公开(公告)号：US20150022800A1

公开(公告)日：2015-01-22

申请号：US14510949

申请日：2014-10-09

申请人： LEICA GEOSYSTEMS AG

发明人： Gregory C. Walsh ,  Alan Aindow

IPC分类号： G01C3/08

CPC分类号： G01S7/4865 ,  G01C3/08 ,  G01S7/4818 ,  G01S7/483 ,  G01S7/497 ,  G01S17/10 ,  G01S17/87 ,  G01S17/89

摘要： Methods and systems for using spectrally separated light pulses to collect more LIDAR information are presented. In one example, a laser pulse may be directed to a point on an object and a corresponding return light signal may be received. The return light signal may be wavelength separated into a plurality of spectral pulse components. Each of the spectral pulse components may be propagated down a separate fiber optic delay line each having a different length to provide a plurality of time-separated spectral pulse components. The time-separated spectral pulse components may be combined to provide a recombined spectral pulse signal. The recombined spectral pulse signal can be provided to an intensity-related measuring/detection circuitry to generate corresponding object location information and object spectral information regarding the point on the object.

摘要翻译： 提出了使用光谱分离的光脉冲收集更多激光雷达信息的方法和系统。 在一个示例中，激光脉冲可以被引导到物体上的点，并且可以接收相应的返回光信号。 返回光信号可以被波长地分离成多个光谱脉冲分量。 每个频谱脉冲分量可以沿着各自具有不同长度的单独光纤延迟线向下传播以提供多个时间分离的光谱脉冲分量。 时间分离的光谱脉冲分量可以被组合以提供重组的光谱脉冲信号。 可以将重组的光谱脉冲信号提供给强度相关的测量/检测电路，以产生关于物体上的点的对应物体位置信息和物体光谱信息。

公开(公告)号：US20140327902A1

公开(公告)日：2014-11-06

申请号：US14362098

申请日：2012-11-30

申请人： LEICA GEOSYSTEMS AG

发明人： Kurt Giger ,  Reto Metzler ,  Bernhard Fiegl

IPC分类号： G01C3/08

CPC分类号： G01C3/08 ,  G01S7/4814 ,  G01S17/08 ,  H01L2224/48227 ,  H01L2924/3011 ,  H01L2924/3025 ,  H01L2924/00

摘要： The invention relates to an optoelectronic distance measuring device, comprising a transmitting unit and comprising a receiving unit of an electronic evaluating unit. The transmitting unit has a circuit board, a semiconductor laser, and a laser diode driver for transmitting high-frequency intensity-modulated optical radiation. In order to receive a component of the optical radiation reflected by a target object by means of a photosensitive electrical component, the receiving unit is equipped with an electrical output signal as a received signal, a conditioning unit for conditioning the received signal, and an analog/digital converter for digitizing the conditioned received signal. The electronic evaluating unit determines a distance from the distance measuring device to the target object on the basis of a signal propagation time using the digitized received signal. The semiconductor laser is attached to the circuit board as a laser substrate that does not have a housing.

摘要翻译： 本发明涉及一种光电测距装置，包括发射单元，包括电子评估单元的接收单元。 发送单元具有用于发送高频强度调制光辐射的电路板，半导体激光器和激光二极管驱动器。 为了通过光敏电子部件接收由目标物体反射的光辐射的分量，接收单元配备有作为接收信号的电输出信号，用于调节接收信号的调节单元和模拟 /数字转换器，用于数字化经调节的接收信号。 电子评估单元基于使用数字化接收信号的信号传播时间来确定从距离测量装置到目标对象的距离。 半导体激光器作为不具有外壳的激光基板安装在电路基板上。

公开(公告)号：US20140283397A1

公开(公告)日：2014-09-25

申请号：US14218700

申请日：2014-03-18

申请人： LEICA GEOSYSTEMS AG

发明人： Thilo FESSLER ,  Bernd STÖCKEL

IPC分类号： G01B11/26 ,  G01C9/06 ,  G01B11/00

CPC分类号： G01B11/26 ,  G01B11/00 ,  G01C9/06 ,  G01C15/004 ,  G01C2009/066

摘要： A construction laser system includes a rotation laser and a laser receiver. To determine a direction in which the laser receiver lies in sight of the rotation laser, a digital code respectively assigned uniquely to the respective rotation angle ranges includes a state value sequence based on a defined sequence of states relating to the laser beam. In the respective rotation angle ranges, the corresponding sequence of states is respectively generated by successively occurring crossings of the respective rotation angle range. On the receiver side, an output signal is generated as a function of incidence of the laser beam. With the aid of an output signal sequence of successively generated output signals, which is acquired by the evaluation unit, the state value sequence corresponding to the acquired output signal sequence is identified, permitting final determination of the corresponding rotation angle range in which the laser receiver lies.

