Adobe AFTER EFFECTS CS3 PROFESSIONAL User Manual page 469

AFTER EFFECTS CS3 463
User Guide
• Click a Compensation Sample Point's point parameter in the Effect Controls panel, and then click where you
want to move the point in the Composition panel.
Choose Final Output from the Viewing Mode control.
5
Median effect
The Median effect replaces each pixel with a pixel that has the median color value of neighboring pixels with the
specified Radius. At low Radius values, this effect is useful for reducing some types of noise. At higher Radius values,
this effect gives an image a painterly appearance.
This effect works with 8-bpc and 16-bpc color.
Original (left), and with effect applied (right)
Noise effect
The Noise effect randomly changes pixel values throughout the image.
This effect works with 8-bpc, 16-bpc, and 32-bpc color.
Original (left), and with effect applied (right)
The amount of noise to add.
Amount Of Noise
Use Color Noise adds random values to the red, green, and blue channels individually. Otherwise, the
Noise Type
same random value is added to all channels for each pixel.
Clips color channel values. Deselecting this option causes more apparent noise. This control does not work
Clipping
in a 32-bpc project.
Noise Alpha effect
The Noise Alpha effect adds noise to the alpha channel.
This effect works with 8-bpc color.
The type of noise. Unique Random creates equal amounts of black and white noise. Squared Random creates
Noise
high-contrast noise. Uniform Animation creates animated noise, and Squared Animation creates animated high-
contrast noise.
The magnitude of the noise.
Amount