photogrammetry - is there a business value to construction? #comit2016

PowerPoint Presentation

Photogrammetry Is there a business value to construction?Richard Bath

COMIT Conference 2016Digitally Building Britain#Comit2016

Overview

-Initial use of photogrammetry

-Development

-Workflow

-Accuracy

-Alternative uses of photogrammetry

-Issues

-Future Development

COMIT Conference 2016#Comit2016www.comit.org.uk

Initial use of photogrammetry








Development


Development


Development


Development


Development


Development


Workflow


WorkflowWHY?-Non contact survey technique

-Useful deliverables with low costs

-Simple workflow

-Can minimise modelling required

-Variable perspective

-Time efficient

-Reduced chance of misinterpretation

-Accurate

-Reliable


Accuracy


Accuracy


Accuracy


BLUE = PhotogrammetryRED = TLSMax deviation ~6-10mmAccuracy


Alternative uses


Accuracy


Alternative uses


Alternative uses


Alternative uses


Issues

-Accuracy depends on many factors which arent traditionally obvious: -Lighting -Camera focus -Number of pictures and overlap between them -Any visual interference -


Issues

-Limited sharing and cross compatibility


Issues

-Meeting BIM standards


Issues

-Errors

BLUE = PhotogrammetryRED = TLS


Issues

-Data Capture


Issues

-Data capture


Development


Future development


Future developmentOnline hostinghttps://pointscene.com/scene/5c7de35c/share/6c167c4b8c2a5c57d2d8db6eb67769a0


Thank you Any Qs?


photogrammetry - is there a business value to construction? #comit2016

Engineering