This is an old revision of this page, as edited by 203.200.24.199(talk) at 07:32, 30 September 2003(edge detection is high pass filtering). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 07:32, 30 September 2003 by 203.200.24.199(talk)(edge detection is high pass filtering)