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Red.S.Sędziwy,SchedaeInformaticae,Vol.17/18December2009
Kraków2009,ISSN0860-0295,©byUJ
15
Tab.1.Roadrecognitionerrorforpicturesonwhichthenetworkhasbeentrained
Originalimage
Detectedroad
Actualroad
14,9%
0,19%
Error
Thehighestestimationerroroftheroadidentificationprocesswas15.82%,thelow-
est0.32%,whiletheaverageerrorofroadrecognitioninthissolutionwasequalto
3.28%.Theresultsofsystemperformanceinthecaseofthehighestandthelowest
errorarepresentedinTab.2.
Tab.2.Roadrecognitionerrorforpicturespreviouslyunknowntothenetwork
Originalimage
Detectedroad
Actualroad
15,82%
0,32%
Error
Thesecondsolutionisahybridsystem,whichusesaKohonennetworkinaddition
tothePerceptron.HowthesecondsystemworksisillustratedinFig.5.Photos
usedfortheresearcharenotidenticalandsometimestheydifferinmanyareas.It
wasobservedthatitisveryeasytodividethemintogroups.Anautomaticclassifier
hasbeenusedinordertodividethemquickly.TheKohonennetworkmanagedto
performthistaskverywell.
