FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Under Picture Tools, on the Format tab, in the Adjust group, click Contrast. Click the contrast percentage that you want. To fine-tune the amount of contrast, click Picture Corrections Options, and then move the Contrast slider, or enter a number in the box next to the slider.

Detailed explanation-2: -In the image menubar through Colors → Brightness-Contrast…. By clicking the tool icon in the toolbox if this tool has been installed there.

Detailed explanation-3: -Answer. Click the picture that you want to change the brightness or contrast for. Under Picture Tools, on the Format tab, in the Adjust group, click Corrections. Under Brightness and Contrast, click the thumbnail that you want.

Detailed explanation-4: -Go to Layer-> New Adjustment Layer-> Brightness/Contrast (alternatively, you can open the Adjustments panel and click on the Brightness/Contrast icon). Drag the slider that controls Contrast to the right to increase the image’s contrast. The Contrast range is between-50 and 100.

Detailed explanation-5: -To adjust the brightness of an image, we change the value of all pixels by a constant. Adding a positive constant to all of the image pixel values makes the image brighter. Similarly, we can subtract a positive constant from all of the pixel values to make the image darker.