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