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| 16 colors |
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| Low Fidelity |
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| High Fidelity |
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| Original with increased contrast |
Vector images are mathematical calculations from one point to another that form geometrical shapes. When a raster image is scaled up, it usually loses quality. A raster image can be enlarged by either adding more pixels or enlarging the size of the pixel. Either way you are spreading the original data over a larger area at the risk of losing clarity.
Raster Image: a dot matrix data structure representing a generally rectangular grid of pixels.
Vector Image:graphics is the use of geometrical primitives such as points, lines, curves, and shapes or polygons all of which are based on mathematical expressions.
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