Geospatial Cloud Computing

(1)

Startups and Open Source Projects

The Cases of OpenWebGlobe and 3D

Mapping for Urban Infrastructure Management

Prof. Dr. Stephan Nebiker Prof. Dr. Stephan Nebiker

FHNW University of Applied Sciences and Arts Northwestern Switzerland Institute of Geomatics Engineering, Muttenz, Switzerland

Institute of Geomatics Engineering, Muttenz, Switzerland

Geospatial World Forum, Geneva, 9

Geospatial Cloud Computing - Perspectives for

Startups and Open Source Projects

OpenWebGlobe and 3D Vision Mobile

Infrastructure Management

FHNW University of Applied Sciences and Arts Northwestern Switzerland Institute of Geomatics Engineering, Muttenz, Switzerland

Institute of Geomatics Engineering, Muttenz, Switzerland

Geospatial World Forum, Geneva, 9th _{May 2014}

(2)

Motivation

New geospatial technologies and solutions …

… often create / produce / process / involve

… require massive storage capacities, processing power and

success high network bandwidths

potentially massive financial investments

Cloud Computing as a solution?

/ involve Big Data

massive storage capacities, processing power and in case of

potentially massive financial investments

(3)

Key Factors for new Geospatial Startups Great new ideas

mixed with enthusiasm & enterpreneurship mixed with enthusiasm & enterpreneurship

Meet the expectations

short time to market with minimal financial investments short time to market with minimal financial investments

Don't disappoint – also in the event of success!

be prepared for rapid and massive scaling exploitation capacities

The answer Cloud Computing

enterpreneurship enterpreneurship

short time to market with minimal financial investments short time to market with minimal financial investments

also in the event of success!

and massive scaling of storage, processing and

(4)

Outline

Introduction / Motivation Introduction / Motivation

OpenWebGlobe – An Open Source Virtual Globe Technology

– Background and Vision – Characteristics

– Solution – Solution

infra3D – 3D Vision Mobile Mapping for Urban Infrastructure Management Conclusion and Outlook

An Open Source Virtual Globe Technology

3D Vision Mobile Mapping for Urban Infrastructure Management

(5)

Virtual Globes & Startups – earlier lessons

(6)

Virtual Globes & Startups – earlier lessons

(Updated) Vision

Provide an interactive Virtual Globe Provide an interactive Virtual Globe

supporting up-to-date, open and customer data with high-levels of detail on a global scale …

... without a Google budget

(Updated) Vision

Provide an interactive Virtual Globe technology Provide an interactive Virtual Globe technology date, open and customer data

detail on a global scale … ... without a Google budget!

(7)

• 3rd generation Virtual Globe without plugins modern webbrowsers, using WebGL

modern webbrowsers, using WebGL

• Open Source Project started in April 2011

(based on C++ version started in 2005) (based on C++ version started in 2005)

• JavaScript Library for rapid development web-based 3D geoinformation applications • Full integration into customer web sites

• Runs on Windows, MacOS X, Linux

• Broad support for geospatial data types maps, elevation, 3d objects, point clouds

maps, elevation, 3d objects, point clouds

Geospatial World Forum 2014, Geneva

plugins for in April 2011 development of applications sites types: imagery, clouds … clouds … 7 7 Geospatial World Forum 2014, Geneva

(8)

Demo http://world.openwebglobe.org

world.openwebglobe.org

(9)

Architecture Solution #1:

Preprocessing all tiles in the cloud

download visible data fragments data fragments (tiles) (Web-) Viewer HTML5 JavaScript JavaScript WebGL for 3D

Other Data Sources

WMS, WMTS, TMS, ... Postgres / PostGIS Postgres / PostGIS 3DPS (in Future) Generate tiles Generate tiles (for Streaming)

Upload Raw data to Cloud (or web server)

(or web server)

Raw: Image, Elevation,

3D-Geospatial World Forum 2014, Geneva 9 Raw: Image, Elevation,

(10)

Architecture Solution #2:

Partial Preprocessing Tiles & On-The-Fly

Hybrid Cloud Solution

Fly Tile Generation and Caching

10 Geospatial World Forum 2014, Geneva

(11)

HPC: 120 TB Data (900MB/s), > 50 CPU Cores in combination with the Cloud

(12)

Showcase: Streaming 3D-Geometry Tiles

Bachelor Thesis / Master Thesis @FHNW IVGI

Image courtesy of BTh Hürbi/Daetwyler, MTh Lucas Oertli,

2013

Tiles (from OSM data & Buildings of Interest)

Bachelor Thesis / Master Thesis @FHNW IVGI

MapData © OpenStreetMap contributors 12

(13)

On-the-fly generation and streaming of 3D city models

(14)

Outline

Introduction / Motivation Introduction / Motivation

OpenWebGlobe – An Open Source Virtual Globe Technology

infra3D – 3D Vision Mobile Mapping for Urban Infrastructure Management

– Vision

– Characteristics – Solution

Conclusion and Outlook

An Open Source Virtual Globe Technology

(15)

The vast majority of Mobile Mapping relies on Laserscanning So why Imagery and why 3D Image-based Mobile Mapping?

The vast majority of Mobile Mapping relies on Laserscanning based Mobile Mapping?

(16)

An estimated 90% of Mobile Mapping relies on Laserscanning So why Imagery and why 3D Image-based Mobile Mapping?

A picture is worth a thousand words! and

Humans see and think in images Humans see and think in images

not in point clouds!

An estimated 90% of Mobile Mapping relies on Laserscanning based Mobile Mapping?

A picture is worth a thousand words! and

Humans see and think in images Humans see and think in images

not in point clouds!

