Why turn a photographic image into digits?
Working through the photographic process from an exposed camera negative to a cinema release print is a well-known process, discussed in the previous chapter, and works exceptionally well. Likewise, the scanning of a film negative, or print, so that it may be shown on television is a well-established procedure and has become very reliable.
Scanning and grading a photographic image for television transmission has some advantages over simply making a photographic print since, in addition to the ability to alter the red, green and blue components of the picture, together with overall density, it is easy, electronically, to alter the yellow, cyan and magenta components, as well as ...
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