[FFmpeg-user] very strong contrast enhancement

Michael Koch astroelectronic at t-online.de
Mon Feb 25 17:03:30 EET 2019

Am 25.02.2019 um 15:58 schrieb Paul B Mahol:
> On 2/25/19, Michael Koch <astroelectronic at t-online.de> wrote:
>> Which is the recommended filter for a very strong contrast enhancement,
>> up to a factor of 10?
>> The eq=contrast=... filter allows only a maximum of 2. Could this be
>> changed to allow higher values?
>> As a workaround I'm using 3 or 4 cascaded eq filters.
> Is your source RGB or YUV?
> There are missing filters for gamma/saturation/hue/contrast in RGB.



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