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OCT provides new tool for art historians

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Lynn M. Savage, Features Editor, [email protected]

Scientists in Poland have described how optical coherence tomography (OCT) – a technique most often used in medical imaging – can be used to reveal the forgery of an artist’s signature or changes in inscriptions on 100-year-old paintings. Shown is “Saint Leonard of Porto Maurizio,” an 84 x 121-cm oil-on-canvas picture that hangs in the Franciscan Church of St. Bonaventure in Pako, Poland. Circles mark the regions in which the tomograms were acquired. Rectangles mark the regions of the inscriptions investigated. Figure numbers refer to the original...Read full article

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    Published: March 2010
    Glossary
    eye
    The organ of vision or light sensitivity.
    optical coherence tomography
    Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture high-resolution, cross-sectional images of biological tissues. It provides detailed, real-time, and three-dimensional visualization of tissue structures at the micrometer scale. OCT is particularly valuable in ophthalmology, cardiology, dermatology, and various other medical specialties. Here are the key features and components of optical coherence tomography: Principle of...
    retina
    1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.
    art conservationart forgeryart historyartistartworkcanvasconservatorseyeglazesImaginglayersLighter SideMagdalena IwanickaNicolaus Copernicus UniversityOCToptical coherence tomographyOpticspaintingsPiotr TargowskiPolandPortrait of an Unknown WomanretinaSaint Leonard of Porto MauriziosizingstratigraphyvarnishWaldemar Grzesik

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