Brightness refers to amount of light, 100% is maximum light and 0% is minimum light or no light - black.
Levels in Photoshop are color and brightness correction.
color correction,brightness-contrast correction,converting to black-white...
Photoshop can be used to crop pictures, remove or replace unwanted objects, adust the brightness/exposure, saturation, and hue, or to add artistic effects to a photo.
in photoshop you change it via adjustments panel. just go to the window tab and click on adjustments and then the sun icon. from here you can change the brightness and contrasts.
The features that come with the Photoshop CS3 are it's accuracy, it's new interface design, it's performance, the new curves, the new brightness and contrast, and/or it's black and white adjustments.
To remove glare in Photoshop, you can use the Clone Stamp Tool or the Healing Brush Tool to carefully blend and cover up the glare. Additionally, you can adjust the brightness and contrast levels of the image to reduce the glare effect.
To reduce flash glare in Photoshop, you can use the "Healing Brush Tool" or the "Clone Stamp Tool" to carefully blend and cover up the glare. Additionally, you can adjust the brightness and contrast levels of the image to minimize the glare effect.
You can adjust if they are applied to Shadows, Midtones, Highlights, or the Saturation, you can adjust the strenth of each variation, you can adjust the hue of the variation, or you can adjust the brightness by using variations.
To make wood white in Photoshop, you can use the "Hue/Saturation" adjustment layer to desaturate the colors and make the wood appear white. You can also use the "Levels" adjustment layer to adjust the brightness and contrast of the wood to achieve a white color.
You can turn color pictures into black and white. You can adjust the sharpness and brightness. You can also make pictures bigger or smaller.
In Photoshop U can use Curves from Adjustments palette or Brightness/Contrast and in Camera Raw all adjustments are non-destructive.
To adjust the brightness levels of the overal picture, or individual R,G,and B values by either boosting or limiting the light and dark values, or adjusting the bias of the gamma.