Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.

Abstract: An X-ray imager having an X-ray source, a semiconductor detector, and a processor. On a rear side of the semiconductor detector facing away from the front side, in each of a plurality of imaging regions of the semiconductor detector, at least one imaging electrode is arranged and a plurality of detectors each contact at least one of the imaging electrodes in order to acquire first measurement values relating to X-ray signals of the imaging electrodes. The processor is configured to establish an image dataset dependent upon the first measurement values. At least one additional electrode is arranged on the rear side of the semiconductor detector outside the imaging regions. At least one current sensor contacts the additional electrode or at least one of the additional electrodes in each case to acquire the current flow by way of the second measurement values relating to the at least one additional electrode.

Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.

Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.

Abstract: One or more example embodiments relates to a power supply circuit for a computed tomography system. The power supply circuit comprises a stationary power distributor including an uninterruptible power supply; a co-rotating bias voltage supply, the co-rotating bias voltage supply including a voltage supply input, a bias voltage supply output, and a bias voltage monitoring unit, the bias voltage monitoring unit being configured to activate or to deactivate the bias voltage supply output as a function of an electrical input voltage detected at the voltage supply input, and the bias voltage includes a sensor configure to detect the electrical input voltage at the voltage supply input; and an auxiliary voltage source having a power buffer, the power buffer configured to supply the bias voltage monitoring unit with electrical power for deactivation of the bias voltage supply output.

Abstract: An X-ray detector includes a converter element for converting X-rays into electric signals; and a plurality of pixel elements. In an embodiment, each pixel element includes a first signal processing stage for processing respective electric signals with at least one signal amplifier and at least one comparator for providing a digital pixel signal. The signal outputs of the first signal processing stage of at least one group of pixel elements are coupled via signal technology to a common second signal processing stage including a multiplicity of digital logic elements. The common second signal processing stage includes a configurable switching matrix for interconnecting at least one partial number of the multiplicity of digital logic elements with the respective signal outputs of the first signal processing stage, so that, following a configuration of the switching matrix, a processing chain can be provided for the digital processing of the digital pixel signals.

Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.

Abstract: A computed tomography device includes a holding frame and a ring mount, being movably mounted to the holding frame. The ring mount includes an x-ray detector, with a semiconductor material, operable in an equilibrium of statistical states of occupation. In an embodiment, the computed tomography device includes a first power supply, set up to supply power, in an operating state of the computed tomography device, to a first lot of components of the computed tomography device, the first lot of components being arranged on the ring mount for an image generation process; and a second power supply, separable from the first power supply in terms of circuitry, to supply power to a second lot of components of the computed tomography device in a resting state of the computed tomography device, the components of the second lot being set up to hold the semiconductor material in the equilibrium.

Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.

Abstract: A photon-counting X-ray detector is for acquiring an X-ray image data set of an object penetrated by X-ray radiation. The detector includes a converter element, designed to convert incident X-ray radiation into an electrical signal; and a matrix with a plurality of pixel elements. At least a partial number of the plurality of pixel elements receive a signal input and at least one configurable counter is coupled to the at least a partial number of the plurality of pixel elements, for signaling. Further, the at least one configurable counter is designed to count either a pixel count signal, based on a signal directly received in each respective pixel element, or a coincidence count signal, based on the signal received directly in the respective pixel element and on a coincident signal of at least one further pixel element.

Abstract: An X-ray detector includes a converter element for converting X-rays into electric signals; and a plurality of pixel elements. In an embodiment, each pixel element includes a first signal processing stage for processing respective electric signals with at least one signal amplifier and at least one comparator for providing a digital pixel signal. The signal outputs of the first signal processing stage of at least one group of pixel elements are coupled via signal technology to a common second signal processing stage including a multiplicity of digital logic elements. The common second signal processing stage includes a configurable switching matrix for interconnecting at least one partial number of the multiplicity of digital logic elements with the respective signal outputs of the first signal processing stage, so that, following a configuration of the switching matrix, a processing chain can be provided for the digital processing of the digital pixel signals.

