A Bit OT: Infrared radiation and alterations

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02-18-2009, 10:05 PM

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A Bit OT: Infrared radiation and alterations

Posted By: davidcycleback

Just thought some might find this interesting. I took the below two photographs of an acrylic painting. The left is a normal visible light photo. The right is an infrared photo. As you can see, the infrared image sees through the paint of the posts to the paint behind it. The painter painted the bushes first, then painted the white posts over. This type of imaging would be useful in the detection of some altered forgeries, ala T206 Magies.

[linked image]

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