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    • 1. 发明授权
    • Optical instrument and method for obtaining distance and image information
    • 用于获取距离和图像信息的光学仪器和方法
    • US08390794B2
    • 2013-03-05
    • US13301559
    • 2011-11-21
    • Torsten KludasMichael VogelChristian GrasserSet Svanholm
    • Torsten KludasMichael VogelChristian GrasserSet Svanholm
    • G01C3/08
    • G01C15/00G01C11/025
    • An optical instrument and a method for obtaining distance and image information of an object is disclosed to improve the speed and accuracy of data acquisition. The instrument comprises a camera, positioning unit, distance measuring unit, lens arrangement and control unit. The camera acquires images of an object and the control unit defines an area to be scanned and measurement pixels of an object in the image, wherein the measurement pixels are converted into an approximation of coordinates of positions to be measured assuming a default distance to the positions, and the optical axis of the lens arrangement is adjusted sequentially onto the positions to be measured. After measuring the distances to the positions, the coordinates are recalculated increasing the accuracy of the coordinates.
    • 公开了一种用于获得物体的距离和图像信息的光学仪器和方法,以提高数据采集的速度和精度。 仪器包括摄像机,定位单元,距离测量单元,镜头布置和控制单元。 相机获取对象的图像,并且控制单元定义要扫描的区域和图像中的对象的测量像素,其中测量像素被转换为假设与位置的默认距离的要测量的位置的坐标的近似 ,并将透镜装置的光轴顺序地调整到要测量的位置上。 在测量到位置的距离之后,重新计算坐标以增加坐标的精度。
    • 6. 发明授权
    • Optical instrument and method for obtaining distance and image information
    • 用于获取距离和图像信息的光学仪器和方法
    • US08085387B2
    • 2011-12-27
    • US12507755
    • 2009-07-22
    • Torsten KludasMichael VogelChristian GrasserSet Svanholm
    • Torsten KludasMichael VogelChristian GrasserSet Svanholm
    • G01C3/08
    • G01C15/00G01C11/025
    • An optical instrument and a method for obtaining distance and image information of an object is disclosed to improve the speed and accuracy of data acquisition. The instrument comprises a camera, positioning unit, distance measuring unit, lens arrangement and control unit. The camera acquires images of an object and the control unit defines an area to be scanned and measurement pixels of an object in the image, wherein the measurement pixels are converted into an approximation of coordinates of positions to be measured assuming a default distance to the positions, and the optical axis of the lens arrangement is adjusted sequentially onto the positions to be measured. After measuring the distances to the positions, the coordinates are recalculated increasing the accuracy of the coordinates.
    • 公开了一种用于获得物体的距离和图像信息的光学仪器和方法,以提高数据采集的速度和精度。 仪器包括摄像机,定位单元,距离测量单元,镜头布置和控制单元。 相机获取对象的图像,并且控制单元定义要扫描的区域和图像中的对象的测量像素,其中测量像素被转换为假设与位置的默认距离的要测量的位置的坐标的近似 ,并将透镜装置的光轴顺序地调整到要测量的位置上。 在测量到位置的距离之后,重新计算坐标以增加坐标的精度。
    • 7. 发明授权
    • Determining coordinates of a target in relation to a survey instrument having at least two cameras
    • 确定目标相对于具有至少两个相机的测量仪器的坐标
    • US09189858B2
    • 2015-11-17
    • US12735805
    • 2008-02-29
    • Set SvanholmMichael VogelChristian Grässer
    • Set SvanholmMichael VogelChristian Grässer
    • H04N7/18G06T7/00G01C1/04G01C11/06G01C15/00
    • G06T7/0065G01C1/04G01C11/06G01C15/002G06T7/55
    • A method is disclosed for determining coordinates of a target in relation to a surveying instrument wherein a first image is captured using a first camera in a first camera position and orientation, a target is selected by identifying at least one object point in the first image, and first image coordinates of the object point in the first image are measured. In at least one embodiment, a second image is captured using a second camera in a second camera position and orientation, the object point identified in the first image is identified in the second image, and second image coordinates of the object point in the second image are measured. Target coordinates of the target in relation to the rotation center of the surveying instrument are then determined based on the first camera position and orientation, the first image coordinates, the second camera position and orientation, the second image coordinates, and first and second camera calibration data. Furthermore, a surveying instrument for performing the method is disclosed.
