Pixelization
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Pixelization is a video- and image-editing technique where an image, or part of it, is blurred by displaying part or all of it at a lower resolution. A familiar example of pixelization can be found in television news and documentary production, where vehicle license plates and faces of suspects at crime scenes are routinely obscured to maintain the presumption of innocence, and footage showing human genitalia is likewise obscured to preserve common decency.
It has also been used for artistic effects, notably in the art print The Wave of the Future, a reinterpretation of Katsushika Hokusai's The Great Wave at Kanagawa. In this updated print, the image of the large ocean wave shifts from the traditional style of the Japanese woodcut print through a pixelated image and finally to a wireframe computer graphics image.
Pixelation is available as a standard Photoshop filter. Template:Tech-stub