Arthur Gestels

MA-XRPD of selected areas of Rembrandt’s The Night Watch with a focus on lead formate

Frederik Vanmeert, Steven De Meyer, Arthur Gestels, Victor Gonzalez et autres

This dataset contains images of the spatial distribution of several crystalline components present within a select number of areas of Rembrandt's The Night Watch that were investigated using MA-XRPD during Operation Night Watch.

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The acid attack (1990) on Rembrandt’s The Night Watch (1642). Reassessing the painting’s condition through a multimodal analytical approach

Laura Raven, Arthur Gestels, Annelies van Loon, Ermanno Avranovich Clerici et autres

In 1990, Rembrandt’s The Night Watch was attacked with concentrated sulphuric acid. This study reassesses the affected area and aims to identify and characterise any secondary degradation products, as well as any challenges for the conservation treatment. A comprehensive analytical approach, using …

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The acid attack (1990) on Rembrandt’s The Night Watch (1642). Reassessing the painting’s condition through a multimodal analytical approach

Laura Raven, Arthur Gestels, Annelies van Loon, Ermanno Avranovich Clerici et autres

In 1990, Rembrandt’s The Night Watch was attacked with concentrated sulphuric acid. This studyreassesses the affected area and aims to identify and characterise any secondary degradationproducts, as well as any challenges for the conservation treatment. A comprehensive analyticalapproach, using macroscopic X-ray fluorescence …

High-resolution compound-specific mapping in works of art via data fusion of MA-XRPD with hyperspectral data (part 2: case studies)

Arthur Gestels, Francesca Gabrieli, Frederik Vanmeert, Steven De Meyer et autres

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Illuminating Rembrandt’s Chiaroscuro in The Night Watch: the painting process of Van Ruytenburch’s costume

Nouchka De Keyser, Annelies van Loon, Francesca Gabrieli, Frederik Vanmeert et autres

Abstract This study examines Rembrandt’s use of chiaroscuro to depict the costume of Lieutenant Willem Van Ruytenburch, a prominently lit figure in The Night Watch (1642). As part of Operation Night Watch , the painting was analyzed using noninvasive imaging techniques, including …

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High-Resolution Compound-Specific Mapping in Works of Art Via Data Fusion of Ma-Xrpd with Hyperspectral Data (Part 2: Case Studies)

Arthur Gestels, Frederik Vanmeert, Francesca Gabrieli, Steven De Meyer et autres

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Decoding paintings through their materials : enhancing Macro X-ray Powder Diffraction for artworks

Arthur Gestels

Scientific research in cultural heritage has increasingly shifted toward non-invasive imaging methods that can reveal material information across entire artworks. Because paintings often exhibit complex stratigraphies and heterogeneous compositions, traditional point-based techniques and small-scale sampling frequently fail to provide representative insight into …

High-resolution compound-specific mapping in works of art via data fusion of MA-XRPD with hyperspectral data (part 1: Method evaluation)

Arthur Gestels, Francesca Gabrieli, Thomas De Kerf, Frederik Vanmeert et autres

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Discovery of pararealgar and semi-amorphous pararealgar in Rembrandt's The Night Watch: analytical study and historical contextualization

Nouchka De Keyser, Fréderique T. H. Broers, Frederik Vanmeert, Annelies van Loon et autres

Abstract This article reports on the discovery of pararealgar and semi-amorphous pararealgar in Rembrandt's masterpiece The Night Watch. A large-scale research project named Operation Night Watch was started in 2019. A variety of non-invasive analytical imaging techniques, together with paint sample research, …

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Prediction of Quantitative Ma-Xrpd Distributions from Works of Art Using Data from Other Hyperspectral Methods

Arthur Gestels, Francesca Gabrieli, Frederik Vanmeert, Gunther Steenackers et autres

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A Multisensor Hyperspectral Benchmark Dataset for Unmixing of Intimate Mixtures

Bikram Koirala, Behnood Rasti, Zakaria Bnoulkacem, Andréa de Lima Ribeiro et autres

Optical hyperspectral cameras (HSCs) capture the spectral reflectance of materials. Since many materials behave as heterogeneous intimate mixtures with which each photon interacts differently, the relationship between spectral reflectance and material composition is very complex. Quantitative validation of spectral unmixing algorithms requires …

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A Multisensor Hyperspectral Benchmark Dataset For Unmixing of Intimate Mixtures

Bikram Koirala, Behnood Rasti, Zakaria Bnoulkacem, Andréa de Lima Ribeiro et autres

Optical hyperspectral cameras capture the spectral reflectance of materials. Since many materials behave as heterogeneous intimate mixtures with which each photon interacts differently, the relationship between spectral reflectance and material composition is very complex. Quantitative validation of spectral unmixing algorithms requires high-quality …