Datavideo DVK-300HD Instruction Manual page 19

Hd/sd chromakey
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A view after the green component has been eliminated
Another function enables a more accurate adjustment of the above problem. The use of the
Despill fine function eliminates the keyed background colour from the object, but this time
on the basis of the chrominance components.
The Despill fine slider
After the application of Despill coarse, which is used for preliminary correction, more
accurate adjustments can be made, and so the Despill fine settings may not have any
significant impact on the algorithm if Despill coarse is set to high.
Impact of the background on the object – a view after a Despill correction
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