NDLI: Virtual reconstruction of archaeological vessels using convex hulls of surface markings

Content Provider	IEEE Xplore Digital Library
Author	Cohen, F. Zhongchuan Zhang Jeppson, P.
Copyright Year	2010
Description	Author affiliation: School of Digital Media Drexel University, Philadelphia, PA 19104, USA (Jeppson, P.) \|\| Electrical and Computer Engineering Department, Drexel University, Philadelphia, PA 19104, USA (Cohen, F.; Zhongchuan Zhang)
Abstract	This paper presents a 3D computer vision method that assists the tedious procedure of manually reconstructing ceramic vessels from fragments unearthed in an archaeological excavation. This computational method relies on vessel surface markings combined with expert feedback (via the archaeologist) to form a generic model of a vessel that the excavated fragments might have originated from. Prior expert information (i.e., the generic vessel model) is usually based on a host of factors ranging from historical knowledge from the period in question to the provenience of the excavation, etc. The generic model need not be exactly identical to the excavated vessel, but rather within the allowable class (i.e., within a geometric transformation of it in most of its parts). The ceramic vessels we deal with here have surface markings. We exploit the 3D convex hull associated with the surface markings as they are preserved under the allowable set of transformation (between the generic expert model and the excavated vessel). We align these using a novel set of discrete cross weighted moments. The morphing transformation (affine or higher order morphing function) is computed from these corresponding convex hulls and their corresponding vertices, and distance error metrics are introduced to access the fitness of the alignment of a fragment to a given vessel. The methods are tested on a subset of ceramics excavated from Independence National Historical Park (INHP) created through 3D scanning of prospective generic bowls and their pieces.
Starting Page	55
Ending Page	61
File Size	1111901
Page Count	7
File Format	PDF
ISBN	9781424470297
e-ISBN	9781424470303
DOI	10.1109/CVPRW.2010.5543528
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface reconstruction Computer vision Solid modeling Feedback Robustness Ceramics Power capacitors History Data mining Testing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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