The present specification provides a detector for an X-ray imaging system. The detector includes at least one high resolution layer having high resolution wavelength-shifting optical fibers, each fiber occupying a distinct region of the detector, at least one low resolution layer with low resolution regions, and a single segmented multi-channel photo-multiplier tube for coupling signals obtained from the high resolution fibers and the low resolution regions.

An alert output apparatus is configured to hold: image information indicating one or more inspection objects included in a photographic object of an image for which determination is to be executed; alert target item information indicating an alert target item; and co-occurrence item information indicating alert co-occurrence items each determined in advance as an item to be included in the image at the same time as the alert target item, and to output alert when determining that at least one inspection object out of the one or more inspection objects matches to the alert target item and satisfies a given condition, and when determining that no inspection object out of the one or more inspection objects matches to the alert target item but at least one inspection object out of the one or more inspection objects matches to at least one of the alert co-occurrence items.

The invention discloses a scanning method and apparatus suitable for scanning a pipeline or process vessel in which a beam of gamma radiation from a source is emitted through the vessel to be detected by an array of detectors which are each collimated to detect radiation over a narrow angle relative to the width of the emitted radiation beam.

According to one embodiment, a charged-particle measurement apparatus comprising: a plurality of gas detectors in each of which gas for detecting passage of a charged particle is enclosed; a trajectory calculator configured to calculate a trajectory of the charged particle based on detection signals outputted from the gas detectors and each of the parameters associated with the gas detectors; a measurer configured to measure an object based on the trajectory of the charged particle, the object being a measurement target; a signal intensity acquirer configured to acquire signal intensity of the detection signals; an operating state monitor configured to evaluate the operating states of the gas detectors based on the signal intensity corresponding to the gas detectors; and a parameter updating processor configured to update at least one parameter when at least one of the operating states of the gas detectors associated with this parameter changes.

In one example, there is provided a method for processing data associated with inspection of cargo with an inspection system, the inspection system including a radiation source configured to emit a plurality N of successive pulses irradiating the cargo at a frequency, and a matrix detector including a first column p.sub.1 of detectors and at least one second column p.sub.2 of detectors. The method includes obtaining data associated with a scanning of at least one part of the cargo with a current frequency f.sub.n, wherein the scanning includes displacing the cargo and the system with a relative scanning displacement; determining a pace δ, at a predetermined instant t; and determining whether the determined pace δ is reliable. If the pace is reliable, the current frequency is updated.

The present specification provides a detector for an X-ray imaging system. The detector includes at least one high resolution layer having high resolution wavelength-shifting optical fibers, each fiber occupying a distinct region of the detector, at least one low resolution layer with low resolution regions, and a single segmented multi-channel photo-multiplier tube for coupling signals obtained from the high resolution fibers and the low resolution regions.

A linac-based X-ray system for cargo scanning and imaging applications uses linac design, RF power control, beam current control, and beam current pulse duration control to provide stable sequences of pulses having different energy levels or different dose.

The present specification discloses a radiographic inspection system for screening an area. The inspection system has a container that defines an enclosed volume, a radiation source positioned within the enclosed volume, a detector array, a movable structure attached to a portion of the base of the container, and a controller programmed to move the movable structure to achieve an optimum height of the radiation source's field of view based upon a plurality of data.

A transportable container includes an entrance, an exit, and a body scanner disposed between the entrance and the exit. The transportable container may also include a baggage screening machine.

A method for inspecting at least one vehicle with an inspection system, the inspection system and the at least one vehicle being configured to move relative to one another during an inspection of at least one part, the method including controlling, by a controller, an inspection dose of inspection radiation generated by a radiation source such that, during the inspection of the at least one part of the vehicle by the inspection radiation, the inspection dose remains substantially equal to a predetermined inspection dose, wherein controlling the inspection dose includes the controller obtaining image information representative of a location of the at least one part, and location information representative of a location of the at least one part, wherein the image information is obtained from an image of the vehicle, and the controller controlling the radiation source, based on the obtained information.