Of course you can add as little or as much blurring as you need and even remove motion blur! This is a useful tool to give video a more film-like feel, and is also useful to reintroduce motion blur for blue or green screen shoots where a fast shutter is necessary to pull a good key. Also included in some RSMB versions is a feature that allows you to blur with user-supplied motion vectors that, most likely, will come from a 3D animation system (see the RE:Vision Effects website for which versions include this feature). Both Twixtor and ReelSmart Motion Blur can see substantial acceleration using GPUs. Note that most currently-sold GPUs will provide customers with much needed acceleration, including even many mobile GPUs for laptops. The total speedup end-users will see will vary once application overhead is taken into account, including disk I/O, internal host buffering schemes, bandwidth of PCIe bus, codec used for footage, as well as features used in the plug-ins.
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