Adobe 65011817 User Guide - Page 75

Convert an image to a transparency, Sharpen an image, Sharpen, Sharpen More, Unsharp Mask

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USING FIREWORKS CS4 69 Working with bitmaps Original; after applying Find Edges Convert an image to a transparency Convert an object or text into a transparency based upon the transparency of the image. Do one of the following: • In the Property inspector, click the plus (+) icon next to the Filters label, and then select Other > Convert to Alpha from the Filters pop-up menu. • Select Filters > Other > Convert to Alpha. Sharpen an image Use a Sharpen option to correct blurry images: Sharpen Adjusts the focus of a blurred image by increasing the contrast of adjacent pixels. Sharpen More Increases the contrast of adjacent pixels about three times as much as Sharpen. Unsharp Mask Sharpens an image by adjusting the contrast of the pixel edges. This option offers the most control, so it is usually the best option for sharpening an image. Original; after sharpening 1 Select the image. 2 Do one of the following: • In the Property inspector, click the plus (+) icon next to the Filters label, select Sharpen, and then select a Sharpen option from the Filters pop-up menu. • Select Filters > Sharpen > [sharpen option]. The Sharpen or Sharpen More options take effect. 3 (Unsharp Mask option) Drag the Sharpen Amount slider to select the amount of sharpening effect from 1% to 500%. 4 Drag the Pixel Radius slider to select a radius from 0.1 to 250. Last updated 3/8/2011

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69
USING FIREWORKS CS4
Working with bitmaps
La
s
t updated 3/8/2011
Original; after applying Find Edges
Convert an image to a transparency
Convert an object or text into a transparency based upon the transparency of the image. Do one of the following:
In the Property inspector, click the plus (+) icon next to the Filters label, and then select Other
> Convert to Alpha
from the Filters pop-up menu.
Select Filters
> Other
> Convert to Alpha.
Sharpen an image
Use a Sharpen option to correct blurry images:
Sharpen
Adjusts the focus of a blurred image by increasing the contrast of adjacent pixels.
Sharpen More
Increases the contrast of adjacent pixels about three times as much as Sharpen.
Unsharp Mask
Sharpens an image by adjusting the contrast of the pixel edges. This option offers the most control, so
it is usually the best option for sharpening an image.
Original; after sharpening
1
Select the image.
2
Do one of the following:
In the Property inspector, click the plus (+) icon next to the Filters label, select Sharpen, and then select a
Sharpen option from the Filters pop-up menu.
Select Filters
> Sharpen
>
[sharpen option]
.
The Sharpen or Sharpen More options take effect.
3
(Unsharp Mask option) Drag the Sharpen Amount slider to select the amount of sharpening effect from 1% to 500%.
4
Drag the Pixel Radius slider to select a radius from 0.1 to 250.