X-Ray

Nautilus shell X-ray fusion photo of energy levels

Different energies of X-ray radiation mean different transparency of an object. There is an example in my FAQ using a Nautilus shell.

Instead of compressing images of different energies to a single image today I subtracted the 70 kV image of a Nautilus shell from the 40 kV image.

The central parts of the Nautilus shell are more dense and show a significant higher difference. The core of the shell gets shiny. This is how it looks like:

Energy difference X-ray photo of a Nautilus shell. The image is the difference of a 70kV and a 40 kV image. © Julian Köpke

In positive X-ray representation you can compare the results. Left hand is the compressed image of 4 different energy levels, right hand the difference image.

Nautilus X-Ray Energy Compressed © Julian Köpke
Energy difference X-ray photo of a Nautilus shell. The fusion image is the difference of a 70kV and a 40 kV image in X-ray positive representation. © Julian Köpke

I like to make things visible the naked eye isn't able to see. That's part of my profession as a radiologist, too.

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