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An Automatic Bridge Detection Technique For Multispectral Images, D. Chaudhuri, Ashok Samal
An Automatic Bridge Detection Technique For Multispectral Images, D. Chaudhuri, Ashok Samal
CSE Conference and Workshop Papers
Extraction of features from images has been a goal of researchers since the early days of remote sensing. While significant progress has been made in several applications, much remains to be done in the area of accurate identification of high-level features such as buildings and roads. This paper presents an approach for detecting bridges over water bodies from multispectral imagery. The multispectral image is first classified into eight land-cover types using a majority-must-be-granted logic based on the multiseed supervised classification technique. The classified image is then categorized into a trilevel image: water, concrete, and background. Bridges are then recognized in …