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Gamma Correction
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Gamma correction is a function of a projector that corrects errors between the
true value of each pixel coming from an inputted signal, and the actual intensity
that the projector ends up displaying in that pixel. In simple terms, display
technologies project incoming color values incorrectly and need to be adjusted.
Gamma correction allows the user to adjust the values of the inputted signal to
give you a more detailed picture. Gamma correction changes the relationship of
red to green to blue, and hence can dramatically affect the overall image.
Here's an example: the first image is an image that has not been gamma corrected,
while the second image shows the application of proper gamma correction.
Notice the details that come out with proper gamma correction, such as the grass
and the road detail.
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