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An Easy to Build Reflectance Transformation Imaging (RTI) System

Ted Kinsman


The author describes how to construct a simple reflectance transformation imaging (RTI) setup using an Adurino microprocessor and a 3D printer.

It can be sometimes difficult for a single photograph to adequately record and represent all of an object’s important detail. By using RTI photographic techniques, researchers are better able to enhance an object’s individual topography, texture, and color. Unlike one single photograph, an RTI photographic system may utilize numerous lighting angles to produce sequential images of the same object or artifact that may reveal obscured or hidden detail.


Reflectance Transformation Imaging (RTI); imaging; conservation; photography; interpretation; Arduino uno code; Cultural Heritage Imaging

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