(17)

Vision

The 3D Geoinformation Loop

based on Intelligent 3D Intelligent 3D Image Spaces Research Projects SmartMobileMapping (*) SmartMobileMapping (*) infraVIS (*)

(*) supported by the Commission for

(*) supported by the Commission for Technology and Innovation CTI

(18)

3D Vision Mobile Mapping – Acquisition Systems Mobile Platform

– Motor Vehicle, Aircraft, UAV, Train, Boat … – Motor Vehicle, Aircraft, UAV, Train, Boat …

Multiple Stereo Systems

– high-performance Stereo – high-performance industry cameras – up to 11 MP, 5 to 30 fps Stereo Cameras – up to 11 MP, 5 to 30 fps – up to 5 stereo systems (i.e. 10 cameras)

Onboard data storage

– highly parallel

– 1-2 TB per hour

Geospatial World Forum 2014, Geneva Acquisition Systems Stereo Cameras (oblique) Laser Scanner

Motor Vehicle, Aircraft, UAV, Train, Boat …

GNSS RX INS

(oblique)

Motor Vehicle, Aircraft, UAV, Train, Boat …

Multi-Stereo Mobile Mapping System

Geospatial World Forum 2014, Geneva 18

Multi-Stereo Mobile Mapping System by iNovitas AG (www.invovitas.ch )

(19)

3D Vision Mobile Mapping – Components and Workflow

(20)

3D Point Coordinate Determination Accuracy

(MSc Project Cavegn, 2010; Bachelor Thesis Arnold, 2011)

Empirical Standard Deviations of Coordinate Differences

– stereovision mobile mapping vs. tachymetry (reference) – stereovision mobile mapping vs. tachymetry (reference) – approx. 50 check points

Position Height

Absolute 3-4 cm 2 cm

3D Distance

Relative < 1 cm

1-2 cm absolute 3D accuracy (even

Geospatial World Forum 2014, Geneva 3D Point Coordinate Determination Accuracy

Empirical Standard Deviations of Coordinate Differences

stereovision mobile mapping vs. tachymetry (reference) stereovision mobile mapping vs. tachymetry (reference)

3D

4 cm

integrated sensor orientation even in tunnels)

20 even in tunnels)

(21)

infra3D – ASTRA / FEDRO Swiss Federal

(22)

infra3DCity – Lucerne, Switzerland

(23)

infra3DRail – bls (Brig Lötschberg Simplon

Simplon Railway Lines)

(24)

(25)

Conclusions

Geospatial Cloud Computing

Interesting perspectives for Startups and Open Source Interesting perspectives for Startups and Open Source

OpenWebGlobe (www.openwebglobe.org)

Open Source technology / MIT license Open Source technology / MIT license

flexible support for private, public and hybrid cloud solutions

streetview for professionals (3D, accuracy entirely cloud based – apart from the real

entirely cloud based – apart from the real

infra3D services commercially available from iNovitas AG (www.inovitas.ch) we are just at the beginning!

we are just at the beginning!

for Startups and Open Source projects for Startups and Open Source projects (www.openwebglobe.org)

technology / MIT license join the community! technology / MIT license join the community! flexible support for private, public and hybrid cloud solutions

Vision Mobile Mapping for Urban Infrastructure Management

professionals (3D, accuracy, integration)

apart from the real-world data capturing process apart from the real-world data capturing process

infra3D services commercially available from iNovitas AG (www.inovitas.ch)

(26)

Thank you for the attention! Questions Contacts

Stephan Nebiker [email protected]

OpenWebGlobe www.openwebglobe.org

infra3D / iNovitas AG www.inovitas.ch

[email protected] @snebiker

www.openwebglobe.org @openwebglobe

www.inovitas.ch www.inovitas.ch

(27)

Important Tile Types

2D Image Tile

contents: 256x256 Pixels (in most cases)

(May also contain rasterized vectors

etc.)

2D Vector Tile

contents: 2D Geometry

(Number of Elements limited for LOD)

2D Elevation Tile (-> for

Tiles)

contents: Elevation values

numbers)

contents 17x17 values

contents: 256x256 Pixels (in most cases)

(May also contain rasterized vectors

contents: 2D Geometry

(Number of Elements limited for LOD)

for creating 3D

values (e.g.

values (or similar).

(28)

3D Point Cloud Extraction using Dense Stereo

3D Point Cloud Extraction using Dense Stereo- or Multi-Image Matching

(29)

Interactive 3D Exploitation 3D Imagery Repository Stereo Imagery • navigation data • stream metadata Depth Maps

Georeferenced 3D Imagery / Videos

• stream metadata

Precise 3D Measurements in 3D Image Space Measurements based on 3D monoplotting 3D monoplotting Monoscopic Exploitation Interactive measurements in 3D videos

(30)

Conclusion

Strengths of 3D Vision-based Mobile Mapping

– very dense stereo image sequences => redundancy, accuracy … – very dense stereo image sequences => redundancy, accuracy … – easy-to-use 3d environment / ideal for non

– automatic 3d point measurements

– very powerful integrated georeferencing possibilities – strong automatic object extraction capabilities

– possibility to use LiDAR as secondary sensor system – possibility to use LiDAR as secondary sensor system

3D Vision Mobile Mapping & Cloud-based 3D Exploitation

powerful, accurate and operational solution

ideally supports the vision of "The Geoinformation Loop and we are only at the beginning …

and we are only at the beginning …

Geospatial World Forum 2014, Geneva based Mobile Mapping

very dense stereo image sequences => redundancy, accuracy … very dense stereo image sequences => redundancy, accuracy …

use 3d environment / ideal for non-geospatial experts

very powerful integrated georeferencing possibilities strong automatic object extraction capabilities

possibility to use LiDAR as secondary sensor system possibility to use LiDAR as secondary sensor system

based 3D Exploitation

solution

supports the vision of "The Geoinformation Loop"