Pixelation is a video distortion problem caused by digitization or compression technology, where the individual pixels are replace with blocks of pixels, giving a blocky look to the picture.
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| - Pixelation is a video distortion problem caused by digitization or compression technology, where the individual pixels are replace with blocks of pixels, giving a blocky look to the picture.
- In some cases, the resolution of an image or a portion of an image is lowered to introduce pixelation deliberately. This effect is commonly used on television news shows to obscure a person's face or to censor nudity or vulgar gestures, and is also used for artistic effect. This effect is called pixelization. Making pixels easily visible is also a main feature in pixel art which is where the graphics are made in low resolutions for effect.
- Pixellation is a drug taken by various folk in order to induce a sense of 2Dness and 2Dness. This can also be achieved by the use of beer goggles.
- Unfortunately, pixelation reared its ugly head once more in the realm of real-time 3D computer graphics. Here, bitmaps are applied to polygons as textures. As a camera approaches a textured polygon, simplistic nearest neighbor texture filtering would simply zoom in on the bitmap, creating drastic pixelation. The most common solution is a technique called pixel interpolation that smoothly blends or interpolates the color of one pixel into the color of the next adjacent pixel at high levels of zoom. This creates a more organic, but also much blurrier image. There are a number of ways of doing this; see texture filtering for details.
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| abstract
| - Pixelation is a video distortion problem caused by digitization or compression technology, where the individual pixels are replace with blocks of pixels, giving a blocky look to the picture.
- In some cases, the resolution of an image or a portion of an image is lowered to introduce pixelation deliberately. This effect is commonly used on television news shows to obscure a person's face or to censor nudity or vulgar gestures, and is also used for artistic effect. This effect is called pixelization. Making pixels easily visible is also a main feature in pixel art which is where the graphics are made in low resolutions for effect.
- Pixellation is a drug taken by various folk in order to induce a sense of 2Dness and 2Dness. This can also be achieved by the use of beer goggles.
- Unfortunately, pixelation reared its ugly head once more in the realm of real-time 3D computer graphics. Here, bitmaps are applied to polygons as textures. As a camera approaches a textured polygon, simplistic nearest neighbor texture filtering would simply zoom in on the bitmap, creating drastic pixelation. The most common solution is a technique called pixel interpolation that smoothly blends or interpolates the color of one pixel into the color of the next adjacent pixel at high levels of zoom. This creates a more organic, but also much blurrier image. There are a number of ways of doing this; see texture filtering for details. Image:Alleycat cropped.gif Pixelation is a problem unique to bitmaps. Alternatives such as vector graphics or purely geometric polygon models can scale to any level of detail. This is one reason vector graphics are popular for printing — printed documents have about 9 times as many pixels per area as a screen. Another solution sometimes used is algorithmic textures, textures such as fractals that can be generated on-the-fly at arbitrary levels of detail. Image:Pixel interpolation.png
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