17.3 The Enhance Filters

There are eight entries in the Enhance menu. As in the Blur menu, the first entry lacks a dialog.


The Antialias filter can be used to add antialiasing to borders within an image.

Figure 17-21 (left) shows a line drawn with the Pencil tool, zoomed to 800%. Figure 17-21 (right) shows the same line after antialiasing. The filter operates instantly, without any dialog.


A video camera simulates motion by capturing a large set of images, usually 25 or 30 frames per second. More accurately, the video camera captures 50 or 60 half-frames per second. These half-frames, called fields, are composed of horizontal lines separated by a distance equal to their height. A frame is built by interlacing two fields from top ...

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