Color Correction and Restoration - Beginning Photo Retouching and Restoration Using GIMP - page 93

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

and white point sliders (Figure 4-23 ) and click OK.

Figure 4-23. Adjusting the levels in the Blue channel

After rebalancing each color channel, the final result has improved contrast, and the colors are much
better (Figure 4-24 ).

Figure 4-24. Before and after comparison