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High Contrast with Photoshop's Posterize Command

Photoshop's Posterize command can also be used to create high-contrast images. Its dialog box (accessed by choosing Image > Adjustments > Posterize) has only one parameter: You type in the number of different tones in your final image. In practice, once you include more than about 16, the image tends to look like an ordinary photograph. Figure 3.30 shows our clown rendered in 4, 8, 12, and 16 different levels.

Figure 3.30. Photoshop's Posterize command produces effects like these at 4, 8, 12, and 16 different levels of color.

Figure 3.30. Photoshop's Posterize command produces effects like these at 4, 8, 12, and 16 different levels of color.

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