期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2007
卷号：XXXVI-5/C55
出版社：Copernicus Publications
摘要：The present paper is an extension of a previous work presented in (Soheilian et al., 2006a) in which an automatic algorithm of zebra- crossing reconstruction from stereo-pairs of a mobile mapping system was proposed. The method has been adapted to reconstruct different types of rectangular roadmarks. The algorithm can be summarized in three main points. First of all a 3D edge point recon- struction is performed by a dynamic programming optimization matching conjugate epipolar lines. Then during a detection step, a dashed-line signature is recognized and sets of candidate line-segments are provided. A final modelling step rebuilds optimally each strip of the detected dashed-line. The method is evaluated on a set of 150 stereo-pairs. It provides promising results with a detection rate which is higher than 86%. Geometric accuracy of the method is about 2 cm for all of the reconstructed zebra-crossing and dashed-lines strips
关键词：close range photogrammetry; computer vision; mobile mapping system; stereo-matching; 3D object reconstruction; ; 3D perceptual grouping; roadmark; zebra-crossing; dashed-line
