Color Correction and Restoration - Beginning Photo Retouching and Restoration Using GIMP - page 97

Figure 4-30. Adjusting the levels in the Blue channel
The final result is brighter, with enhanced contrast and improved colors (Figure 4-31 ). The Levels
feature can perform minor miracles on color images.
Figure 4-31. Before and after comparison
Tutorial 13: Restoring Severe Color Loss
The following image has lost a great deal of color information over the years. The photograph (Figure 4-32 )
was taken in 1966 and has suffered severely since then. This tutorial will be a little longer than usual. We'll
use curves to do the majority of the corrections, but there will be some extra steps required to bring it back to
(almost) new.