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Optical evaluation of heritage silver coin plasma cleaning using statistical methods

B. T. GORAŞ1,* , E. G. IOANID2, D. RUSU3, L. GORAŞ1,4

Affiliation

  1. “Gheorghe Asachi” Technical University of Iasi, Romania
  2. “Petru Poni” Institute of Macromolecular Chemistry, Romania
  3. “Moldova” National Museum Complex, Iasi, Romania
  4. Institute of Computer Science, Romanian Academy, Bucharest, Romania

Abstract

The paper addresses the problem of optical evaluation of silver coins plasma cleaning quality using statistical methods applied to images - a topic of interest in numismatics as well as in general heritage objects rehabilitation. The purpose of the paper is to present a new low-cost method to quantitatively evaluate the cleaning effect of plasma used for decontamination, conservation and restoration of silver heritage objects.

Keywords

Opto-evaluation, Plasma cleaning, Statistical methods, Heritage.

Citation

B. T. GORAŞ, E. G. IOANID, D. RUSU, L. GORAŞ, Optical evaluation of heritage silver coin plasma cleaning using statistical methods, Optoelectronics and Advanced Materials - Rapid Communications, 4, 12, December 2010, pp.2157-2161 (2010).

Submitted at: Oct. 29, 2010

Accepted at: Nov. 29, 2010