The document describes Marek Ososinski's PhD project to develop a robotic system for optimizing laser data acquisition. The system will map an environment, detect optimal scanning positions to minimize registration error while ensuring completeness, autonomously acquire laser scans, and validate the results. It focuses on balancing time, registration error, completeness, and processing effort. The system involves reconnaissance using a robotic or human-operated platform, reasoning about positions, autonomous or manual data acquisition, and validation.
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From the 3D Laser Scanning for Forensic Scene Mapping Seminar 2014 in Portland and Seattle hosted by The PPI Group and co-sponsored by FARO Technologies. Presentation by Eugene Liscio, Professional Engineer of AI2-3D, a consulting company that specializes in 3D forensic measurement, analysis and visualizations for law enforcement and legal industries.
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A talk given at Digital Past: New Technologies in Heritage, Interpretation and Outreach. RCHMW Seminar. A seminar organised to guide heritage managers, education and outreach officers, and museum and local government officers in Wales and further
afield through some of the newest technologies available for researching and promoting heritage sites. This was done through the medium of papers presented by key speakers who talked through practical examples where such technologies have been used, what their problems and experiences may have been and the practical outcomes for communities or heritage managers
Developing an approach to national mapping - preliminary work on Scotland in ...Tom Pert
Mae ymagweddau sefydledig at archwilio archaeolegol yn pwysleisio rhagchwilio yn y maes, wedi’i gefnogi gan ddata wedi’i bell-synhwyro, ond gwaith sy’n gofyn am dipyn o adnoddau yw hwn. Trafodir gwaith rhagarweiniol ar Ynys Arran, a elwir ar lafar gwlad yn ‘Scotland in Miniature’ (yr Alban ar raddfa fach), i ddatblygu mapio graddfa genedlaethol, gan gynnwys cyflwyno darganfyddiadau newydd, agweddau ar ddata aml-raddedig a dyhead i ddatblygu llifoedd gwaith wedi’u symleiddio sy’n rhoi’r pwyslais ar ddata wedi’i bell-synhwyro a chanfod gwrthrychau awtomataidd. Mae hyn yn gofyn am ddatblygu llifoedd gwaith newydd, ond hefyd am ailystyried agweddau ar arfer sefydledig.
Mae’r cynnydd mawr mewn data wedi’i bell-synhwyro yn yr Alban yn cynnig cyfleoedd ac yn gosod her. Er bod map orthoffotograffig cyflawn o’r Alban ar gael ers rhai blynyddoedd bellach, mae sganio laser o’r awyr (ALS) yn ddarniog, er bod dyhead i’w helaethu neu ei gwblhau hyd yn oed. Mae hyn yn codi her ynghylch sut y bydd Historic Environment Scotland, fel corff arolygu cenedlaethol yr Alban, yn ymdrin â’r cynnydd cyflym mewn data wedi’i bell-synhwyro wrth ddiffinio ymagwedd at fapio cenedlaethol.
The increasing availability of remotely sensed data in Scotland presents opportunities and challenges. While complete coverage of orthophotos have been available for a few years now, availability of Aerial Laser Scanning (ALS) is patchy, though there is an aspiration to greater or even complete coverage. This raises a challenge to how Historic Environment Scotland, as the national body of survey for Scotland, deals with the rapidly increasing remote sensed data in defining an approach to national mapping.
Established approaches to archaeological prospection emphasise field reconnaissance, supported by remote sensed data, but this is a relatively resource intensive operation. Preliminary work on the Island of Arran, which is colloquially known as ‘Scotland in Miniature’, to develop national-scaled mapping is discussed, including presentation of new discoveries, aspects of multi-scaled data and an aspiration to develop streamlined workflows that foreground remote sensed data and automated object detection. This is requiring development of new workflows, but also the renegotiation of aspects of established practice.
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Developing an approach to national mapping - preliminary work on Scotland in ...Tom Pert
Mae ymagweddau sefydledig at archwilio archaeolegol yn pwysleisio rhagchwilio yn y maes, wedi’i gefnogi gan ddata wedi’i bell-synhwyro, ond gwaith sy’n gofyn am dipyn o adnoddau yw hwn. Trafodir gwaith rhagarweiniol ar Ynys Arran, a elwir ar lafar gwlad yn ‘Scotland in Miniature’ (yr Alban ar raddfa fach), i ddatblygu mapio graddfa genedlaethol, gan gynnwys cyflwyno darganfyddiadau newydd, agweddau ar ddata aml-raddedig a dyhead i ddatblygu llifoedd gwaith wedi’u symleiddio sy’n rhoi’r pwyslais ar ddata wedi’i bell-synhwyro a chanfod gwrthrychau awtomataidd. Mae hyn yn gofyn am ddatblygu llifoedd gwaith newydd, ond hefyd am ailystyried agweddau ar arfer sefydledig.
Mae’r cynnydd mawr mewn data wedi’i bell-synhwyro yn yr Alban yn cynnig cyfleoedd ac yn gosod her. Er bod map orthoffotograffig cyflawn o’r Alban ar gael ers rhai blynyddoedd bellach, mae sganio laser o’r awyr (ALS) yn ddarniog, er bod dyhead i’w helaethu neu ei gwblhau hyd yn oed. Mae hyn yn codi her ynghylch sut y bydd Historic Environment Scotland, fel corff arolygu cenedlaethol yr Alban, yn ymdrin â’r cynnydd cyflym mewn data wedi’i bell-synhwyro wrth ddiffinio ymagwedd at fapio cenedlaethol.
