Correcting Tone and Exposure - Beginning Photo Retouching and Restoration Using GIMP - page 51

Figure 3-16. .The background layer duplicated and renamed Contrast Adjustment

3. Open the Levels dialog box (Image Menu ➤ Colors ➤ Levels). Looking at the

histogram, we can see that the image pixels are mainly in the middle range; it
lacks shadow and highlight areas (Figure 3-17 ).