Справочник Пользователя для Autotek autocad raster design 2010

4 Click Median Filter.

5 Click Run Filter to filter the image(s).

6 Enter a filter (or matrix) size. This filter uses a matrix for smoothing the

pixels. For example, a filter size of 3 would filter each pixel by averaging
the values of the 8 surrounding pixels.

NOTE The filter size must be an odd number.

7 Click OK to apply the filter.

Menu

Image  ➤  Image Processing  ➤  Convolve,Smoothing Filters

Raster Design Toolbar

Command Line

iconvolve

Dialog Box

 (page 324)

You can use the sharpening filters on grayscale images to make differences in
shading more distinct.

Sharpening filters can enhance edges in the image. It may be necessary to use
these filters to extract the highest amount of useful data from a low resolution
scan.

 (page 396), see

 (page 109) and 

 (page 110).

 (page 396) to speed up the editing

commands.

Convolving an Image | 107