摘要翻译： 一种施工激光系统包括旋转激光器和激光接收器。 为了确定激光接收器位于旋转激光器的方向，分别独立地赋予各个旋转角度范围的数字代码包括基于与激光束相关的规定的状态序列的状态值序列。 在相应的旋转角度范围内，相应的状态序列分别通过相应的旋转角度范围的连续发生的交叉而产生。 在接收机侧，产生作为激光束的入射的函数的输出信号。 借助于由评估单元获取的连续产生的输出信号的输出信号序列，识别与获取的输出信号序列相对应的状态值序列，从而最终确定相应的旋转角度范围，其中激光接收器 谎言

公开(公告)号：US20140232859A1

公开(公告)日：2014-08-21

申请号：US14347562

申请日：2012-09-26

申请人： LEICA GEOSYSTEMS AG

发明人： Norbert Kotzur ,  Jürgen Mayer

IPC分类号： G01C1/04 ,  H04N7/18

CPC分类号： G01C1/04 ,  G01C15/002 ,  H04N7/183

摘要： A measuring system for marking a known target point in a coordinate system includes a mobile marking unit and a geodetic measuring device. The measuring device has a sighting unit, angle measurement functionality, and a camera for capturing a camera image. The measuring system has a database storing a target point position, an output unit that presents the camera image, and a control and processing unit. The measuring system has presentation functionality that presents a spatial deviation between the marking unit and target point positions on the output unit in first and second directions using, respectively, using first and second deviation displays. The first deviation display indicates a distance of the target point position from a plane defined by the measuring device and the marking unit. The second deviation display indicates a distance of the target point position from a normal to the plane defined by the marking unit position.

摘要翻译： 用于在坐标系中标记已知目标点的测量系统包括移动标记单元和大地测量装置。 测量装置具有瞄准单元，角度测量功能以及用于捕捉相机图像的相机。 测量系统具有存储目标点位置的数据库，呈现相机图像的输出单元以及控制和处理单元。 测量系统具有呈现功能，其使用第一和第二偏差显示器分别在第一和第二方向上呈现输出单元上的标记单元和目标点位置之间的空间偏差。 第一偏差显示表示目标点位置与由测量装置和标记单元限定的平面的距离。 第二偏差显示表示目标点位置与法线到由标记单元位置定义的平面的距离。

公开(公告)号：US20140081611A1

公开(公告)日：2014-03-20

申请号：US14001459

申请日：2012-02-22

申请人： LEICA GEOSYSTEMS AG

发明人： Craig Anthony Robertson

IPC分类号： G06F17/50

CPC分类号： G06F17/5009 ,  G06T17/05 ,  G06T2210/32

摘要： An integrated terrain modeling system is disclosed. The integrated terrain modeling system has a site module. The site module includes a database having a terrain model of a site. The integrated terrain modeling system has a first field unit which includes a sensor operable to generate geodetic data of the site formatted in a first format. The system also has a further field unit which includes a sensor operable to generate geodetic data of the site formatted in a further format. The integrated terrain modelling system has an integration system operable to manipulate the geodetic data generated by the first filed unit and the further filed unit to be in a common format, thereby to provide seamless integration of the geodetic data at the site module to update the terrain model.

摘要翻译： 公开了一种综合地形建模系统。 综合地形建模系统有一个站点模块。 站点模块包括具有站点的地形模型的数据库。 综合地形建模系统具有第一场单元，其包括可用于产生以第一格式格式化的站点的大地测量数据的传感器。 该系统还具有另外的现场单元，其包括可用于生成以另一格式格式化的站点的大地测量数据的传感器。 综合地形建模系统具有可操作的第一场地单元和另外的场地单元生成的大地测量数据为一般格式的集成系统，从而提供场址模块上的大地测量数据的无缝集成，以更新地形 模型。

公开(公告)号：US20020144416A1

公开(公告)日：2002-10-10

申请号：US10103131

申请日：2002-03-22

申请人： Leica Geosystems AG

发明人： Helmut Ghesla

IPC分类号： G01C015/02

CPC分类号： G02B5/122 ,  G01C15/06

摘要： In a target object (100) according to the invention, eight triple prisms (1, 2, 5, 6) are arranged in the form of two pyramids which are oriented with their base surfaces to one another. The triple prisms (1, 2, 5, 6) are aligned in such a way that, in the position of use, on the one hand optical beams from a predetermined range of vertical directions (v) above or below a horizontal plane (h), in any desired azimuthal alignment (a) of the target object (100) are continuously triple-reflected with high intensity and, on the other hand, abrupt, interfering reflections are as far as possible avoided. This is effected by alignment, according to the invention, of the reflective surfaces of the eight triple prisms (1, 2, 5, 6) of the target object parallel or perpendiucular to the horizontal plane (h). Consequently, the interfering reflections can be minimized in the relevant directional operating range of the target objects.

