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3D modelling of prehistoric stone toolsState of the art Comparative study
Quentin Borderie – Univ.Paris 1 – UMR 7041
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
FOVEA project: virtual excavation of a palaeoanthropological environment: reconstruction of the environment digitalization of fossils and artefacts
Device
March – June 2004
prehistoric artefacts
archaeological environment
Instrumentation
Visualisation PhD school Image/Vision
Polytech'Nice
Master thesis
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Which purposes for stone tools modelling?
Which stone tools to digitalize?
Online databases
Digitalization of pottery: the first step?Digitalization of a Chopping tool
and a Chopper
CT scan – Laser scan
Comparative approach
State of the art
Comparative study
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Purposes for stone tools modelling
Exhibition
Communication Education
Archaeological environment
Refitting
Complex surfaces
ClassificationShapes
Flake scare, hafting traces…
Park, Nowell, Metaxas 2003
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Digitalization of pottery: the first step?
Hypothesis: numerization problems on sharp edges?
Symmetrical shapes: rotation axeSmooth edges
Mara, Kampel, Sablatnig 2002
Razdan et al., ASU, 2003
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Online databases
DANA TNT
Exhibition
Communication Education
Archaeological Environment
Refitting
x
x
x
x x
x x
x
Projects:
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Digitalization of a Chopping tool and a Chopper
Terra Amata, Nice (06)400 ky old
Chopper one side edged core stone tool
Chopping tool two side edged core stone tool
Roughly spherical
Flake edge
Sharpe end
High definition moulding
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
CT scan – Laser scanCyberware 3030 3D color digitizer and software
SOMATOM Sensation
Cardiac
Minolta Vivid
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Comparative approach
ICP fitting
Displacement vectors
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Comparative approach
Mean model
Edges
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3D modelling of prehistoric stone toolsState of the art – Comparative study
Q. Borderie – 08/06/20
Conclusions
Automated processes coupling: spatial – shape classification – ICP methods
Laser scanner: noise (granularity of texture) obscuration: view refitting
Stone tool refitting
