posterization

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posterization

The effect produced when a photographic image is displayed or printed with a small number of colors or shades of gray. For example, displaying color photographs or video with 16 colors produces a visible posterization, but the images are discernible. At 256 colors, the flesh tones on color images are still mildly posterized. For realistic flesh tones, it takes 65K colors. For absolute realism, it requires 16M colors.

Posterization - 128 Colors

These examples show how an image posterizes as fewer colors are used to display it. The picture above is displayed with 128 colors, and each of the following pictures is halved.

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No references found			This clear, easy-to-follow book shows amateur photographers how to simulate traditional darkroom techniques such as graininess, motion blurring, posterization, hand-tinting and filtering. Photoshop CS3 Photo Effects cookbook, 2d ed by SciTech Book News I accessed the index and easily found a tutorial on posterization with links to relevant sections for additional information. 123di V5 A Review of the Digital Photographer's Library in A Box by Royce Tivel / Reference and Education community Shown, among many others are techniques for using the improved Vanishing Point, Lens Blur, and Black & White filters and for creating graphic art effects: posterization, watercolor, pen and ink. Photoshop CS3 Photo Effects Cookbook: From Inspiration to ... by Ashbrook, Stan / PSA Journal			postcure bonding postcure finish POSTDATA postdecrementing postdeflection accelerating electrode postdeflection acceleration posted occupancy and use posted write-through postedit Postel, Jon Postelnaia Kazna Postelnichii Postembryonic Development postemphasis postencephalitic parkinsonism postequalization Poster poster board poster paint poster paper posterior posterior chamber posterior distribution posterior horn posterior probabilities posterization postern postfix notation postfix syntax postformed plywood postforming Postganglionic Nerve Fiber Postglacial Postglossarists postgraduate POSTGRES PostgreSQL Postharvest Ripening of Seed postheating posthitis posthole posthumous structure Posthumus postiche posticum postignition postigo postilion Postimpressionism postincrementing postindexing			Posterior Wall of the Bronchus Intermedius Posterior Wall Thickness Posterior Wall Thickness in Diastole Posterior Wall Thickness in Systole posterior-anterior posterior-anterior posterior-anterior posterior-anterior posterior/anterior drawer test Posteriora derogant prioribus Posteriores Posteriores Posteriores Posteriores posteriority posteriority posteriority posteriority posteriorly posteriorly posteriorly posteriorly Posteriors Posteriors Posteriors Posteriors Posterisation posteritas posterity posterity posterization Posterize postern postern postern posterns posterns posterns Postero postero- Postero-Lateral Lateral Suprasylvian Postero-lateral sulcus posteroanterior posteroanterior posteroanterior extraoral radiographic examination posteroanterior extraoral radiographic examination posteroanterior extraoral radiographic examination posteroanterior extraoral radiographic examination posteroclusion posteroexternal posteroinferior posterointernal posterolateral posterolateral groove posterolateral segment artery Posterolateral sulcus posterolateral thoracotomy posteromedial posteromedial central arteries of posterior communicating artery Posteromedial Hypothalamus Posteromedial Lateral Suprasylvian Area

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