9
Retouching and Restoration
In the previous chapter we saw how color grading can be used to subjectively enhance digital images, by balancing tones and creating artistic looks for different kinds of footage. Color grading is also used to repair damaged footage, where colors may have faded over time, or lighting, exposure, or stock problems have caused the incorrect recording of color information.
Damage to images usually affects more than just the color content, however. Archival film stock can suffer from a range of defects, including scratches, dust, mold, and stains. Old video footage might have picture dropout or tracking errors. Even well looked-after, new film and video footage may suffer from any of these effects to some degree. Digital ...
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