Spectral and Chromatic Analysis in Art Work Authentication

Ţurcanu-Caruțiu, Daniela; Rău, Ileana; Meghea, Aurelia

doi:10.1080/15421400801904559

Cited by 3 publications

(2 citation statements)

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“…CIELAB‐based analysis of the investigated samples can provide valuable tools in discriminating different inks within the same colorist pallet by means of all five parameters provided by the software with the following significance:…”

Section: Resultsmentioning

confidence: 99%

Chromatic analysis of blue ballpoint pen inks and related dyes

Feraru¹,

Mihaly

Meghea

2014

Color Research & Application

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Analysis of ballpoint pen inks on questioned documents is often required in the field of forensic analysis to identify the writing implement used in the commitment of a crime. In forensic work, it is thus necessary to identify the manufacturer of the pen or the specific ink product. In this article, a forensic analysis is documented for discrimination of a series of ballpoint pastes to identify the chromatic components used for blue ballpoint pen inks and thus to establish the writing instrument used in a questioned document. To achieve this, data of various adequate techniques have been corroborated: X‐ray fluorescence spectroscopy, ultraviolet–visible–near‐infrared spectrophotometry, in diffuse reflection and transmission modes, completed by trichromatic analyses, and thin layer chromatography. A protocol consisting of four steps has been proposed, in which various components provided by a database of reference dyes are removed, selected, and combined to assess the possible identity of an unknown pen ink paste among a set belonging to the same color pallet. © 2014 Wiley Periodicals, Inc. Col Res Appl, 40, 169–177, 2015

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Section: Resultsmentioning

confidence: 99%

Chromatic analysis of blue ballpoint pen inks and related dyes

Feraru¹,

Mihaly

Meghea

2014

Color Research & Application

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“…Other techniques used to check the internal structure and the existence of previous repairs or defects in artworks are X-ray or holographic interferometry techniques [ 5 ]. Another method is based on the correlation between the chromatics of paintings and the composition of pictorial materials using spectral and chromatic analysis [ 6 ]. Some authors have used laser Doppler vibrometry with acoustic excitation [ 7 ] or a technique based on the acoustic excitation-acquisition response to check antique frescoes [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Ultrasound Phase-Shift Analysis to Authenticate Wooden Panel Paintings

Bravo

Sánchez‐Pérez

Ferri

et al. 2014

Sensors

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Artworks are a valuable part of the World's cultural and historical heritage. Conservation and authentication of authorship are important aspects to consider in the protection of cultural patrimony. In this paper we present a novel application of a well-known method based on the phase-shift analysis of an ultrasonic signal, providing an integrated encoding system that enables authentication of the authorship of wooden panel paintings. The method has been evaluated in comparison with optical analysis and shows promising results. The proposed method provides an integrated fingerprint of the artwork, and could be used to enrich the cataloging and protection of artworks. Other advantages that make particularly attractive the proposed technique are its robustness and the use of low-cost sensors.

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