| 摘要 |
Some embodiment include a handheld distance measuring device having a laser distance meter for measuring distances to target points in an environment and an image acquisition unit for acquiring images of the environment, characterized by a control unit having program code for controlling a spatial modeling functionality having a measurement sequence, in the scope of which images of a region of the environment are acquired from different positions of the distance measuring device, these images having a shared image region, wherein the image acquisition unit assumes different, which represent the respective position and alignment of the distance measuring device, during the acquisition of the first image and the second image. |
| 主权项 |
1. A handheld distance measuring device comprising:
a laser distance meter for measuring distances to target points in an environment; an analysis component for deriving and providing the measured distances; and an image acquisition unit having at least one camera for acquiring images of the environment; wherein a control unit having program code for controlling a spatial modeling functionality of the distance measuring device, which is implemented for use with a measurement sequence, in the scope of which a first image and a second image of a region of the environment are acquired from different positions of the distance measuring device, these images having a shared image region, wherein the image acquisition unit assumes different poses, which represent a respective position and alignment of the distance measuring device, during the acquisition of the first image and the second image, wherein in the scope of the spatial modeling functionality and in reaction to a first user command, from a first position of the distance measuring device the first image of a first region of the environment is acquired by the image acquisition unit and a first distance to a first target point in the first region is measured by the laser distance meter in chronological correlation and simultaneously, with the acquisition of the first image, wherein in reaction to a second user command, from a second position of the distance measuring device the second image of the first region of the environment is acquired by the image acquisition unit and a second distance to the first target point or to a second target point in the immediate environment of the first target point is measured by the laser distance meter in chronological correlation and simultaneously, with the acquisition of the second image, wherein the control unit is embodied for the purpose, in the scope of the spatial modeling functionality, of identifying features of the environment in the images, which are imaged in the shared image region, based on the identified features, the first distance, and the second distance, ascertaining a spatial relationship between the poses, and based on the first image, the second image and the spatial relationship, preparing a spatial model of the environment using stereo photogrammetry, wherein distances between spatial points in the environment can be ascertained on the basis of the spatial model, wherein, in the scope of the spatial modeling functionality, the control unit is embodied for the purpose of joining together a first partial spatial model and a second partial spatial model, which have a shared overlap, to form an overall spatial model, wherein distances between spatial points of both regions of the environment can be ascertained on the basis of the spatial model. |
