Learn how to add stars to a night time sky. For this effect, we cover the use of the
This command adds random dots to an image, emulating the effect of using high-speed film such as 1600 ISO. Add noise is also used to reduce bands of lines in selections that have been feathered or gradients, as well as to give a more realistic feeling to areas of your photo that have had heavy retouching done.
add noise and gaussian blur filters, create a custom selection with the
This command allows you to select a specified color or range of colors. If
you want to replace a selection, remember to deselect all before applying the command.
Levels is used to correct the tonal range and the color balance of an image. It does this by adjusting the intensity of the shadows, midtones, and highlights of your image.