Brightness and Contrast
Adjusting the brightness makes the image more visible due to higher lighting condition. You can either light up an image or darken it. Contrast however adjusts the tonal range of an image where the dark gets darker and white gets whiter. To better understand: Here is a Tutorial about Applying Brightness and Contrast
Curves
In a Curves Adjustment tool, it is a way of adjusting the Shadows, Midtones and Highlights using a control point line. Moving the points allows you to have more control over specific tonal range. Know more about Curves: Use Adjustment Curves
Levels
It is a tool that helps you adjust Highlights, Midtones and Shadows to control the amount of input that you would like for your image. Adjusting the level tool is easy, you can move them left to right. Read More: Get to know more about levels
No comments yet.