Destructive Tomography of Red Cabbage

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Rotate the object and explore the internal 3D geometry of the reconstructed cabbage using the front and side section sliders.

Contributed by: Konrad Rykaczewski (February 2015)
Open content licensed under CC BY-NC-SA



"Destructive tomography" is achieved by the sequential slicing away of part of an object and taking images of the revealed cross sections. By "slicing and viewing" through the entire object (i.e. cutting away slice-by-slice with each cross section documented), a 3D dataset representing the object's volume can be collected. This technique is typically used for 3D imaging of nano/microscale objects, using a focused ion beam-scanning electron microscope. This Demonstration shows the principle of destructive tomography on a much larger but very structurally rich object—a red cabbage. About 50 image slices (about 2.5 mm thick) of a cabbage were taken using a digital camera, cleaned up a bit using ImageJ, and reconstructed using Mathematica's Image3D function.

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