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Osiris Infrared Imaging System |
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Osiris - a high resolution camera using infrared reflectography to capture images of underdrawings. |
The Osiris camera was developed with the co-operation if the National Gallery in London. It is used to reveal the drawings hidden beneath the paint of old famous paintings. The camera is currently being used by many of the major national art galleries throughout the world. It is manufactured here, in the south of Cambridgeshire, in the UK. An ARM® microcontroller sits at the heart of the camera controlling the scanning system, driving the infrared sensor and sending the captured data to the PC over a USB connection. The PC receives the data stream and assembles it into an image of the underdrawing, displaying it as the scanning process proceeds. The art expert would typically save the final image to a file for later detailed examination. It is quite an experience to see the image of an underdrawing appear knowing that it not been seen since the picture was painted. If you can read French, then this article describes the experience of the art historians at the Louvre in Paris: |
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