ArticleACS sensors2025
Broad Range Mid-IR Reflection Spectroscopy for Macroscale Standoff Hyperspectral Imaging of Paintings.
Article in ACS sensors, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The identification of the chemical composition of painting materials and their macroscale distribution is crucial for effective conservation, knowledge, and enhancement of our irreplaceable cultural patrimony. The noninvasive comprehensive characterization of both organic and inorganic components in paintings is currently achieved by mid-infrared (mid-IR) spectroscopy at single points or by chemical mapping via point-by-point scans over areas of square centimeters. However, the lengthy acquisition time required for mapping measurements makes it difficult to record chemical distribution images within a reasonable time frame. This limitation underscores the need for a hyperspectral imaging approach. To address this challenge, an advanced hyperspectral imager operating in the mid-IR spectral range (4000-800 cm
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