The increasing availability of remotely sensed data in Scotland presents opportunities and challenges. While complete coverage of orthophotos have been available for a few years now, availability of Aerial Laser Scanning (ALS) is patchy, though there is an aspiration to greater or even complete coverage. This raises a challenge to how Historic Environment Scotland, as the national body of survey for Scotland, deals with the rapidly increasing remote sensed data in defining an approach to national mapping.
Established approaches to archaeological prospection emphasise field reconnaissance, supported by remote sensed data, but this is a relatively resource intensive operation. Preliminary work on the Island of Arran, which is colloquially known as ‘Scotland in Miniature’, to develop national-scaled mapping is discussed, including presentation of new discoveries, aspects of multi-scaled data and an aspiration to develop streamlined workflows that foreground remote sensed data and automated object detection. This is requiring development of new workflows, but also the renegotiation of aspects of established practice.
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Looking for professional printing services in Jaipur? Navpack n Print offers high-quality and affordable stationery printing for all your business needs. Stand out with custom stationery designs and fast turnaround times. Contact us today for a quote!
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In this comprehensive presentation, we will explore strategies and practical tips for enhancing profitability in small businesses. Tailored to meet the unique challenges faced by small enterprises, this session covers various aspects that directly impact the bottom line. Attendees will learn how to optimize operational efficiency, manage expenses, and increase revenue through innovative marketing and customer engagement techniques.
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Website – www.pmday.org
Youtube – https://www.youtube.com/startuplviv
FB – https://www.facebook.com/pmdayconference
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Optimisation of laser data acquisition: Robots and lasers
1. Optimisation of laser data acquisition
Robots and lasers
Marek Ososinski
Aberystwyth University
Marek Ososinski (Aberystwyth University) Robots and lasers 1 / 18
2. Layout
1 Introduction
2 Project Desription
3 System overview
4 Environment Mapping
5 Reasoning, Acquisition and Validation
Marek Ososinski (Aberystwyth University) Robots and lasers 2 / 18
3. About me
Name: Marek Ososinski (mro7@aber.ac.uk)
Place: Aberystwyth University
Background: BSc in Artificial Intelligence
Funding: KESS
Partners: Royal Commission on Ancient and Historical Monuments of
Wales
Marek Ososinski (Aberystwyth University) Robots and lasers 3 / 18
4. A bit of history
Marek Ososinski (Aberystwyth University) Robots and lasers 4 / 18
5. Project Description
Project:
The aim of the project is to provide a methodology for laser data
acquisition, that will esnure best quality of data within the given
time-constraints.
PhD:
Creation of a robotic system capable of mapping the area and
detecting best scanning positions, that will ensure completeness and
minimise registration error.
Marek Ososinski (Aberystwyth University) Robots and lasers 5 / 18
6. General idea
to here
getting from here
Marek Ososinski (Aberystwyth University) Robots and lasers 6 / 18
7. Optimisation of laser data acquisition
Optimisation factors:
Time
Registration error
Scan completeness
Processing effort
Marek Ososinski (Aberystwyth University) Robots and lasers 7 / 18
8. System Overview
Four stages:
reconnaissance
reasoning
acquisition
validation
Aims to be autonomous, might require human supervision.
Marek Ososinski (Aberystwyth University) Robots and lasers 8 / 18
10. Reconnaissance stage - Robotic platform
stable platform
limited indoor access
needs pitch and roll
corrections on uneven
terrain
cannot traverse stairs
internal power supply
robotic platform
Marek Ososinski (Aberystwyth University) Robots and lasers 10 / 18
11. Reconnaissance stage - Organic bipedal platform
unstable platform
requires constant pitch
and roll corrections
go-anywhere ability
requires external power
supply for equipement
allowed inside historical
monuments
runs off chips and coffe
organic bipedal
platform
Marek Ososinski (Aberystwyth University) Robots and lasers 11 / 18
12. Environment Mapping - Occlusions
Marek Ososinski (Aberystwyth University) Robots and lasers 12 / 18
13. Environment Mapping - Occlusions
Occlusion detection types:
from single viewpoint using movement
multiple viewpoints using optical flow
multiple viewpoints using object correlation
Assumptions:
static environment
known position of the viewpoint
Marek Ososinski (Aberystwyth University) Robots and lasers 13 / 18
14. Reasononing stage
Detection of laser scanner positions
User supervision:
provide the desired resolution based on map visualisation
provide optimisation parameters
confirm that scanner positions are accessible
Automation:
based on optimisation parameters
using the occlusion map
Marek Ososinski (Aberystwyth University) Robots and lasers 14 / 18
15. Acquisition stage - Robotic platform
Acquisition:
Use of HDS6200 laser scanner
Robotic platform will traverse to
the accessible scanning locations
Fast
Stable platform
No supervision
Limited accessibility
Marek Ososinski (Aberystwyth University) Robots and lasers 15 / 18
16. Acquisition stage - Human
Acquisition:
Use of HDS6200 laser scanner
Human operator will place a
tripod in less accessible locations
Requires manual tripod leveling
Can get to the hard-to-reach
places
Marek Ososinski (Aberystwyth University) Robots and lasers 16 / 18
17. Validation stage
Validation:
Detection of potenetial registration targets
Estimation of registration error
Estimation on registration completeness
Marek Ososinski (Aberystwyth University) Robots and lasers 17 / 18
18. Finally the last slide !
Any questions?
Marek Ososinski (Aberystwyth University) Robots and lasers 18 / 18