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Old 31st March 2005, 12:43   #11  |  Link
Manao
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Join Date: Jan 2002
Location: France
Posts: 2,856
M7S : it will indeed make a large radius blur, but it will be slower than the downsizing / upsizing combo. Another way ( in YV12 only ) would be to use YV12Convolution with the horizontal and vertical vectors equal to something like "1 2 1" or "1 4 6 4 1" or "1 6 15 20 15 6 1" and so on... It should be faster than the blurs combo on very high radius, but it'll be slower ( i think )than the down/upsize combo.
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