The three-dimensional scattered radiation imaging apparatus of the present invention includes: a detection unit which includes a first detector for detecting the position and energy of radiation irradiated from a radiation source and scattered from a subject, a second detector for detecting the position and energy of radiation scattered from the first detector, and a third detector for detecting the position and energy of radiation scattered from the second detector; a signal processing unit for receiving, from the first detector, the second detector, and the third detector of the detection unit, information on the positions and energy of the radiation detected by the first detector, the second detector, and the third detector of the detection unit; and an image processing unit for receiving information from the signal processing unit and displaying the information as an image.

Embodiments include a method, comprising: receiving measured radiation obtained from a radiation detector that received radiation through an object; simulating the measured radiation obtained from the radiation detector that received radiation through the object; generating an offset based on the measured radiation and the simulated measured radiation; estimating scatter radiation based on the offset; and estimating primary radiation based on the estimated scatter radiation.

Methods of reconstructing the surface topography of an object embedded in a scattering medium are provided, with example methodologies including: imaging an object embedded in a signal scattering medium using a scattered signal detector; detecting changes in the magnitude of a plurality of scattered signals obtained from multiple fields of view within the medium; and constructing an image of the surface topography of the object based on said plurality of detected signal magnitude changes. A plurality of system, apparatus, control means, evaluation methods, and materials and components useful for practicing the methods are also disclosed.

A radiation imaging apparatus includes: a detection apparatus including a plurality of detection units configured to detect radiation irradiated based on a constant tube voltage; and a calculation unit configured to obtain multiple pieces of energy information of the radiation and calculate a photon count corresponding to each of the pieces of energy information based on the detection result of each of the multiple detection units.

A camera (10) that includes: a sensor module (1) which measures radiation data; heat radiation parts (14-1, 14-2) which radiate heat generated as the sensor module (1) is cooled; an electrical apparatus (20); and fans (15-1, 15-2) which generate a flow of a first fluid for cooling the heat radiation parts (14-1, 14-2). The camera further has a first passage (41) through which the first fluid flows, a second passage (43) through which a second fluid for cooling the electrical apparatus (20) flows, and a merging part (44) which suctions the second fluid from the second passage (43) into the first passage (41) by means of the flow of the first fluid. Such a camera (10) can be made more compact than other cameras which further include a fan for circulating the second fluid through the second passage (43).

Methods of reconstructing the surface topography of an object embedded in a scattering medium are provided, with example methodologies including: imaging an object embedded in a signal scattering medium using a scattered signal detector; detecting changes in the magnitude of a plurality of scattered signals obtained from multiple fields of view within the medium; and constructing an image of the surface topography of the object based on said plurality of detected signal magnitude changes. A plurality of system, apparatus, control means, evaluation methods, and materials and components useful for practicing the methods are also disclosed.

A Compton camera includes a scattering detection unit, an absorption detection unit, a signal processing unit, a first shield unit, and a second shield unit. The scattering detection unit detects Compton scattering of incident radiation emitted from a radiation source. The absorption detection unit detects absorption of incident radiation that has undergone Compton scattering at the scattering detection unit. The signal processing unit obtains an image of the radiation source based on coincident detection events of Compton scattering of radiation at the scattering detection unit and absorption of radiation at the absorption detection unit. The first and second shield units are provided between the scattering detection unit and the absorption detection unit. The first shield unit selectively allows forward-scattered radiation to pass and selectively blocks back-scattered radiation.

The present disclosure provides a gamma camera imaging method and a gamma camera imaging device. The method includes: selecting, from energy spectrums captured by a gamma camera on one or more radioactive materials, one or more energy ranges of each radioactive material among the one or more radioactive materials as one or more monitored energy regions of the radioactive material; performing image reconstruction on the monitored energy regions of each radioactive material among the one or more radioactive materials; performing normalization on images obtained through the image reconstruction; and performing superimposing on the normalized images to form a composite image.

A detector arrangement for detecting at least one of rays, ions and particles includes a plurality of detectors. Each detector has a respective anode output and the detectors are arranged with the respective anode outputs being in an electrical series. The arrangement includes a plurality of resistive elements interspersed in the electrical series. The arrangement includes a first measurement point at a first end of the electrical series and a second measurement point at a second end of the electrical series. The arrangement includes electrical circuitry, electrically connected to the first and second measurement points for receiving electrical signals/pulses from the first and second measurement points, and for using the electrical signals/pulses from the first and second measurement points to determine which of the plurality of detectors made the detection utilizing a division of charge that exists between the first and second measurement points.

This disclosure provides a system and method for inspecting a component. The device can have a detector positioning system coupled to a detector and operable to move the detector within five degrees of freedom. The device can have an emitter positioning system operably coupled to the emitter and operable to move the emitter in three dimensions. The device can move the detector to a reference point above the component, the reference point being separated by a radius () on the applicate axis from an inspection point on the component. The controller can also receive at least one input from a display, and command the detector to a detector position within a spherical dome centered on the reference point based on the at least one input.