摘要翻译： 在根据本发明的目标物体（100）中，八个三棱镜（1,2,5,6）以两个棱锥的形式布置，两个棱锥体的基底表面彼此定向。 三棱镜（1,2,5,6）以这样的方式排列，使得在使用位置上，一方面来自在水平面上方或下方的垂直方向（v）的预定范围的光束（h ）在目标物体（100）的任何所需的方位对准（a）中以高强度连续三次反射，另一方面，尽可能避免突然的干涉反射。 根据本发明，通过对准与水平面（h）平行或垂直的目标物体的八个三棱镜（1,2,5,6）的反射表面来实现。 因此，可以在目标对象的相关方向操作范围内最小化干扰反射。

公开(公告)号：US11619712B2

公开(公告)日：2023-04-04

申请号：US16138661

申请日：2018-09-21

申请人： LEICA GEOSYSTEMS AG

发明人： Patrick Steinmann ,  Werner Kirchhofer

IPC分类号： G01S7/481 ,  G01S17/89 ,  G01S17/42 ,  G01C11/02 ,  G01S17/86 ,  B64D47/08 ,  G01C15/00 ,  G01S7/48 ,  G01S7/4863 ,  G06V20/10

摘要： A hybrid LiDAR-imaging device is configured for aerial surveying and comprises a camera arrangement adapted for generating orthophoto data and a LiDAR device, in which an overall exposure area is provided by the camera arrangement, which has a transverse extension of at least 60 mm and the LiDAR device has a longitudinal extension axially along a ground viewing nominal LiDAR axis and a lateral extension substantially orthogonal to the nominal LiDAR axis, in which the longitudinal extension is larger than the lateral extension.

公开(公告)号：US11568520B2

公开(公告)日：2023-01-31

申请号：US15879303

申请日：2018-01-24

申请人： LEICA GEOSYSTEMS AG

发明人： Daniel Blaser ,  Richard Fetzel ,  Bianca Gordon ,  Marco Schröder ,  Bernd Walser

IPC分类号： G06T5/00 ,  G06T7/30 ,  G01S17/42 ,  G01C15/00 ,  G01C1/04

摘要： A method for colourising a three-dimensional point cloud including surveying a point cloud with a surveying instrument. Each point of the point cloud may be characterised by coordinates within an instrument coordinate system having an instrument center. The method may include capturing a first image of the setting with a first camera. Each pixel value of the first image is assigned coordinates within a first camera coordinate system having a first projection center as origin and a first parallax shift relative to the instrument center. The method may include transforming the point cloud from the instrument coordinate system into the first camera coordinate system, resulting in a first transformed point cloud, detecting one or more uncovered points within the first transformed point cloud which are openly visible from the first projection center, and for each uncovered point, assigning a pixel value having corresponding coordinates in the first camera coordinate system.

公开(公告)号：US11566896B2

公开(公告)日：2023-01-31

申请号：US16548688

申请日：2019-08-22

申请人： LEICA GEOSYSTEMS AG

发明人： Bernhard Richter ,  Zoltán Török ,  Elmar Vincent Van Der Zwan ,  Bernhard Metzler

IPC分类号： G01C15/00 ,  G01C11/04 ,  G01C1/04 ,  G01C11/02 ,  G01S19/13

摘要： A method for image-based point measurement includes moving a surveying system along a path through a surrounding and capturing a series of images of the surrounding. A subset of images are defined as frames and a subset of frames are defined as key-frames. Textures are identified in first and second frames and are tracked in successive frames to generate first and second frame feature lists. A structure from motion algorithm is used to calculate camera poses for the images based on the first and second frame feature lists. Corresponding image points in images of the series of images are identified using feature recognition in at least a plurality of images. Three-dimensional coordinates of the selected image point are determined using forward intersection with the poses of the subset of images in which corresponding image points are identified. The three-dimensional coordinates of the selected image point are presented to the user.

公开(公告)号：US11513197B2

公开(公告)日：2022-11-29

申请号：US16160885

申请日：2018-10-15

申请人： LEICA GEOSYSTEMS AG

发明人： Quan Yang ,  Zhigang Pan ,  James Chester Sanders, III

IPC分类号： G01S7/4861 ,  G01C15/00 ,  G01S7/48 ,  G01S17/89

摘要： A multiple-pulses-in-air (MPiA) laser scanning system, wherein the MPiA problem is addressed in that an MPiA assignment of return pulses to send pulses of a laser scanner is based on range tracking and range probing at intermittent points in time. Each range probing comprises a time-of-flight arrangement which is constructed to be free of the MPiA problem. The invention further relates to an MPiA laser scanning system, wherein an MPiA ambiguity within a time series of return pulses, is converted into 3D point cloud space, which provides additional information from the spatial neighborhood of the points in question to enable MPiA disambiguation.