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Question about inferring a 2D filter from its frequency spec
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PostPosted: Wed Oct 08, 2008 12:08 am    Post subject: Question about inferring a 2D filter from its frequency spec Reply with quote
Dear all,
I am working on a 2D convolution problem. I have estimated the
frequency spectrum |H(u, v)| now I wish to infer the 2D filter f(x,
y).
I just don>t know a way to work it out from the spectrum, although I
may have several constraints of f(x, y) in the spatial domain
forassistance.

It will also be helpful if there>s a good way to easily compute
derivative d|H(u, v)|/df(x, y), that I can optimize f(x, y) in the
spatial domain.

Any ideas?

Thanks!
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