NDLI: Pattern Matching and the Analysis of Damaged Ancient Objects: The Case of the Column Drum

Please wait, while we are loading the content...

Pattern Matching and the Analysis of Damaged Ancient Objects: The Case of the Column Drum

Content Provider	ACM Digital Library
Author	Sapirstein, Philip Psota, Eric
Copyright Year	2016
Description	Author Affiliation: University of Nebraska-Lincoln (Sapirstein, Philip; Psota, Eric)
Abstract	We describe a common problem in the curation and analysis of archaeological materials: restoring the orientation and dimensions of damaged objects. Our focus is a common architectural type in Mediterranean sites, the Doric column drum, which we investigate at one of the earliest Doric temples in the Greek world, the Hera temple at Olympia. The 3D modeling and analysis of this building by the Digital Architecture Project since 2013 has revealed new insights into the construction history of its stone colonnades. This paper concerns the analysis of the 3D models of the in situ material, using the almost 100 fallen drums and capitals to reconstruct the colonnade digitally. In order to accomplish this, we propose two novel methods for training the machine to estimate the dimensions of a fragmentary column drum. One approach is a modification of ICP, where the fragment is compared to an ideal model of an intact drum, which is resized iteratively until concluding with a satisfactory fit. Another approach recasts the scan data into polar coordinates and uses RANSAC to identify the exterior profiles of the piece and remove points likely to belong to damaged areas. The filtered points are then examined by the algorithm to estimate the radii and taper of the drum. Besides saving a great deal of time in the field, these methods are also accurate to within 0.2% of the total radius for well-preserved material, and 1% for even the most fragmentary drums at Olympia. These data have allowed the digital reconstruction of 80% of the displaced drums and all of the capitals from the temple. Our algorithms can be used to measure any fluted column drums, and we discuss the potential value of our approach for other categories of archaeological artifacts.
Starting Page	1
Ending Page	22
Page Count	22
File Format	PDF
ISSN	15564673
e-ISSN	15564711
DOI	10.1145/2901297
Journal	Journal on Computing and Cultural Heritage (JOCCH)
Volume Number	9
Issue Number	3
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-09-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Greek architecture Algorithmic measurement Damaged artifacts Digital reconstruction
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Conservation Computer Science Applications Information Systems

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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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

A camera flash projector-based reconstruction system for digital preservation of artifacts

Digital reconstruction of pavilions described in an ancient Indian architectural treatise

Reconstruction of relief objects from archeological line drawings

Rule-Based Generation of Ancient Chinese Architecture from the Song Dynasty

3D Artifacts Similarity Based on the Concurrent Evaluation of Heterogeneous Properties

Semantic fitting and reconstruction

Discovering Novelty Patterns from the Ancient Christian Inscriptions of Rome

A Discrete Approach for Pairwise Matching of Archaeological Fragments

Learning how to match fresco fragments

Pattern Matching and the Analysis of Damaged Ancient Objects: The Case of the Column Drum

Similar Documents

A camera flash projector-based reconstruction system for digital preservation of artifacts

Digital reconstruction of pavilions described in an ancient Indian architectural treatise

Reconstruction of relief objects from archeological line drawings

Rule-Based Generation of Ancient Chinese Architecture from the Song Dynasty

3D Artifacts Similarity Based on the Concurrent Evaluation of Heterogeneous Properties

Semantic fitting and reconstruction

Discovering Novelty Patterns from the Ancient Christian Inscriptions of Rome

A Discrete Approach for Pairwise Matching of Archaeological Fragments

Learning how to match fresco fragments

Pattern Matching and the Analysis of Damaged Ancient Objects: The Case of the Column Drum