    • 公开了一种用于确定目标相对于测量仪器的坐标的方法,其中使用第一相机位置和方位中的第一相机捕获第一图像,通过识别第一图像中的至少一个对象点来选择目标, 并且测量第一图像中的对象点的第一图像坐标。 在至少一个实施例中,使用第二照相机位置和方向上的第二照相机拍摄第二图像,在第二图像中识别在第一图像中识别的对象点,并且在第二图像中识别对象点的第二图像坐标 被测量。 然后基于第一摄像机位置和姿态,第一图像坐标,第二摄像机位置和方向,第二图像坐标以及第一和第二摄像机校准来确定目标相对于测量仪器的旋转中心的目标坐标 数据。 此外,公开了一种用于执行该方法的测量仪器。
    • 8. 发明授权
    • Aiming of a geodetic instrument
    • 瞄准大地测量仪器
    • US07930835B2
    • 2011-04-26
    • US12448547
    • 2007-01-25
    • Set SvanholmChristian GrässerMichael VogelNick Mein
    • Set SvanholmChristian GrässerMichael VogelNick Mein
    • G01C1/04G01C15/00
    • G01C15/002G01C1/04
    • A method for aiming a surveying instrument towards a selected target is disclosed. The method includes, in at least one embodiment, capturing an image using a camera in the surveying instrument; selecting a target by identifying an object point in the image captured by the surveying instrument; calculating first horizontal and vertical rotation angles based on the object point identified in the image; rotating the surveying instrument over the first horizontal and vertical rotation angles to an intermediate line of sight; measuring a distance to a point along the intermediate line of sight; and calculating second horizontal and vertical rotation angles based on the object point in the image and on the measured distance. In at least one embodiment, the method may be implemented using computer software, hardware, firmware or a combination thereof. There is also disclosed a surveying instrument in which at least one embodiment of the method is implemented.
    • 公开了一种将测量仪器瞄准所选目标的方法。 该方法在至少一个实施例中包括在测量仪器中使用照相机拍摄图像; 通过识别由测量仪器捕获的图像中的物体点来选择目标; 基于图像中识别的对象点计算第一水平和垂直旋转角度; 将测量仪器在第一水平和垂直旋转角度上旋转到中间视线; 测量到沿着中间视线的点的距离; 并且基于图像中的对象点和测量距离来计算第二水平和垂直旋转角度。 在至少一个实施例中,该方法可以使用计算机软件,硬件,固件或其组合来实现。 还公开了一种测量仪器,其中实现了该方法的至少一个实施例。
    • 9. 发明授权
    • Stereo photogrammetry from a single station using a surveying instrument with an eccentric camera
    • 使用带有偏心相机的测量仪器的单台立体声摄影测量
    • US08897482B2
    • 2014-11-25
    • US12363693
    • 2009-01-30
    • Nick MeinSet SvanholmChristian GraesserMichael Vogel
    • Nick MeinSet SvanholmChristian GraesserMichael Vogel
    • G06K9/00G06T7/00G01C1/04G01C15/00
    • G01C11/025G01C1/04G01C15/00G06T7/593G06T2207/10012G06T2207/30181
    • A method for determining, in relation to a surveying instrument, target coordinates of a point of interest, or target, identified in two images captured by a camera in the surveying instrument. The method comprises determining coordinates of the surveying instrument, capturing a first image using the camera in the first camera position; identifying, in the first image, an object point associated with the target; measuring first image coordinates of the object point in the first image; rotating the surveying instrument around the horizontal axis and the vertical axis in order to position the camera in a second camera position; capturing a second image using the camera in the second camera position; identifying, in the second image, the object point identified in the first image; measuring second image coordinates of the object point in the second image; and determining the coordinates of the target in relation to the surveying instrument.
    • 一种用于相对于测量仪器确定在测量仪器中由相机捕获的两个图像中识别的兴趣点或目标的目标坐标的方法。 该方法包括确定测量仪器的坐标,使用第一相机位置中的相机拍摄第一图像; 在所述第一图像中识别与所述目标相关联的对象点; 测量第一图像中的对象点的第一图像坐标; 围绕水平轴和垂直轴旋转测量仪器,以将相机定位在第二相机位置; 在第二相机位置使用相机拍摄第二图像; 在第二图像中识别在第一图像中识别的对象点; 测量所述第二图像中的对象点的第二图像坐标; 并确定目标相对于测量仪器的坐标。
    • 10. 发明申请
    • AIMING OF A GEODETIC INSTRUMENT
    • 地球仪器的瞄准
    • US20100088910A1
    • 2010-04-15
    • US12448547
    • 2007-01-25
    • Set SvanholmChristian GrässerMichael VogelNick Mein
    • Set SvanholmChristian GrässerMichael VogelNick Mein
    • G01C5/00
    • G01C15/002G01C1/04
    • A method for aiming a surveying instrument towards a selected target is disclosed. The method includes, in at least one embodiment, capturing an image using a camera in the surveying instrument; selecting a target by identifying an object point in the image captured by the surveying instrument; calculating first horizontal and vertical rotation angles based on the object point identified in the image; rotating the surveying instrument over the first horizontal and vertical rotation angles to an intermediate line of sight; measuring a distance to a point along the intermediate line of sight; and calculating second horizontal and vertical rotation angles based on the object point in the image and on the measured distance. In at least one embodiment, the method may be implemented using computer software, hardware, firmware or a combination thereof. There is also disclosed a surveying instrument in which at least one embodiment of the method is implemented.
    • 公开了一种将测量仪器瞄准所选目标的方法。 该方法在至少一个实施例中包括在测量仪器中使用照相机拍摄图像; 通过识别由测量仪器捕获的图像中的物体点来选择目标; 基于图像中识别的对象点计算第一水平和垂直旋转角度; 将测量仪器在第一水平和垂直旋转角度上旋转到中间视线; 测量到沿着中间视线的点的距离; 并且基于图像中的对象点和测量距离来计算第二水平和垂直旋转角度。 在至少一个实施例中,该方法可以使用计算机软件,硬件,固件或其组合来实现。 还公开了一种测量仪器,其中实现了该方法的至少一个实施例。