3D acquisition and modeling for flint artefacts analysis

In this paper, we are interested in accurate acquisition and modeling of flint artefacts. Archaeologists needs accurate geometry measurements to refine their understanding of the flint artefacts manufacturing process. Current techniques require several operations. First, a copy of a flint artefact is reproduced. The copy is then sliced. A picture is taken for each slice. Eventually, geometric information is manually determined from the pictures. Such a technique is very time consuming, and the processing applied to the original, as well as the reproduced object, induces several measurement errors (prototyping approximations, slicing, image acquisition, and measurement). By using 3D scanners, we significantly reduce the number of operations related to data acquisition and completely suppress the prototyping step to obtain an accurate 3D model. The 3D models are segmented into sliced parts that are then analyzed. Each slice is then automatically fitted by mathematical representation. Such a representation offers several interesting properties: geometric features can be characterized (e.g. shapes, curvature, sharp edges, etc), and a shape of the original piece of stone can be extrapolated. The contributions of this paper are an acquisition technique using 3D scanners that strongly reduces human intervention, acquisition time and measurement errors, and the representation of flint artefacts as mathematical 2D sections that enable accurate analysis.

[1]  Peter E. Siegel.  Edge Angle As A Functional Indicator: A Test , 1985 .

[2]  Ewen Ihuel,et al.  La diffusion du silex du Grand-Pressigny dans le Massif armoricain au Néolithique , 2002 .

[3]  Michel N. Brézillon,et al.  La dénomination des objets de pierre taillée. Matériaux pour un vocabulaire des préhistoriens de langue française , 1968 .

[4]  Hugues Plisson,et al.  Utilisation et rôle des outils en silex du Grand-Pressigny dans les villages de Charavines et de Portalban (Néolithique final) , 2002 .

[5]  Horace Bertouille,et al.  Théories physiques et mathématiques de la taille des outils préhistoriques. , 1989 .

[6]  Annelou van Gijn,et al.  The Functional Riddle of « Glossy » Canaanean Blades and the Near Eastern Threshing Sledge , 2004 .

[7]  David Fofi,et al.  A review of recent range image registration methods with accuracy evaluation , 2007, Image Vis. Comput..

[8]  M. Abidi,et al.  Part decomposition of 3d surfaces , 2003 .

[9]  Lijun Chen,et al.  An efficient and robust algorithm for 3D mesh segmentation , 2006, Multimedia Tools and Applications.

[10]  Marc Levoy,et al.  The digital Michelangelo project: 3D scanning of large statues , 2000, SIGGRAPH.

[11]  Michael S. Bisson,et al.  Nineteenth Century Tools for Twenty-First Century Archaeology? Why the Middle Paleolithic Typology of François Bordes Must Be Replaced , 2000 .

[12]  Nicole Mallet,et al.  La diffusion des silex du Grand-Pressigny au Néolithique final ; État actuel de l'inventaire , 2000 .

[13]  Nicole Mallet,et al.  Le dépôt de grandes lames de « La Creusette », Barrou (Indre-et-Loire) , 1975 .

[14]  Helle Juel Jensen,et al.  Flint tools and plant working : hidden traces of Stone Age technology : a use wear study of some Danish Mesolithic and TRB implements , 1994 .

[15]  Marianne Delcourt-Vlaeminck,et al.  Le silex du Grand-Pressigny dans le nord-ouest de l'Europe : le silex tertiaire, concurrent possible du Grand-Pressigny? , 1998 .

[16]  F. Audouze,et al.  New advances in French prehistory , 1999, Antiquity.

[17]  Hugues Plisson,et al.  La moisson au Néolithique final: approche tracéologique d’outils en silex de Montilier et de Portalban , 1992 .

[18]  Marco Attene,et al.  Mesh Segmentation - A Comparative Study , 2006, IEEE International Conference on Shape Modeling and Applications 2006 (SMI'06).

[19]  C. Perlès,et al.  Economie des matières premières et économie du débitage : deux conceptions opposées ? , 1991 .

[20]  Francisco Nocete,et al.  Circulation of silicified oolitic limestone blades in South-Iberia (Spain and Portugal) during the third millennium B.C.: an expression of a core/periphery framework , 2005 .

[21]  Are Tsirk,et al.  Regarding fracture initiations , 1979 .

[22]  Mongi A. Abidi,et al.  Automatic registration of 3D datasets using Gaussian fields , 2005, IEEE International Conference on Image Processing 2005.