Normalization - adjusts the brightness and contrast of the image.

At this point, the data may be modified so as to adjust brightness, contrast, saturation and hue.

The latter automatically adjusts brightness, contrast and color to the changing light level of the viewing room.

Modern monitors will remember most settings, but be prepared to adjust brightness and contrast as ambient light changes.

I was able to repair red eye, adjust the color and contrast and replace colors in my photograph.

It also has sliders for adjusting brightness and contrast.

The image is then analyzed by software that adjusts color, contrast and exposure as needed.

These systems can also sometimes adjust brightness and contrast to make the enlarged image easier to see.

There is even a built-in microcomputer that automatically adjusts color, brightness and contrast according to light conditions in the viewing room.