Abstract: The invention relates to an observation device having a location determination functionality for the high-accuracy determination of the spatial location and thus the position and orientation (for example, Euler angles: azimuth, elevation angle, and roll angle) of the observation device by analysis of a recorded camera image of the terrain surrounding the camera by means of the three-dimensional map information of a digital terrain model (DTM). For this purpose, the observation device comprises a camera having an objective lens and a camera sensor, a data memory, a sensor system, an analysis unit, and a display screen.

Abstract: The invention relates to an observation device having a location determination functionality for the high-accuracy determination of the spatial location and thus the position and orientation (for example, Euler angles: azimuth, elevation angle, and roll angle) of the observation device by analysis of a recorded camera image of the terrain surrounding the camera by means of the three-dimensional map information of a digital terrain model (DTM). For this purpose, the observation device comprises a camera having an objective lens and a camera sensor, a data memory, a sensor system, an analysis unit, and a display screen.

Abstract: The invention relates to a handheld observation device including a digital magnetic compass for measuring a magnetic field direction of a magnetic field present, a gravitation sensor for measuring a gravitational field direction of a gravitational field present, and a control and evaluation unit configured for determining an externally referenced orientation of the observation device depending on a measured magnetic field direction and a measured gravitational field direction and with application of an algorithmic disturbance suppression, for which compensation parameters are stored. The observation device can also include a video tracking system (4) for recording an image sequence and for deriving orientation changes of the observation device.

Abstract: The invention relates to a handheld observation device including a digital magnetic compass for measuring a magnetic field direction of a magnetic field present, a gravitation sensor for measuring a gravitational field direction of a gravitational field present, and a control and evaluation unit configured for determining an externally referenced orientation of the observation device depending on a measured magnetic field direction and a measured gravitational field direction and with application of an algorithmic disturbance suppression, for which compensation parameters are stored. The observation device can also include a video tracking system (4) for recording an image sequence and for deriving orientation changes of the observation device.

Abstract: An image depicting an object is recorded for the purpose of measuring the direction to said object, after which the object is to be surveyed. In order to achieve an optimum stability for rapid changes to the object's position, image sensors are used to analyze or download only a part of the available pixels. A selection of the analyzed image information, as above, uses information about the required measurement accuracy and the time performance of the image sensor. According to the invention, the limitation of the downloaded information can be achieved by the selection of a partial region of the image using the combination of a sub-sampling with a sub-windowing. A selection of image points for downloading within the partial region of the image can thus be achieved by the use of the determined omitted image information.

Abstract: A method for suppressing electromagnetic background radiation in the image according to a precharacterization, a device for carrying out the method according to a precharacterization, a measuring instrument, and a use of the device for identifying a laser signal as a mark for subsequent measuring processes as well as for identifying a source of a laser signal.

Abstract: A separation from at least one and an image of at least three reflective regions on the orientation indicator are recorded by a separation measurement sensor and an image sensor in a measuring device, for the purpose of determining the orientation of an orientation indicator. The separation measurement and image recording are achieved by means of a directed emission of a collimated first beam and a divergent second beam with differing wavelengths and/or polarization in the direction of the orientation indicator and a simultaneous recording of the reflected and/or scattered first and second beams. The reflective regions on the orientation indicator are embodied and arranged such as to be positioned at a target point with a detectable geometric relationship to each other and to be simultaneously resolved by the image recorder. By means of the orientation determination, amongst other things, separations from target points, even not directly visible, can be precisely determined.

Abstract: According to the invention, a separation from at least one and an image of at least three reflective regions on the orientation indicator are recorded by a separation measurement sensor and an image sensor in a measuring device (1), for the purpose of determining the orientation of an orientation indicator. The separation measurement and image recording are achieved by means of a directed emission of a collimated first beam (2) and a divergent second beam (3) with differing wavelengths and/or polarisation in the direction of the orientation indicator and a simultaneous recording of the reflected and/or scattered first and second beams (2?,3?). The reflective regions on the orientation indicator are embodied and arranged such as to be positioned at a target point with a detectable geometric relationship to each other and to be simultaneously resolved by the image recorder.

Abstract: According to the invention, an image (4) with a form (6) of the object is recorded, for the purpose of measuring the direction to said object, the further surveying of which will follow. In order to achieve an optimum stability for the above for rapid changes to the object position, the capabilities of modern image sensors are used to analyse or download only a part of the available pixels. A selection of analysed image information, as above, uses information about the required measurement accuracy and the time performance of the image sensor. According to the invention, such a limitation to the downloaded information can be achieved by the selection of a partial region (7b) of the image (4) by the combination of a sub-sampling with a sub-windowing. A selection of image points for downloading within the partial region (7a) of the image (4) can thus be achieved by means of targeted omission.

Abstract: The invention relates to a method and a corresponding device with which images (A, B) for the same sensing range, however in different wavelength ranges (P, N1, N2), are recorded at the same time or about the same time, and with which a signal to be detected is recorded for an image (A) serving as a P-image, and the wavelength of the signal is suppressed for an image (B) serving as an N-image. The intensity of the background in the P-image (A) is deduced from the N-image (B) while using a model for the interfering radiation or background radiation (2). The position of the signal to be detected is determined by comparing the image contents of the P-image (A) and the background image (C) derived from the N-image (B).