210 Corel PaintShop Pro X7 User Guide
3 Type or set a value in the Filter Aperture control to choose the
number of surrounding pixels to include in determining the
median pixel intensity.
Values range from 3 to 31 in odd-numbered increments.
Note: To preserve image details, choose the smallest filter that
removes the noise. For single-pixel colored specks, set the filter to
3.
4 Click OK.
Although you can apply the Median Filter command to the
entire image, the command works best when you select the
problem area.
To remove multipixel specks
Edit workspace
1 Select the area that contains the specks.
2 Choose Adjust Add/Remove Noise Salt and Pepper Filter.
The Salt and Pepper Filter dialog box appears.
3 Type or set a value in the Speck size control to set the minimum
size, in pixels, of the largest speck that can be completely
removed. The value is always an odd number.
4 Type or set a value in the Sensitivity to specks control to set how
different an area must be from its surrounding pixels to be
considered a speck.
5 Click OK.
Although you can apply the Pepper Filter command to the
entire image, the command works best when you select the
problem area.
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