Digital Tilt-Shift Photography

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Tilt-shift photography refers to a technique used to achieve a very shallow depth of field in a photograph. Tilting the lens changes the plane of focus, while shifting controls perspective.
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Contributed by: Yu-Sung Chang (April 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The size of the transition area around the mask is controlled by "threshold". The larger its value, the smoother the transition between focused and blurred areas will be.
Permanent Citation
"Digital Tilt-Shift Photography"
http://demonstrations.wolfram.com/DigitalTiltShiftPhotography/
Wolfram Demonstrations Project
Published: April 19 2011