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I call it `mobius` because apparently the form f(x) = (cx+a)/(dx+b) is called a Möbius transform, which is the algorithm this is based on. In the extremes it becomes `reinhard` (param=0.0 and `clip` (param=1.0), smoothly transitioning between the two depending on the parameter. This is a useful tone mapping algorithm since the tunable mobius transform allows the user to decide the trade-off between color accuracy and detail preservation on a continuous scale. The default of 0.3 is already far more accurate than `reinhard` while also being reasonably good at preserving highlights, without suffering from the overall brightness drop and color distortion of `hable`. For these reasons, make this the new default. Also expand and improve the documentation for these tone mapping functions. |
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| .. | ||
| man | ||
| client-api-changes.rst | ||
| compile-windows.md | ||
| contribute.md | ||
| edl-mpv.rst | ||
| encoding.rst | ||
| interface-changes.rst | ||
| mplayer-changes.rst | ||
| release-policy.md | ||
| tech-overview.txt | ||
| waf-buildsystem.rst | ||