While sharp focus can freeze motion in time, blurring can create a powerful impression of movement. Photoshop's Motion Blur filter is designed with this in mind.
The Motion Blur Filter
1. Preparation:Using Motion Blur effectively takes a little preparation. Used straight on an image, it creates a loss of detail, or merely replicates the effect of camera shake. In this image, we want to preserve detail while creating a feeling of rapid motion. 2. Selection:
To start, make a feathered selection of the rear half of the girl. A Feather setting of about 6 pixels should be sufficient for a lowresolution shot, but you need to use higher values for high-resolution images.
Finish a "quick and dirty" selection -- the blur effect means that accuracy isn't vital -- then press
Ctrl/Cmd + J to copy and paste it to a new layer.
Call the new layer "copied selection."
3. Now Blur Keep the copied selection layer active and go to
Filter > Blur > Motion Blur. Set the angle to 0 degrees and the distance to 90 pixels.
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to move the selection to the right.
This gives the impression that the girl is leaving a blur of movement in her wake.
For a stronger effect, merely duplicate the copied selection layer.
TIP Blurring with Blend Modesand its result like this :
After duplicating the copied selection layer, try changing the blend mode of the top version to Lighten.
This produces an almost ghostly effect.
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