Abstract: One or more example embodiments of the present invention relates in one aspect to a computer-implemented method for providing a configuration information for a laser guidance system for a medical intervention, comprising receiving laser projection data regarding a laser projection geometry of the laser guidance system; receiving 3D model data regarding a surface, the surface being located within an effective range of the laser guidance system; calculating shadowing data regarding a shadowing effect of the surface on the laser projection geometry based on the laser projection data and the 3D model data; selecting the configuration information based on the shadowing data, the configuration information being indicative of a configuration of the laser guidance system for visualizing a planned path of an instrument for the medical intervention; and providing the configuration information.

Abstract: A method is used to calibrate a light unit, including at least one light source, the light unit being part of a medical imaging apparatus. In an embodiment, the method includes positioning a calibration phantom at a calibration position, in particular a first calibration position; arranging the light source so that its beam illuminates the photodetector at least partially; starting or continuing the recording of light intensities using the photodetector; modulating the signal of the light source at least once; rotating the light beam around a given rotation axis while recording the rotational position; synchronizing the time values of the rotational position of the light beam and the acquired signal intensities using the modulation of the light signal; and mapping the rotational position, in particular the rotation angle, of the light beam to a spatial position using the light intensities recorded by the photodetector.

Abstract: A method is used to calibrate a light unit, including at least one light source, the light unit being part of a medical imaging apparatus. In an embodiment, the method includes positioning a calibration phantom at a calibration position, in particular a first calibration position; arranging the light source so that its beam illuminates the photodetector at least partially; starting or continuing the recording of light intensities using the photodetector; modulating the signal of the light source at least once; rotating the light beam around a given rotation axis while recording the rotational position; synchronizing the time values of the rotational position of the light beam and the acquired signal intensities using the modulation of the light signal; and mapping the rotational position, in particular the rotation angle, of the light beam to a spatial position using the light intensities recorded by the photodetector.

Abstract: A method and a device are disclosed for the perspective representation, via an output image, of at least one virtual scene component arranged within a real scene. In the method, depth image data of the real scene is captured from a first perspective via a depth image sensor, and 2D image data of the real scene is captured from a second perspective via a 2D camera. Further, a virtual three-dimensional scene model of the real scene is created with reference to depth information from the depth image data, and at least one virtual scene component is inserted into the three-dimensional virtual model. Finally, an output image is generated by way of perspective projection of the 2D image data corresponding to the second perspective onto the virtual three-dimensional scene model comprising the virtual scene component.

Abstract: A method and a device are disclosed for the perspective representation, via an output image, of at least one virtual scene component arranged within a real scene. In the method, depth image data of the real scene is captured from a first perspective via a depth image sensor, and 2D image data of the real scene is captured from a second perspective via a 2D camera. Further, a virtual three-dimensional scene model of the real scene is created with reference to depth information from the depth image data, and at least one virtual scene component is inserted into the three-dimensional virtual model. Finally, an output image is generated by way of perspective projection of the 2D image data corresponding to the second perspective onto the virtual three-dimensional scene model comprising the virtual scene component.