Road junction extraction from high resolution aerial images assisted by topographic database information [Elektronische Ressource] / von Mehdi Ravanbakhsh

[TITLE OF THE THESIS/DISSERTATION] Road Junction Extraction from High by Resolution Aerial Images Assisted by Topographic [Author’s full name] [undergraduDatabase Information ate degree, institution, year] [Master degree, if applicable, institution, year] Von der Fakultät für Bauingenieurwesen und Geodäsie der Gottfried Wilhelm Leibniz Univ ersität Hannover zur Erlangung des Grades Submitted to the Graduate Faculty of [name of school] in partial fulfillment DOKTOR – INGENIEUR of the requirements for the degree of [e.g. Master of Arts / Doctor of Philosophy] genehmigte Dissertation von M.Sc. Mehdi Ravanbakhsh University of Pittsburgh [year] HANNOVER 2008 Vorsitzender der Prüfungskommission : Univ.-Prof. Dr.-Ing. Steffen Schön Referent: Univ.-Prof. Dr.-Ing. habil. Christian Heipke Korreferenten: Univ.-Prof. Dr.-Ing. habil. Monika Sester Univ.-Prof. Dr.-Ing. habil. Helmut Mayer Tage der mündlichen Prüfung: 09 Juni 2008 ii Summary In this thesis a new approach for the automatic extraction of road junctions from high resolution aerial images by using an existing topographic database is presented. Road junctions are important components of a road network.