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[Juergen Schmidhuber]

              SEMILINEAR PREDICTABILITY MINIMIZATION 
	   PRODUCES ORIENTATION SENSITIVE EDGE DETECTORS

       Technical Report FKI-201-94 (7 pages, 0.95 Megabytes) 
             Juergen Schmidhuber       Bernhard Foltin
                     Fakultaet fuer Informatik 
                  Technische Universitaet Muenchen  
                      80290 Muenchen, Germany 

			 December 24, 1994
           
    Static real world images are processed by a computationally 
    simple  and  biologically plausible  version of  the recent 
    predictability  minimization   algorithm  for  unsupervised 
    redundancy  reduction.  Without a  teacher and  without any 
    significant pre-processing, the system automatically learns 
    to generate  orientation  sensitive  edge  detectors in the 
    first (semilinear) layer.

To obtain a copy, do:

	     unix>         ftp flop.informatik.tu-muenchen.de  
	                   (or ftp 131.159.8.35)
	     Name:         anonymous
             Password:     your email address 
	     ftp>          binary
	     ftp>          cd pub/fki
             ftp>          get fki-201-94.ps.gz  (0.222 MBytes)
	     ftp>          bye
	     unix>         gunzip fki-201-94.ps.gz
	     unix>         lpr fki-201-94.ps

Alternatively, check out
http://papa.informatik.tu-muenchen.de/mitarbeiter/schmidhu.html
If your net browser does not know gzip/gunzip (which works better
than compress/uncompress), I can mail you an uncompressed 
postscript version (as a last resort).

Merry Christmas!
Juergen Schmidhuber