Abstract: A method is for generating an X-ray image dataset via an X-ray detector having a converter element and a multiplicity of pixel elements. In an embodiment, the method includes first counting of at least one quantity of count signals dependent upon the incident X-ray radiation in each pixel element of the multiplicity of pixel elements; second counting of at least one quantity of coincidence count signals in each pixel element of the subset of pixel elements with at least one further pixel element of the multiplicity of pixel elements; and generating an X-ray image dataset based upon the at least one quantity of count signals counted in each pixel element of the multiplicity of pixel elements and upon the at least one quantity of coincidence count signals counted in each pixel element of the subset of pixel elements.

Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.

Abstract: A computed tomography device includes a holding frame and a ring mount, being movably mounted to the holding frame. The ring mount includes an x-ray detector, with a semiconductor material, operable in an equilibrium of statistical states of occupation. In an embodiment, the computed tomography device includes a first power supply, set up to supply power, in an operating state of the computed tomography device, to a first lot of components of the computed tomography device, the first lot of components being arranged on the ring mount for an image generation process; and a second power supply, separable from the first power supply in terms of circuitry, to supply power to a second lot of components of the computed tomography device in a resting state of the computed tomography device, the components of the second lot being set up to hold the semiconductor material in the equilibrium.

Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.

Abstract: Computed tomography (CT) measurement data of the patient is acquired using a CT device having a quantum counting X-ray detector, and the CT measurement data is processed to generate result data, considering a specific information content of the CT measurement data resulting from the use of the quantum counting X-ray detector in acquiring the CT measurement data. The result data is suitable for use in the planning of irradiation of the patient. The result data is provisioned to an interface such that the result data is usable for planning the irradiation of the patient.

Abstract: An X-ray detector includes a stack arrangement with a scattered radiation grid and a planar converter element including a first surface and a second surface. The converter element includes a first electrode embodied on the first surface and a pixelated second electrode with two adjacent first electrode elements. The two adjacent first electrode elements include a first width and a first length and the two adjacent first electrode elements are embodied the second surface opposite the first surface. The scattered radiation grid includes a grid wall with a thickness along the boundary between the two adjacent first electrode elements. The grid wall is arranged to be substantially perpendicular on the first surface and, in a projection, substantially parallel to the direction of incidence of the radiation and to the surface normal of the first surface. The grid wall at least partially overlaps the two adjacent first electrode elements.

Abstract: In a method and control unit for activating an X-ray detector, having an X-ray sensitive sensor layer and an arrangement of pixel electrodes connected at the back to the sensor layer, an individually adjusted depletion voltage is applied to each of the pixel electrodes. The value of the depletion voltages applied to different pixel electrodes is chosen to be different such that the effective pixel sizes respectively associated with the pixel electrodes are aligned with each other.

Abstract: A method is disclosed for detecting x-rays using an x-ray detector which includes a direct-conversion semiconductor detector element. Additional radiation is supplied to the semiconductor detector element using a radiation source, and the supply of the additional radiation is controlled and/or regulated on the basis of a specified target value. In at least one embodiment, the target value can be specified in a variable manner over time as a sequence of target values. An x-ray detector system is further disclosed, with which the method can be carried out.

Abstract: A direct conversion X-ray detector for the detection of X-rays includes at least a semiconductor used for detecting X-rays, which has areas that are shaded against X-rays and unshaded areas, a pixelated electrode attached to the semiconductor and an all-over electrode attached to the semiconductor opposite the pixelated electrode, and at least one light source to illuminate the all-over electrode with additional light radiation for the purpose of generating additional charge carriers. In an embodiment, the at least one light source is designed such that the shaded areas are irradiated with a different intensity of the additional light radiation than are the unshaded areas. A CT system including the direct conversion X-ray detector is also disclosed, together with a method for the detection of incident X-rays via direct conversion X-ray detector, wherein the shaded areas are irradiated with a different intensity of the additional light radiation than the unshaded areas.