Most digital images intended for viewing are generally assumed to be in sRGB colour space, which is gamma-encoded. This means that a linear increase of value in colour space does not correspond to a linear increase in actual physical light intensity, instead following more of a curve. If we want to mathematically operate on colour values in a physically accurate way, we must first convert them to linear space by applying gamma decompression. After processing, gamma compression should be reapplied before display. The following C code demonstrates how to do so following the sRGB standard:
Marriage was banned at Annapolis and girlfriends discouraged. The navy did not want its midshipmen wasting their time on such frivolities.
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FT Digital Edition: our digitised print edition
Once the image is generated, we can do pretty much whatever we want with it: use it to generate a .qcow2 image for a VM, couple it with anaconda to do a bare-metal installation, store it in an image registry to deploy on cloud servers, etc.