By Matthew Boyter Advisor Frank Hardisty 12212011 1 Matthew Boyter ArchaeologyGeo Wiki ArchaeologyGeo Wiki 12212011 2 Introduction Problem Definition Approach ID: 775258
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Slide1
Archaeology.Geo-Wiki
Prehistory, Crowdsourcing, and Freely Available High-Resolution Spaceborne ImageryBy Matthew BoyterAdvisor: Frank Hardisty
12/21/2011
1
Matthew
Boyter
,
Archaeology.Geo
-Wiki
Slide2Archaeology.Geo-Wiki
12/21/2011
2
Introduction Problem Definition Approach and Methodologies Q&A
Niche of the Buddha of
Bamiyan
بت
بامیان
.
Source: Flickr, photo used under Creative Commons from
Hadi
Zaher
Slide3Archaeology.Geo-Wiki
IntroductionResearch Problem DefinitionResearch Approach and MethodologiesQ&A
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Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide4Introduction
Freely Available High-Resolution Spaceborne Imagery (HRSI)Archaeological Site ExplorationVolunteered Geographic InformationCrowdsourcing
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Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide5Problem Definition
Cost of acquisition.Learning curve associated with technology.Automated site identification not yet possible.Manual direct discovery of sites requires large investment of people-hours.
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Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide6Remote Sensed Data and Archaeology
Source: Flickr, photo used under Creative Commons from Farther Along
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6
Source: Flickr, photo
used under Creative Commons from
Brookhaven National Laboratory
Source: Flickr, photo
used under Creative Commons from Fylkestinget i Nord-Trøndelag
Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide7Google Earth
Tarsus, Mersin, Turkey, 2011. Source: Google Earth
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Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide8Google Earth and Archaeology
“Fieldwork in the age of Digital Reproduction: A Review for the potential and limitations of Google Earth in Archaeology” by Adrian Myers“Google Earth and Archaeology” by Jason Ur“Google earth and the archaeology of Saudi Arabia. A case study from the Jeddah area” by David Kennedy and M.C. Bishop“Ground truthing of remotely identified fortifications on the Central Coast of Perú” by Nathan Craig et al.“The Utility of Publicly Available Satellite Imagery for Looting” by Neil Brodie and Daniel Contreras“Field Expedition: Mongolia” National Graphic, Dr. Albert Yu-Min Lin
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Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide9Google Earth and Archaeology
SA Jeddah2 Pendants 404 and 403, Saudi Arabia. Source: Google Earth
12/21/2011
9
Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide10Site Identification
Automated identification of archaeological sites not yet possible
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10
Tarsus, Mersin, Turkey, 2011. Source: Google Earth
Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide11Site Identification
Manual direct discovery is very time consuming.
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11
Sample study area for archaeological research project. Source: Craig
, N (07/01/2011). "Ground truthing of remotely identified fortifications on the Central Coast of Peru". Journal of archaeological science (0305-4403), 38 (7), p. 1680.
Craig et al used Google Earth to review their 25,000 km² project area.
Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide12Problem Definition
Cost of acquisition.Learning curve associated with technology.Automated site identification not yet possible.Manual direct discovery of sites requires large investment of people-hours.
12/21/2011
12
Introduction
Problem
Definition
Approach
and Methodologies Q&A
Slide13The Crowdsourcing Solution
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13
Netflix Prize, Source: www.netflixprize.com
Wikipedia, Source: www.wikipedia.org
Wikimapia
, Source: www.wikimapia.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide14Crowdsourcing and Citizen Science
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SETI@Home, Source: Flickr, photo used under Creative Commons from FRSeti
Introduction Problem Definition Approach and Methodologies Q&A
FoldIt
,
Source: Flickr, photo used under Creative Commons from
billmcclair
Slide15Geo-Wiki.Org
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Geo-Wiki.org Home Page, Source: www.Geo-Wiki.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide16Archaeology.Geo-Wiki
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Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide17Visualizing Data
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17
Geo-Wiki Web Map Viewer Page, Source: www.Geo-Wiki.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide18Training
Archaeological Visual Interpretation Attributes Archaeological Description Tone Tonal differences in soil may indicate buried structures Texture Different vegetation textures may indicate buried features Shape Foreknowledge of shapes of archaeological features can assist with determining whether a feature can be considered as archaeological or not Size The dimensions of the feature are also important in order to regard the feature as archaeologically significant or not Spatial patterns If the feature is of an extensive size, the spatial patterns within the feature could represent an ancient settlement Orientation Some archaeological features are consistently oriented in a certain direction Shadows Positive archaeological features appear in imagery through the shadows they cast Spatial relationships Some ruins which have been abandoned for hundreds or thousands of years are sometimes located in isolated areas. However, some excavated sites have modern roads leading to them for public access. Depending on the state of the ruins, they may still be associated with other nearby ancient features
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Archaeological Visual Interpretation, Source: High “Resolution Satellite Imagery for Archaeological Application” by Lefki Pavildis
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide19Direct Discovery
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Geo-Wiki Web Map Viewer Page, Source: www.Geo-Wiki.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide20Peer Review
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Geo-Wiki Web Map Viewer Page, Source: www.Geo-Wiki.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide21Ground Truthing
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Source: Flickr, photo used under Creative Commons from Happy Jumper ()
Geo-Wiki Web Map Viewer Page, Source: www.Geo-Wiki.org
Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide22Study Areas
SuitabilityProfessional InterestImpact AssessmentCommunity InterestImage Quality
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Introduction
Problem
Definition
Approach
and Methodologies
Q&A
Slide23Conclusion
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Introduction Problem Definition Approach and Methodologies Q&A
Source: Flickr, photo used under Creative Commons from
Hembo
Pagi
Slide24Q&A
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Introduction Problem Definition Approach and Methodologies Q&A
Archaeology.Geo
-Wiki:
Prehistory, Crowdsourcing, and Freely Available High-Resolution Spaceborne
Imagery.
By Matthew
Boyter
Advisor: Frank
Hardisty