A note on an improved procedure for the rapid assembly of infrared reflectogram mosaics

Abstract
The assembly of infrared reflectogram mosaics is, despite many improvements, a lengthy process highly dependent on the skill of the individual conservator. The National Gallery, London, has developed an image-processing system which, when used in conjunction with conventional infrared reflectography equipment, greatly expedites the assembly of mosaics and overcomes the problems associated with accurately aligning adjacent images. The equipment used, the procedure for acquiring images and a new technique for joining images are described. A comparative example illustrates both the improved quality of the final reflectograms and the reduced time required for their completion.

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