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Internet Message Format  |  1993-01-21  |  565 b 
  1. Path: sparky!uunet!olivea!mintaka.lcs.mit.edu!ai-lab!hal.gnu.ai.mit.edu!bstevens
  2. From: bstevens@hal.gnu.ai.mit.edu (Bob Stevens)
  3. Newsgroups: comp.graphics
  4. Subject: Find Edges Filter
  5. Message-ID: <1jmkptINNe8o@life.ai.mit.edu>
  6. Date: 21 Jan 93 16:59:41 GMT
  7. Organization: /etc/organization
  8. Lines: 5
  9. NNTP-Posting-Host: hal.gnu.ai.mit.edu
  10.  
  11. 'm trying to find a reference to the type of edge detection that is used in
  12. Photoshop's Find Edges filter.  It's much better than a convolve based edge
  13. detection and doesn't look like a contour trace.  Any code or references?
  14.  
  15. Bob
  16.