Reflectance Transformation Imaging (RTI)

Reflectance Transformation Imaging (RTI)

Reflectance Transformation Imaging (RTI)

Reflectance Transformation Imaging (RTI) is a computational photographic technique used to capture detailed surface information of an object or artifact. This imaging method involves capturing a series of photographs of an object illuminated from different directions and combining them to create an interactive image that allows users to manipulate the lighting to reveal fine surface details that may not be visible with traditional photography.

RTI is commonly used in the fields of archaeology, art conservation, forensics, and cultural heritage preservation to document and analyze objects with complex surface textures or inscriptions. By controlling the direction and intensity of the virtual lighting in the RTI image, researchers can enhance visibility of surface features, reveal hidden details, and differentiate between surface materials.

Overall, Reflectance Transformation Imaging is a powerful tool for non-invasive documentation and analysis of objects, providing valuable insights into their material composition, surface topography, and cultural significance.

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