Color Correction and Restoration - Beginning Photo Retouching and Restoration Using GIMP - page 96

Figure 4-28. Adjusting the levels in the Red channel

5. Select the Green color channel and repeat the same steps with the black and

white point sliders as before (Figure 4-29 ).

Figure 4-29. Adjusting the levels in the Green channel

6. Finally, select the Blue color channel and repeat the same steps with the black

and white point sliders as previously (Figure 4-30 ) and click OK.