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how can i calculate -3dB of given picture?

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Answers (2)

Honglei Chen
Honglei Chen on 21 Sep 2012
You could do 3dB in U and V direction separately along 2D cut.
Walter Roberson
Walter Roberson on 21 Sep 2012
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Walter Roberson
Walter Roberson on 21 Sep 2012
You cannot calculate -3dB of an image. You need to calculate -3dB of the data that was used to construct the image.

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