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2-D Butterworth lowpass filter?

• To: mathgroup at smc.vnet.net
• Subject: [mg113782] 2-D Butterworth lowpass filter?
• From: hadi motamedi <motamedi24 at gmail.com>
• Date: Fri, 12 Nov 2010 05:28:01 -0500 (EST)

Dear All
Can you please let me know how can I design and apply 2-D Butterworth
lowpass filter to my image in Mathematica? Please be informed that I
can obtain its Fourier transform but I need to design and apply
lowpass Butterworth filtering to it.
Thank you