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Image
Image.Image
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Method Image.Image()->gamma()
- Method
gamma
object gamma(float g)
object gamma(float gred, object floatggreen, object floatgblue)
- Description
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Calculate pixels in image by gamma curve.
Intensity of new pixels are calculated by:
i' = i^g
For example, you are viewing your image on a screen
with gamma 2.2. To correct your image to the correct
gamma value, do something like:
my_display_image(my_image()->gamma(1/2.2);
- Parameter g
- Parameter gred
- Parameter ggreen
- Parameter gblue
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gamma value
- Returns
-
a new image object
- See also
-
grey , `* , color
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