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Actually it's not that new of an idea -- it goes back to at least 1996. I strongly suggest reading Microsoft Research's Foveated 3D Graphics. (click 'View publication' and read the full pdf) In a nutshell, human visual acuity is different near the center of vision compared to the peripheral. The middle of the eye is packed more tightly with cone receptors ...

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Ok after searching a whole lot on the internet I found a slide which answered most of my questions and doubts. I'm dumping it here in-case anybody else is curious what these datasets usually contain and what should be (in my opinion) the correct way to handle mappings. So apparently the CT scanner always records the densities of the substances in Hounsfield ...

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It seems you want to work with values between 0-255. For uint16 datasets, you can put it inside 0-255 range like this: $newValue = 255 * \frac{oldValue}{(2^{16} - 1)}$ where $oldValue$ is an uint16 value and $2^{16} - 1$ is the uint16 max number. For the float ones without any previous knowledge about its range, you could read all the values from the ...

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