Summary: Editing curves and brightness in Adobe Photoshop is an important part of the image editing process, get a tutorial in this free video.
Daniel Kallenberger is a teacher at a technical college., teaching animation and visual arts, including Photoshop. He also worked for a major local affiliate for 14 years. He currently...read more
" My name is Dan Kallenberger I am an instructor at a technical college teaching Visual Communications and Photoshop as well as other Adobe products, I am going to be showing you Photoshop CS2 today. Right now we’ll move into curves, curves right after color adjustment we can use curves and it’s a neat way to go into photographs and change the brightness levels with a little more control. Adjustments curves brings up a dialog box that looks like this with a graph. We can choose to move the graph to make the brights get brighter; we can take the brights and take them darker. We can take the darks and make them lighter, so we can use this tool to invert images, but the powerful thing about curves is the word curve where you can actually make the graph to actually make special effects out of photographs that you might not normally be able to make. I can take all the midrange levels and bring them to dark. I can bring the low levels up to brighter and I can change the light levels and bring them back a little bit, and what you can do is make curves. They got a set of tools that you can use, you can play with them, save them, load them if you like a certain curve or certain photograph for a certain affect you can do a lot of those changes, you can invert it with this tool here, there’s a lot of neat special affects you can do and that is curves."
eHow Article: Editing Curves & Brightness in Photoshop