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paag:blur [2019/04/07 10:57] (current)
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 +[{{ paag_blur.png|a) the circle boundary (emphasized in yellow) is significantly less distinct due to blur}}] **Blur** refers to the parts of a depiction which become less distinct and less defined.
 +Unintended blur can happen as the result of applying the averaging of values excessively in an attempt to lessen [[aa|aliasing]] artifacts.
 +Blur itself can be perceived as an unwanted artifact if it destroys the clarity of a part which was originally intended to appear crisp.
 +Blur may be used intentionally,​ for example to emphasize perceptual effects like soft shadows, a lack of detail in some light/​shadow situations, [[motion blur]] or unfocused areas.
 +Shown in the example are an aliased circle, an anti-aliased circle and a blurred circle.
 +further reading:
 +  * [[wp>​Defocus_aberration|Defocus aberration]]
 +  * [[wp>​Bokeh|]]
paag/blur.txt ยท Last modified: 2019/04/07 10:57 (external edit)