diff options
Diffstat (limited to 'DOCS/man/options.rst')
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1 files changed, 10 insertions, 6 deletions
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index bcf207470a..07f961af83 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -4012,12 +4012,16 @@ The following video options are currently all specific to ``--vo=opengl`` and this too low (eg. 0.5) leads to bad results. It's generally recommended to stick to values between 0.8 and 1.2. -``--scale-clamp``, ``--cscale-clamp``, ``--dscale-clamp``, ``--tscale-clamp`` - Clamp the filter kernel's value range to [0-1]. This is especially useful - for ``--tscale``, where it reduces excessive ringing artifacts in the - temporal domain (which typically manifest themselves as short flashes or - fringes of black, mostly around moving edges) in exchange for potentially - adding more blur. +``--scale-clamp=<0.0-1.0>``, ``--cscale-clamp``, ``--dscale-clamp``, ``--tscale-clamp`` + Specifies a weight bias to multiply into negative coefficients. Specifying + ``--scale-clamp=1`` has the effect of removing negative weights completely, + thus effectively clamping the value range to [0-1]. Values between 0.0 and + 1.0 can be specified to apply only a moderate diminishment of negative + weights. This is especially useful for ``--tscale``, where it reduces + excessive ringing artifacts in the temporal domain (which typically + manifest themselves as short flashes or fringes of black, mostly around + moving edges) in exchange for potentially adding more blur. The default for + ``--tscale-clamp`` is 1.0, the others default to 0.0. ``--scale-cutoff=<value>``, ``--cscale-cutoff=<value>``, ``--dscale-cutoff=<value>`` Cut off the filter kernel prematurely once the value range drops below |