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Title:RAZPOZNAVANJE REGISTRSKIH TABLIC NA MOBILNEM TELEFONU Z OPERACIJSKIM SISTEMOM ANDROID
Authors:Bačun, Gregor (Author)
Potočnik, Božidar (Mentor) More about this mentor... New window
Files:.pdf VS_Bacun_Gregor_2014.pdf (12,51 MB)
 
Language:Slovenian
Work type:Undergraduate thesis (m5)
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V tem diplomskem delu smo se ukvarjali z razpoznavo registrskih tablic na mobilnem telefonu z operacijskim sistemom Android. Kot izhodiščno metodo smo uporabili detekcijo s konturami. Z uporabo različnih morfoloških operacij smo izboljšali natančnost razpoznave, vključili pa smo še sistem za optično razpoznavo znakov. Nastala je aplikacija, s katero med vožnjo iz video toka zajemamo slike ter na njih lociramo registrske tablice. Iz njih nato izločimo posamezne znake in jih pretvorimo v tekst. V zadnjem koraku enake registrske tablice združimo s pomočjo primerjave histogramov in na ta način še izboljšamo končne rezultate. Uspešnost postopka smo preverjali s pomočjo predhodno zajetega video materiala. Ocenjevali smo uspešnost posameznih faz ter uspešnost celotnega postopka. Rezultati kažejo, da smo glede na metodo, iz katere smo izhajali, uspešnost razpoznave registrskih tablic bistveno izboljšali. Odstotek pravilno razpoznanih registrskih tablic namreč presega 80 %.
Keywords:razpoznavanje registrskih tablic, obdelava digitalnih slik, segmentacija, primerjava histogramov, knjižnica OpenCV, knjižnica Tesseract, operacijski sistem Android
Year of publishing:2014
Publisher:[G. Bačun]
Source:Maribor
UDC:004.932(043.2)
COBISS_ID:17866262 Link is opened in a new window
NUK URN:URN:SI:UM:DK:QLQAOPS3
Views:1018
Downloads:137
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:LICENSE PLATE RECOGNITION ON MOBILE PHONE WITH OPERATING SYSTEM ANDROID
Abstract:In the diploma thesis, we have been dealing with recognition of licence plates on a mobile phone with operating system Android. We have used detection with contours as a starting point method. We used different morphological operations and have improved precision of recognition, including a system for optical sign recognition. We have made an application which can be used for gathering pictures during driving and locating licence plates on the pictures. We can exclude individual signs and change them into the text. The last step is when we join the same licence plates with the help of histogram comparison and improve final results this way. Success of the procedure has been checked with the help of previously gathered video material. We have graded successfulness of individual phases and successfulness of the whole procedure. The results have shown that we have, according to the method we have used, fundamentally improved successfulness of licence plate recognition. The percentage of correctly recognised licence plates exceeds 80%.
Keywords:licence plate recognition, digital picture processing, segmentation, histogram comparison, OpenCV library, Tesseract library, operating system Android


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