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when toggle format what by license comment
Nov 13, 2013 at 12:19 comment added user30985 If you want to go into more depth with filter design, have a look at some tutorial. This one looks promising, but I am sure there must be lots of good ones out there.
Nov 13, 2013 at 12:06 history edited user30985 CC BY-SA 3.0
expanded on answer
Nov 13, 2013 at 11:54 history answered user30985 CC BY-SA 3.0