Abstract

Publisher Summary This chapter covers color imaging with particular focus upon photographic imaging and photomechanical reproduction processes. The primary emphasis in the photomechanical reproduction part of this chapter is on process color printing—that is, pictorial printing in natural color, rather than flat or solid color printing for such non-pictorial products as type-only labels or posters. A photosensitive system that is now being employed in camera systems is the charge coupled device (CCD) that replaces film. The imaging processes used in the printing industry for the photomechanical reproduction process have been based upon electronic scanning devices as far back as the early 1950s. Today, virtually all color imaging tasks in the printing industry are handled by electronic scanning and related systems. The most common printing process is the lithographic process. The viewing conditions for pictorial images exert a greater influence on color perception than in those cases where flat or non-pictorial colors are being evaluated. The light source's color temperature, intensity, spectral distribution; the color, size, and intensity of the surround; and the presence of nearby non-neutral reflecting surfaces can all influence the perception of the color image.

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