Abstract: A method is provided for visualizing a lag time in an image. The method includes: specifying a first marker by the transmit facility that is dependent on the first processing instant; processing original image data of the image by the transmit facility, wherein a part of the original image data that describes a specified image segment is modified by the first marker to provide modified image data of the image; transferring the modified image data from the transmit facility to the receive facility; specifying a second marker by the receive facility that is dependent on the second processing instant; processing the modified image data by the receive facility, wherein at least part of the modified image data is modified by an overlay of the second marker with the modified image data in the image segment to provide final image data of the image; and outputting the final image data.

Abstract: A method is provided for running a collision protection system for a medical operating device, which has a patient bed for a patient to be operated on, an image recording device having at least one movable image recording component for recording image data of the patient during the operation, and an assistance robot having a movable assistance component which during the operation is situated at least temporarily inside the patient and/or is coupled in terms of movement to an instrument situated inside the patient. In the method, an item of criticality information is determined which describes the criticality of possible collisions of components of the operating device and/or movements of the patient with regard to the interaction of the assistance robot with the patient. Depending upon the criticality information, when a criticality criterion indicating a raised criticality, (e.g.

Abstract: A method is provided for running a collision protection system for a medical operating device, which has a patient bed for a patient to be operated on, an image recording device having at least one movable image recording component for recording image data of the patient during the operation, and an assistance robot having a movable assistance component which during the operation is situated at least temporarily inside the patient and/or is coupled in terms of movement to an instrument situated inside the patient. In the method, an item of criticality information is determined which describes the criticality of possible collisions of components of the operating device and/or movements of the patient with regard to the interaction of the assistance robot with the patient. Depending upon the criticality information, when a criticality criterion indicating a raised criticality, (e.g.

Abstract: The embodiments relate to a method for adapting at least one radiation parameter of a beam source in an x-ray device, wherein the beam source is activated according to the radiation parameter for providing x-radiation, wherein, as long as the filter element is not being moved, the radiation parameter is specified based on image data acquired in a transillumination region by the beam detector, wherein at least one interim image is recorded at least partially within a movement interval during which the filter element is moved, after which the radiation parameter is specified independently of the image data of the interim image or after which exclusively image data of the interim image that are acquired in an overlapping region of the beam detector that lies within the transillumination region during the entire recording interval are taken into account in the determination of the radiation parameter.

Abstract: The embodiments relate to a method for adapting at least one radiation parameter of a beam source in an x-ray device, wherein the beam source is activated according to the radiation parameter for providing x-radiation, wherein, as long as the filter element is not being moved, the radiation parameter is specified based on image data acquired in a transillumination region by the beam detector, wherein at least one interim image is recorded at least partially within a movement interval during which the filter element is moved, after which the radiation parameter is specified independently of the image data of the interim image or after which exclusively image data of the interim image that are acquired in an overlapping region of the beam detector that lies within the transillumination region during the entire recording interval are taken into account in the determination of the radiation parameter.

Abstract: A method is provided for monitoring the radiation dose in a body to be imaged using an X-ray imaging device comprising an X-ray emitting source, a detector, a processing unit and a display. The method comprises exposing the body to be imaged to radiation doses to acquire initial 2D images; computing a 3D model of the body in relation to the initial 2D images using the processing unit; applying a model of the interactions between matter and radiation to the 3D model of the body using the processing unit; calculating, using the processing unit, a dose map of the distribution of the accumulated radiation dose in the 3D model for parameters that define the conditions of X-ray exposure; and displaying the 3D model of the body oriented according to the position of the emitting source with the dose map.

Abstract: A method for monitoring a radiation dose applied to a patient being exposed or having been exposed to radiation from a medical imaging system, the medical imaging system comprising an X-ray source, the X-ray source describing a trajectory in a coordinate system of reference of the medical imaging system having an origin, the method comprising determining the current coordinates, in the coordinate system of reference of the medical imaging system, of a current region being exposed or having been exposed to radiation from the X-ray source, of an envelope of a patient model, in relation to a current position of the X-ray source, determining, from the current coordinates, a current coordinate system of reference having as origin the current position of the X-ray source, the current coordinate system of reference being centered on the current region, and displaying a representation of the current region centered on the current coordinate system of reference.

Abstract: A method is provided for automatic contour filter positioning for medical X-ray imaging in an X-ray apparatus comprising a collimator and at least one movable contour filter actuated by a motor based positioning subsystem, wherein a digital image in a frame of rows and columns of pixels is rendered for processing and obtaining control data for applying a contour filter. The method comprises identifying exposure of subareas, preparing for filter positioning, and defining filter position.

Abstract: A method for monitoring a radiation dose applied to a patient being exposed or having been exposed to radiation from a medical imaging system, the medical imaging system comprising an X-ray source, the X-ray source describing a trajectory in a coordinate system of reference of the medical imaging system having an origin, the method comprising determining the current coordinates, in the coordinate system of reference of the medical imaging system, of a current region being exposed or having been exposed to radiation from the X-ray source, of an envelope of a patient model, in relation to a current position of the X-ray source, determining, from the current coordinates, a current coordinate system of reference having as origin the current position of the X-ray source, the current coordinate system of reference being centered on the current region, and displaying a representation of the current region centered on the current coordinate system of reference.

Abstract: A method is provided for automatic contour filter positioning for medical X-ray imaging in an X-ray apparatus comprising a collimator and at least one movable contour filter actuated by a motor based positioning subsystem, wherein a digital image in a frame of rows and columns of pixels is rendered for processing and obtaining control data for applying a contour filter. The method comprises identifying exposure of subareas, preparing for filter positioning, and defining filter position.

Abstract: A method is provided for monitoring the radiation dose in a body to be imaged using an X-ray imaging device comprising an X-ray emitting source, a detector, a processing unit and a display. The method comprises exposing the body to be imaged to radiation doses to acquire initial 2D images; computing a 3D model of the body in relation to the initial 2D images using the processing unit; applying a model of the interactions between matter and radiation to the 3D model of the body using the processing unit; calculating, using the processing unit, a dose map of the distribution of the accumulated radiation dose in the 3D model for parameters that define the conditions of X-ray exposure; and displaying the 3D model of the body oriented according to the position of the emitting source with the dose map.

Abstract: There is disclosed a method and apparatus for coding data, for the purpose of preventing unauthorised readout of information. In the method, user information is converted into digital data (UD), and the digital data is recorded in a first data set (CD) and a second data set (HD), where the first data set (CD) is recorded in a first optical storage medium of a data carrier, and the second data set (HD), is recorded in a second, holographic storage medium of the data carrier. According to the method, the digital data (UD) is divided between the first and second data sets (CD,HD) in a manner so that a part of the user information is contained only in the first data set (CD), and another part of the user information is contained only in the second data set (HD), and the relative proportion of the user information in the data sets is selected so that the information contained in any one of the data sets is insufficient by itself to restore the complete user information (UD) contained in both data sets.

Abstract: There is disclosed a method and apparatus for coding data, for the purpose of preventing unauthorised readout of information. In the method, user information is converted into digital data (UD), and the digital data is recorded in a first data set (CD) and a second data set (HD), where the first data set (CD) is recorded in a first optical storage medium of a data carrier, and the second data set (HD), is recorded in a second, holographic storage medium of the data carrier. According to the method, the digital data (UD) is divided between the first and second data sets (CD,HD) in a manner so that a part of the user information is contained only in the first data set (CD), and another part of the user information is contained only in the second data set (HD), and the relative proportion of the user information in the data sets is selected so that the information contained in any one of the data sets is insufficient by itself to restore the complete user information (UD) contained in both data sets.