Abstract: A radiation protection device for an opening for inspection objects on a radiation tunnel is provided. The radiation protection device is formed from a plurality of radiation protection curtains arranged one behind the other at a distance in a transport direction, wherein a first radiation protection curtain includes a first shielding radiation protection curtain section covering only a first area of the opening and second shielding radiation protection curtain sections of at least one second radiation protection curtain arranged behind the first radiation protection curtain in the transport direction cover the area of the opening not covered by the first radiation protection curtain.

Abstract: The disclosure relates to a method for detecting a tampered metal item (FC), in which a non-metallic substance is concealed and which has been tampered with in such a way that the tampered metal item (FC) produces a two-dimensional X-ray image comparable to a corresponding non-tampered metal item, in two-dimensional X-ray data of an inspection object (O1, O2, O3) containing the metal item (FC), the method including (S10) determining a region containing a metal item (FC), (S20) providing an attenuation curve (D(r)) for or intensity curve (I(r)) of detected X-ray radiation along a line (L) through said metal item (FC), (S30) evaluating whether the attenuation curve (D(r)) or the intensity curve (I(r)) shows a characteristic anomaly (P1, P2) in a predetermined area, and when the attenuation curve (D(r)) or the intensity curve (I(r)) in the predetermined range shows the characteristic anomaly (P1, P2), (S40) triggering an alarm function.

Abstract: Methods, systems, and devices are described for correcting image errors in a radiographic image that has been generated by means of an inspection apparatus configured for continuously transporting inspection objects through the inspection apparatus for the nondestructive inspection of the inspection objects and to generate radiographic images of the inspection objects. An inspection system includes an evaluation device connected in a spatially separate manner to one or more inspection apparatuses. The evaluation device includes a computer unit configured to receive at least one radiographic image of an inspection object from generated by the inspection apparatus, an output unit for displaying the radiographic images, and an input unit for receiving inputs from an operator in response to the displayed radiographic images. The disclosure further relates to a corresponding computer program, a data medium, and a data stream.

Abstract: In order to predict the lifetime of an X-ray generator, the data of at least one physical variable which influences the lifetime of the generator are regularly stored. The stored data are evaluated by means of stored statistics in order to determine the expected remaining lifetime of the X-ray generator.

Abstract: An X-ray tube includes an anode that conducts a high voltage that can be greater than 120 kV, and in particular greater than 300 kV, and heats up during operation. The anode is connected in a thermally conductive way to a heat sink, which has a base body composed of a metal with a heat absorbing surface for coupling to the anode as a heat source and a heat dissipating surface that is enlarged by means of heat dissipating elements that are connected to the base body. The heat dissipating elements are composed of an electrically insulating material having a thermal conductivity on the same order of magnitude as that of the metal of the base body, and have a height (H) starting from the base body of the heat sink so that there is a sufficient insulation breakdown resistance relative to the surroundings of the X-ray tube.

Abstract: The present disclosure relates to a device and method for generating test X-ray images for nondestructively inspecting an inspection object, such as a piece of luggage or a package. The generation device includes: an inspection object database for storing X-ray image data of inspection objects generated using at least one X-ray inspection facility; a target item database containing image data of target items; and an image projection unit for projecting a virtual image of a target item from the target item database into an X-ray image from the inspection object database to generate a test X-ray image. The image projection unit is configured for generating test images based on an X-ray image of an inspection object, the X-ray image having been recorded prior to a first time period, and the associated inspection object having already been classified as safe and/or having been classified as safe during an automatic inspection.

Abstract: A multi-stage control system for inspection of a person includes at least one control device at a first location and at least a follow-up control device at a second location. The control device is configured to determine a follow-up control area of the person, store data defining the follow-up control area in a data set, generate a unique identification feature for the person based on a detected external feature of the person, and allocate the person to the data set. The follow-up control device comprises a display device for displaying a graphical representative of a person, and is configured to display a visually recognizable follow-up control area of the person for finding hidden objects in accordance with a data set allocated to the person. The follow-up control device can also be configured to generate the unique identification feature for the person based on a detected feature of the person.

Abstract: Systems and methods for modeling are provided. The method can include acquiring scan data associated with a plurality of x-ray projections of an item. The method can further include determining at least one closed boundary curve associated with the item. For example, the method can determine a first maximum area based on the scan data and determine at least one edge of the first maximum area. The method can further generate a model of the item using the closed boundary curve and a first material specific parameter for a material within the closed boundary curve. The method can utilize the model to generate computed scan data, compare the computed scan data to the scan data, and determine a goodness of fit. The method can further adjust the model of the item by altering at least one of the closed boundary curve and the material specific parameter.

