Friday, March 28, 2008

ALIASING

Definition: When a line or any shape (curve, circle or font text character) is painted, and its edges are not perfectly horizontal or vertical, some pixels are only partially covered. The resulting jagged-edged lines are said to be aliased. Aliasing gives lines a "stair-step" or "jaggie" appearance. The greater the number of dots or pixels on your display, the higher the display resolution, and the less noticeable aliasing is to the human eye.

Definition: The visual stair-stepping of edges that occurs in an image when the resolution is too low. This can be caused by improper image sampling or improper image processing.

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