%0 Journal Article %T Calibration of Dual-PTZ-camera System
双PTZ摄像机系统的标定 %A WAN Ding-rui %A ZHOU Jie %A
万定锐 %A 周杰 %J 中国图象图形学报 %D 2008 %I %X PTZ (Pan/Tilt/Zoom)cameras have been widely used in visual surveillance domain because of its capability of changing both view-angle and image resolution.Dual-PTZ-camera system is one of the simplest systems that multi-resolution information and stereo information can be obtained synchronously.Although there are few related researches about dual-PTZ-camera system in the state of the art,we believe it has wide aspplication prospects.Building the common coordinate system is an important problem in dual-PTZ-camera calibration,which can be used for image alignment and stereo matching.From this point,we adopt the longitude-latitude coordinate system and use a multi-fundamental matrix approach to deal with the calibration problem.Traditional multi-camera calibration approaches mainly deal with the static cameras,and which always take advantage of the known camera locations or use calibration tools.The proposed calibration is independent to specific PTZ parameters,which is very convenient in application.The experimental results show the practicality of our approach. %K PTZ camera %K calibration %K epipolar geometry %K fundamental matrix %K stereo rectification
PTZ摄像机 %K 标定 %K 极线几何 %K 基础矩阵 %K 立体校正 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=D06194629680C940ACE75262F54B9D85&aid=2707A3C55FC29A1D7AD24B3151896C61&yid=67289AFF6305E306&vid=FC0714F8D2EB605D&iid=E158A972A605785F&sid=CFBDB06850C21CC6&eid=8225A9F184D4F1CA&journal_id=1006-8961&journal_name=中国图象图形学报&referenced_num=0&reference_num=11