Abstract: This disclosure relates to a system and method for detecting an item having at least one symmetry property inside an inspection object based on at least one transmission image. The method includes the steps: (a) detection of edges of individual items contained in the transmission image in order to produce an edge image; and (b) detection of the item by determining a symmetry line that can be associated with an item with at least one symmetry property contained in the transmission image based on pairs of edge picture elements of the edge image that are positioned symmetrically to each other relative to the symmetry line; and in step (b), in determining the symmetry line in the edge image, the only edge picture elements that are taken into account are those for which the symmetry line lies in an item contained in the transmission image, to which item the edge belongs.

Abstract: The present disclosure relates to a device for closing and opening a beam path of electromagnetic and/or ionizing radiation, comprising at least one part of a shutter body which is permanently situated in the beam path and rotatable about a longitudinal axis situated essentially transversely with respect to the beam path, and which contains a material that is opaque to the radiation and blocks the beam path when the shutter body is in a closed rotary position, and which defines a passage that is transparent to the radiation when in an open rotary position; and comprising a magnetic drive which is coupled to the shutter body for rotation of same about the longitudinal axis between the rotary positions. The magnetic drive is an electromagnetic drive, and is configured for moving the shutter body between the rotary positions, wherein at least one of the rotary positions corresponds to a stable position of the magnetic drive which maintains the magnetic drive without current.

Abstract: A bus node, a communication unit, which can be coupled for communication to at least data line of a bus; having a bus node controller, which is coupled operationally to the communication unit; and having an identification unit, which has a quadripole connectable, instead of a direct connection, between an IDT input and an IDT output for an identification line and vice versa, the quadripole being configured such that upon a serial interconnection of a first bus node with at least one second bus node for the bus node controller, the position of the first bus node is identifiable on the basis of a comparison of the voltage at the IDT input with a predetermined threshold value, regardless of the number of second bus nodes.

Abstract: The invention relates to a device (26; 26.1; 26.2) for generating test X-ray images for training and/or testing operators at the location of use of at least one X-ray inspection facility (10.1, 10.2, 10.n) for nondestructively inspecting an inspection object (14), in particular a piece of luggage or a package. The generation unit (26; 26.1; 26.2) includes: an inspection object database (34) for storing X-ray image data of inspection objects (14) generated using the at least one X-ray inspection facility (10.1, 10.2, 10.n); a target item database (36) containing image data of target items; and an image projection unit (38) for projecting a virtual image of a target item from the target item database (36) into an X-ray image from the inspection object database (34) in order to generate a test X-ray image.

Abstract: Provided herein are devices, systems, and methods for the detection of objects (e.g., laptop computers, electronics, explosives, etc.) within luggage. In particular, methods are provided for the detection of laptop computers within luggage (e.g., luggage containing other metallic objects and/or electronic devices).

Abstract: A liquid mixture is used to test and validate test devices for inspecting objects or persons, said mixture containing glycerol and sodium hydroxide, in a weight ratio of glycerol to solid hydroxide between 6.5 and 3.8, and containing water.

Abstract: The invention relates to an x-ray testing system, in particular a mobile x-ray testing system for large-volume objects (5) to be tested, comprising at least one x-ray source, at least one detector arrangement (6), and a support arm (4) which extends downwards in a perpendicular manner and on which a detector arrangement (6) and/or an x-ray source is secured, an active vibration damper (8) being arranged on the support arm (4) for damping horizontal vibrations.

Abstract: In a facility for checking large-volume goods, in particular freight goods, with an X-ray source, which emits X-rays for irradiating the goods, and with a detector arrangement aligned with the X-ray source, the detectors of the detector arrangement are designed or arranged in such a way that detector rows are produced with two row limbs which abut one another at right angles on their longitudinal sides, of which one limb is aligned parallel to the movement direction of the goods being checked, and the other is aligned perpendicular to this in the direction of the X-ray source.

Abstract: A liquid mixture is used to test and validate test devices for inspecting objects or persons, said mixture containing glycerol and sodium hydroxide, in a weight ratio of glycerol to solid hydroxide between 6.5 and 3.8, and containing water.

Abstract: A method and apparatus is provided for detection of a particular material in an object, in particular in an item of luggage, by means of electromagnetic radiation in which the intensities of non-absorbed radiation from at least three radiation planes are measured and evaluated in associated detector apparatus, wherein an image is produced, initially from the intensities of the non-absorbed radiation, and then if single regions of low complexity are found which are characterized by approximately constant intensities, an estimation of the attenuation coefficient s performed and a material detection is carried out in the region according to an algorithm which calculates a three-dimensional reconstruction from different views.

Abstract: A liquid mixture used to test and validate test devices for inspecting objects or persons is provided. The mixture containing glycerol and consisting of a mixture of glycerol, ethanoic acid and water.