3D Technology of AT
HDR-3D: Scan of Surfaces with Inhomogeneous Reflectivity
using Multiple Slope
Single Slope Mode
Dual Slope Mode
Triple Slope Mode
Intensity
Sensor Row
Intensity
Sensor Row
Intensity
Sensor Row
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15. Combined Height Profile
3D Technology of AT
HDR-3D: Scan of Surfaces with Inhomogeneous Reflectivity using
Non-Destructive Readout
Multiple Sensor Readout
Acquired Profile No. 1 with Exposure, t=4µs
Acquired Profile No. 2 with Exposure, t=200µs
Integrated Filtering of Profile Data
min. < Gauss Width <max.
Combined Height Profile
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16. 3D Products of AT C3 Camera Series C4 Camera Series
- Resolution 1280 x 1024 & 2352 x 1728 pixels
- Profile speed up to 47,000 Hz
CameraLink interface
GenICam compatible
C4 Camera Series
Resolution 1280 x 1024, 2048 x 1088,
2048 x 2048, 2352 x 1728, 4096 x 3072 pixels
- Profile speed up to 72,000 Hz
GigE-Vision / GenICam
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17. 3D Products of AT C2 Camera Series - Small Size, only 44 x 44 x 47 mm
Low Energy Consumption
High Industrial Protection Degree IP67
- Resolution 648 x 488 and 2048 x pixels
Profile speed up to 25,000 Hz
High Dynamic Range 3D
GigE-Vision / GenICam
Nice Price !!!
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18. 3D Products of AT C5 Camera Series NEW!!! Ultra High Resolution
C GigE: 2048 x 1088 pixels
C GigE: 3360 x 2496 pixels
C GigE: 4096 x 3072 pixels
High Industrial Protection Degree IP67
- Profile speed up to Hz
High Dynamic Range 3D
GigE-Vision / GenICam
Future Models:
72 kHz
30 kHz
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19. 3D Products of AT Mounts for Camera & Laser CX Compact Sensors IP67
Features
C4-Serie
CX-VarioMount
CX-FixMount
NEW!!!
Calibration/Correction
Perspective Distortion
Optical Aberration
Permanent Storage of Calibration Data inside the Camera!
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20. Limited Depth of Field Due to Triangulation Set-Up
3D Products of AT
A Common Issue: Limitation of Depth of Field in Triangulation Systems
Depth of Field
Line is out of focus
Limited Depth of Field Due to Triangulation Set-Up
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21. 3D Products of AT Depth of Field Enhancement with Scheimpflug Adapter
Scheimpflug angle
Depth of Field Enhancement with Scheimpflug Adapter
A Special Adapter (Camera Front Mount) enables the Tilt of Camera Sensor according to the Scheimpflug Optical Principle
Homogeneously Focused Line Image
Enhanced Depth of Field with Scheimpflug Adapter
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22. Advantages of AT 3D Cameras
Fast High Resolution
3D Profile Acquisition
Optimised for „difficult“ Surfaces and Materials with Inhomogeneous Reflektivity (HDR-3D)
Easy Software Integration with GigE Vision / CameraLink and GenICam
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23. Examples of Industrial Applications using AT 3D Cameras
Surface Inspection
Geometry Inspection
Optical Character Recognition
Assembly Verification
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24. Industries Using AT 3D Cameras
Automotive
Wood
Semiconductors
Aerospace
Railway
Food
Recycling
Steel
Pharmaceutical
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25. Thank you for your attention!
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