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公开(公告)号:US20160253822A1
公开(公告)日:2016-09-01
申请号:US14981947
申请日:2015-12-29
Applicant: NUCTECH COMPANY LIMITED
Inventor: Mingliang LI , Yuanjing LI , Jianmin Li , Ying LI , Zhiqiang CHEN , Kejun KANG
CPC classification number: H04N5/247 , G01B11/04 , G01C11/06 , G01P3/68 , G06T7/292 , G06T7/60 , G06T2207/10016 , G06T2207/30236 , G06T2207/30248
Abstract: The present invention relates to a photogrammetry system and method. The photogrammetry system comprises: photographing devices capable of photographing an object at a predetermined time interval; and, a data processing device capable of calculating an actual length of the object or a certain portion on the object according to a length of the object or a certain portion on the object in the images obtained by the photographing devices and a distance of the object in the two images, wherein the object moves at a speed V; the photographing devices photograph the object for two times at a time interval t; the distance of the object in the two images obtained by the two times of photographing is Dp; the length of the object or a certain portion on the object in the images is Lp; and, the actual length L of the object or a certain portion on the object may be obtained by the following formula: L = Lp × Vt Dp .
Abstract translation: 本发明涉及摄影测量系统和方法。 摄影测量系统包括:拍摄能够以预定时间间隔拍摄对象的装置; 以及数据处理装置,其能够根据由拍摄装置获得的图像中的物体或物体上的某一部分的长度和物体的距离来计算物体或物体上的某一部分的实际长度 在两个图像中,其中物体以速度V移动; 拍摄装置以时间间隔t拍摄对象两次; 通过两次拍摄获得的两张图像中的物体的距离为Dp; 图像中对象或对象上某一部分的长度为Lp; 并且物体的实际长度L或物体上的某个部分可以通过以下公式获得:L = Lp×Vt Dp。