Abstract: Some embodiments of the invention relate to a method for capturing a relative position of at least one first spatial point by means of a portable distance measuring device, the method comprising positioning a known reference object, which has known features which may be captured by optical means, said features being arranged in a pattern designed for a resection, at least one first measuring process, comprising measuring a first distance to the first spatial point, and recording a first reference image linked in time with measuring the first distance, the reference object being imaged in the first reference image, and ascertaining the position and orientation of the distance measuring device relative to the reference object comprising identifying the reference object, recalling stored information about the known features of the identified reference object and identifying positions of known features of the reference object in the first reference image.

Abstract: An Augmented Reality (AR)-device, including a visual sensor configured for capturing an environment of the AR device, a display configured for providing a real view of the environment, and overlays onto the real view according to AR-data, wherein the AR data are spatially linked to a reference system and comprise designed data, measured data, and remeasurement indications, a computer configured for reading and controlling the visual sensor, determining a pose of the AR-device relative to the reference system, at least one of receiving, generating and storing the AR-data, and generating the overlays. The remeasurement indications are based on an evaluation of the measured data, and spatially linked to the reference system at corresponding locations of the environment where the measured data lack a target quality.

Abstract: An Augmented Reality (AR)-device, including a visual sensor for capturing an environment of the AR-device, a display providing a real view of the environment, and overlays onto the real view according to AR-data including at least one of design data and measured data, a computer for reading and controlling the visual sensor, at least one of receiving, generating and storing the AR-data, and identification features which are assigned to each of a plurality of reference systems, generating the overlays, establishing a referenced status of the AR-device relative to each of the reference systems by identifying a reference system based on at least one identification feature captured by the visual sensor, determining a pose of the AR-device relative to the identified reference system, and maintaining the referenced status in case of loss of visual contact between the visual sensor and the identification feature, based on a Visual Localisation and Mapping (VSLAM)-process.

Abstract: Method for creating a spatial model of a target object with a hand-held distance measuring device, the device comprising a laser distance meter, a camera, a computing unit and a data storage device, the method comprising measuring with the laser distance meter one or more distances to the target object from different positions, storing the measured distances in the data storage device, capturing with the camera a plurality of images of the target object, wherein each of the measured distances is associated with one of the captured images, determining with the computing unit relative camera poses for the plurality of images, and calculating with the computing unit based on the plurality of images and on the determined relative camera poses a three-dimensional geometry of the target object.

Abstract: Some embodiments relate to a geodetic surveying device having a beam source for generating measurement radiation, a base defining a vertical axis, a support carrying a targeting unit and defining a tilt axis, the support being arranged on the base and rotatable relative to the base about the vertical axis, and the targeting unit being arranged rotatable relative to the support about the tilt axis, and an angle- and distance-measuring functionality. Moreover, the geodetic surveying device has an image acquisition unit for acquiring images of an object in a field of view defined by the image acquisition unit, and a control and processing unit. The image acquisition unit has at least an image sensor and a microlens array with a multiplicity of diffractive and/or refractive optical elements arranged in a defined two-dimensional manner.

Abstract: An Augmented Reality (AR)-system comprising a permanent marker having a defined pose relative to a coordinate system, an AR-device having a camera and a processing unit, wherein the AR-device is configured to visually detect and identify the permanent marker, determine a relative pose between the AR-device and the permanent marker, a temporary marker having a coded design and an undefined pose relative to the coordinate system and the permanent marker, wherein the AR-device is configured to visually detect and identify the temporary marker by the coded design, determine a relative pose between the permanent marker and the temporary marker, based on the determined relative pose between the permanent marker and the temporary marker, defining a pose of the temporary marker relative to the coordinate system, determine a relative pose between the AR-device and the temporary marker.

Abstract: Method for precisely determining the position offset and orientation offset of a second deployment relative to a first deployment in the same measurement environment of a geodetic surveying device, in particular a total station or a theodolite, on the basis of directions, determined on the basis of the image, and at least one distance, measured by laser-optical means, to measurement environment points, which are imaged both in a second and in a first environment image.

Abstract: Some embodiments of the invention include a method for providing a 3D-point cloud using a geodetic surveying instrument. Some embodiments also include an image capturing unit. A method, according to some embodiments may include scanning a surrounding with the surveying instrument according to a defined scanning region with at least partly covering the object and generating a scanning point cloud corresponding to the scanning region with reference to a surveying coordinate system which is defined by the surveying instrument and generating a first image on side of the surveying instrument covering a region basically corresponding to the scanning region, the first image representing a reference image the pose of which is known with reference to the surveying coordinate system due to the position and orientation of the surveying instrument for acquiring data the first image is base on.

Abstract: A method and system for surveying and/or metrology for assigning particular classes of interest within measurement data, wherein an assignment of at least one measurement object to a first class of interest within the measurement data based on a classification model, is processed by a feedback procedure providing feedback data for a training procedure which provides update information for the classification model, wherein the training procedure is based on a machine learning algorithm, e.g. relying on deep learning for supervised learning and/or unsupervised learning.

Abstract: A method for registering two or more three-dimensional (3D) point clouds. The method includes, with a surveying instrument, obtaining a first 3D point cloud of a first setting at a first position, initiating a first Simultaneous Localisation and Mapping (SLAM) process by capturing first initial image data at the first position with a camera unit comprised by the surveying instrument, wherein the first initial image data and the first 3D point cloud share a first overlap, finalising the first SLAM process at the second position by capturing first final image data with the camera unit, wherein the first final image data are comprised by the first image data, with the surveying instrument, obtaining a second 3D point cloud of a second setting at the second position, and based on the first SLAM process, registering the first 3D point cloud and the second 3D point cloud relative to each other.

