A 3D Optical solution to Navigation Michael Flynn€¦ · A 3D Optical solution to Navigation...

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WWW.CATHXOCEAN,COM A 3D Optical solution to Navigation Michael Flynn

Transcript of A 3D Optical solution to Navigation Michael Flynn€¦ · A 3D Optical solution to Navigation...

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WWW.CATHXOCEAN,COM

A 3D Optical solution to Navigation

Michael Flynn

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Introduction

Cathx Ocean Founded in 2009

Subsea Imaging and Machine Vision company

Speaker: Michael Flynn CTO & Co Founder

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Industry Challenge

Cost of Survey?

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Data Quality?

Cost of the Ship?

No Automation

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Path to Efficiency

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Reduce ship time through speed

Long endurance AUV

Resident Vehicle

Automate the processing of data

Automate ROV task

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Automation

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Automation need to be reliable and trusted.

Corroborating High Quality data

Automation starts with Data Quality

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Data Automation

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Data Management- Object Store – Images & meta data- Machine Vision Libraries & ‘Applications’- Survey results – Events, Anomalies - Tiered Storage -> Cost effective- Cloud and/or data centre Services

Data Acquisition- Stills - Laser 3-D- Measurement- Navigation- Meta data

Machine Vision ‘Applications’- Pipe Tracking- Freespan detection- Ovality Measurement- Object detection- Change Detection- Image based Navigation- 2-D Mosaics- 3-D Photogrammetry…Using Shape detection & Geometric analysis

Business Intelligence

(Analysis & Visualization)

- Integrity Management - Survey Results- Survey Analysis- Survey Comparisons- Trends/Changes- Map Viewer- GIS integration- Application performance- KPIs

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• Laser Density

• Laser Range

• Laser Accuracy & Resolution

3D Laser

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1 Triangulation based 3D laser scanner

2 Lidar – Time of Flight Scanner

What is 3D Laser

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Laser 3D Machine Vision

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How we capture it

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We call it Sequential imaging

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23 April 2016

Turbidity

Range

Density

Calibration

Laser challenges

Positioning

?

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Accuracy & Resolution

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Up to 2m laser system local resolution <1mm in X,Y&Z

At 5m laser system local resolution is <2mm in X,Y&Z

Using conventional methods this high local resolution might be placed inches out of position.

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The positioning challenge

Mooring Chain inspection

Infield 3D Survey

Metrology

Out of straightness

Hull Inspection

Damage survey

Observation class ROV survey

Riser InspectionTunnel/in-pipe inspection

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A way forward

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A way forward

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Full Colour 3D Laser

UHD Stills

3-D Laser Point CloudImage processingUsing proprietaryreal time techniques

Full Colour 3-D Laser Point Cloud- Much Faster than photogrammetry- More reliable across multiple surfaces- Standard formats

- x,y,z, RGB- Range, Bearing, Tilt, RGB

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Challenges• Calibration & Accuracy

– Well under way at present.

• Full Automation

– QC as you acquire..

– Dynamic Machine Vision based imaging

– Too late in the office

• Go Real-time

– Optimise solution for modern HW

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Vs Traditional Navigation+ Potentially much more accurate

- Doesn’t know where it is on the planet..local/relative position

only

• Can be used in tandem to clean traditional navigation

• Can be used instead where only local accuracy counts

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The Future

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Accuracy

- Metrology level inspection

-Completely non contact target less inspection

-Measurement on the fly for operational efficiency

Speed

-SLAM (Simultaneous Location and Mapping)

- ROV Control & Automation

- Resident Vehicle enabling technology

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Thank You!

For more information please contact :

Michael FlynnEmail: [email protected]: +353 45 252786