Correcting Tone and Exposure - Beginning Photo Retouching and Restoration Using GIMP - page 77

It's much improved but could benefit from some color-correction work (Figure 3-51 ), which we'll
explore in Chapter 4.
Figure 3-51. Before and after comparison
Summary
In this chapter, you learned about the most common tonal problems and how to assess them, using the
histogram. The Color Picker tool is a useful tool for sampling pixels, to determine brightness and RGB values.
The assortment of tutorials demonstrated some powerful methods for making a variety tonal corrections in
images, using GIMP. In the next chapter, you'll learn about working with color.