Abstract: A method may include identifying features in images of a setting captured by cameras associated with a laser scanner at a first location. The features may correspond to elements in the setting. The method may include correlating the features with scan point data associated with the elements. The scan point data may be derived from a scan of the setting by a laser of the laser scanner at the first location. The method may include tracking the features within images captured by the cameras. The images may be captured during movement of the laser scanner away from the first location. The method may include estimating a position and/or an orientation of the laser scanner at a second location based on the tracking of the features and based on the correlating of the features with the scan point data.

Abstract: Some embodiments of the invention relate to a method for determining the position data of a geodesic surveying instrument by comparing of a reference data set extracted from data of an image of the surroundings of the surveying instrument position with position-referenced data sets which consists of data of a corresponding type, and determining the position data using the position reference of the selected position-referenced data set that has a comparatively important level of match with the reference data set.

Abstract: A device may include a laser configured to rotate about an azimuth axis of the device and an elevation axis of the device. The device may also include a plurality of cameras configured to rotate about the azimuth axis and fixed with respect to the elevation axis. The cameras may be configured to have a collective field-of-view that includes a collective elevation field-of-view and a collective azimuth field-of-view. The device may also include a control system configured to direct the laser to rotate about the azimuth axis and the elevation axis such that the laser is configured to scan a setting. The control system may also be configured to direct the cameras to each begin capturing an image of the setting at substantially the same time.

Abstract: A Method for providing information about an object using an unmanned aerial vehicle with a data acquisition unit is disclosed according to some embodiments of the invention. The method may include determining positional data with reference to the object, the positional data being referenced to a measuring coordinate system, providing a digital template regarding the object, the template at least partly representing the object in coarse manner, and referencing the template with the positional data so that the template corresponds as to its spatial parameters to the object in the measuring coordinate system.

Abstract: A measurement system includes a measuring device and a scanning module having fastening means for fastening the scanning module onto a holder and a beam deflection element that is rotatable by a motor about an axis of rotation to deflect a scanning laser beam. The axis of rotation is arranged at a defined angle relative to the pivoting axis. A second angle measurement functionality determines an angle of rotation from an angle position of the beam deflection element. The measuring device also has a holder designed such that the scanning module can be fastened by means of the fastening means in a module-like manner in a defined position on the measuring device.

Abstract: A system is disclosed that comprises a camera module and a control and evaluation unit. The camera module is designed to be attached to the surveying pole and comprises at least one camera for capturing images. The control and evaluation unit has stored a program with program code so as to control and execute a functionality in which a series of images of the surrounding is captured with the at least one camera; a SLAM-evaluation with a defined algorithm using the series of images is performed, wherein a reference point field is built up and poses for the captured images are determined; and, based on the determined poses, a point cloud comprising 3D-positions of points of the surrounding can be computed by forward intersection using the series of images, particularly by using dense matching algorithm.

Abstract: A geodatic surveying device which is equipped with an automatic target point sighting functionality for determining the position of a target point. A reticle pattern that corresponds to the outer shape of the known reticle is stored, wherein a main point of the reticle pattern is predefined as indicating the target point. In order to carry out an automatic target point sighting functionality, the evaluation means are designed such that, after the function start, a camera image of the reticle is automatically recorded, the reticle pattern is aligned with the reticle in the camera image by means of image processing and, depending on a position of the main point in the camera image in the matched state of the reticle pattern, the orientation of the sighting apparatus is changed in a motorized manner such that the optical target axis OA is oriented with high precision at the target point.

Abstract: The invention relates to a method and a system for interrelating a displaying device relative to a surveying instrument, said displaying device and surveying instrument being spatially separated from each other and comprising communication means to communicate with each other, wherein the method comprises providing a first image from the surveying instrument and providing a second image from the displaying device, wherein the first image and the second image at least in part cover the same scenery, detecting a plurality of corresponding features in the first image and in the second image with a processing unit, deriving a set of transition parameters based at least in part on the corresponding features with said processing unit, referencing the displaying device relative to the surveying instrument regarding position and orientation based at least in part on the set of parameters with said processing unit.

Abstract: A geodetic measuring system having at least one reference component which defines a reference point, wherein an absolute position of the reference point is known, and at least one new-point determination component which derives a relative new-point position. It is also possible to derive mutual relative reference information between the reference component and the new-point determination component, in particular for the purpose of referencing with respect to the reference-point position. The measuring system also has an automotive, unmanned, controllable air vehicle, wherein the air vehicle has the reference component which provides the at least one reference point as a mobile reference point. The air vehicle is also designed in such a manner that the reference component can be spatially freely displaced by the air vehicle, in particular can be positioned in a substantially fixed position.

Abstract: A geodetic measuring system having a geodetic measuring unit having a beam source for emitting a substantially collimated optical beam. The measuring system also has an automotive, unmanned, controllable air vehicle having an optical module. An evaluation unit is also provided, wherein the evaluation unit is configured in such a manner that an actual state of the air vehicle, as determined by a position, an orientation and/or a change in position, can be determined in a coordinate system from interaction between the optical beam and the optical module. The measuring system has a control unit for controlling the air vehicle, wherein the control unit is configured in such a manner that control data can be produced using an algorithm on the basis of the actual state, which can be continuously determined in particular, and a defined desired state, and the air vehicle can be automatically changed to the desired state.