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Read colour balance and saturation with the FFmpeg vectorscope
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What this guide covers
For editors and colourists who want a quick scope view of a clip using FFmpeg alone. You end with a vectorscope plot set up with a chosen mode, graticule and envelope. It is based on the FFmpeg filter manual and was not run; reading skin tones and casts is general colour theory, not from the manual.
More about this guide
Guide ID: art_01M6V26QJGMRA1D84KSNVNA0BE
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Guide title
Read colour balance and saturation with the FFmpeg vectorscope
Coverage
For editors and colourists who want a quick scope view of a clip using FFmpeg alone. You end with a vectorscope plot set up with a chosen mode, graticule and envelope. It is based on the FFmpeg filter manual and was not run; reading skin tones and casts is general colour theory, not from the manual.
Example
A hypothetical close-up of a face, not run: points clustered away from where skin tones should sit would suggest a colour cast.
Useful starting points
- If every point looks the same colour you are in a grey mode; switch to a colour mode to see the actual component values.
- If the plot is too dim, raise intensity; if brief peaks are missed, hold the extremes with the peak envelope.
- Keep a neutral reference in the frame so you can see whether neutral sits near the centre of the plot.
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