Abstract: The optical interrogation technique can use an optical prism having two opposite sides including a sample side and a refraction side, the sample side having a plurality of interrogation areas; a source assembly generating a collimated field of illumination directed towards the refraction side; a screen disposed in a screen plane intersecting the field of illumination and shielding the refraction side from the field of illumination, the screen having an aperture allowing a portion of the field of illumination to reach and be refracted by the refraction side, be totally internally reflected at one of said interrogation areas of the sample side, thereby generating a signal, the signal refracted back through the aperture, the screen being movable within the screen plane to shift the aperture and expose different portions of the field of illumination to corresponding ones of the interrogation areas.

Abstract: Provided is a backscattered X-ray image device based on multi-sources. The backscattered X-ray image device includes an X-ray tube array configured to generate X-rays, first slit plates provided on the X-ray tube array and having a first slit through which the X-rays pass, second slit plates provided on the first slit plates and having second slits defined in a direction different from that of the first slit, and detectors provided on the second slit plates and having a narrow gap in the same direction as the first slit, the detectors being configured to detect a backscattered beam that is emitted from a subject receiving the X-rays.

Abstract: An X-ray diagnosis apparatus according to an embodiment includes an imaging system and a processing circuitry. The imaging system is configured to perform an imaging process on an examined subject by emitting X-rays onto the examined subject. The processing circuitry is configured to execute the imaging process on the examined subject by controlling the imaging system in an imaging mode selected from between an X-ray fluoroscopy imaging mode for obtaining an X-ray projection fluoroscopic image of the examined subject and a Computed Tomography (CT) imaging mode for obtaining a CT image of the examined subject and is configured to perform a super resolution process corresponding to the imaging mode.

Abstract: The present disclosure relates to methods and systems for assessing the quality of a meat product. In certain embodiments, the present disclosure provides a method of assessing quality of a meat product, the method comprising receiving data representative of light emitted from the meat product upon application of incident light to the meat product, analysing the data to determine one or more parameters indicative of quality of the meat product, and assessing the quality of the meat product on the basis of the one or more parameters.

Abstract: Provided is a method for determining tube electrical parameters. The method includes: acquiring target projection data of an imaging device in scanning a target object at a first scan angle; acquiring target noise data corresponding to the target object; determining current noise data corresponding to the target projection data; and determining, based on the target noise data and the current noise data, the tube electrical parameters of the imaging device in scanning the target object at a second scan angle.

Abstract: A multi-layer X-ray detector comprises a first X-ray converter, a first sensor, a second X-ray converter, a second sensor, and an internal anti-scatter device. The first sensor is located at a first sensor layer and is configured to detect radiation emitted from the first X-ray converter. The second sensor is located at a second sensor layer and is configured to detect radiation emitted from the second X-ray converter. The first X-ray converter and the first sensor form a first detector pair, and the second X-ray converter and the second sensor form a second detector pair. The internal anti-scatter device comprises a plurality of X-ray absorbing septa walls and is located between the first detector pair and the second detector pair. No structure of the internal anti-scatter device is located within either layer of the first detector pair, and no structure of the anti-scatter device is located within either layer of the second detector pair.

Abstract: Operations of radiometers may be improved by calculating calibration uncertainties for the radiometer. Initially, operational characteristics for the radiometer, and/or historical calibration parameters for a plurality of previously performed calibration processes using the radiometer may be obtained. Additionally, a calibration uncertainty for the radiometer based on the obtained operational characteristics for the radiometer and the obtained historical calibration parameters may be calculated, and desired, calibration parameters for the radiometer may be identified. The identified desired, calibration parameters may be based on the calculated, calibration uncertainty.

Abstract: A radiation detector includes a halide semiconductor sandwiched between a cathode and an anode and a buffer layer between the halide semiconductor and the anode. The anode comprises a composition selected from: (a) an electrically conducting inorganic-oxide composition, (b) an electrically conducting organic composition, and (c) an organic-inorganic hybrid composition. The buffer layer comprises a composition selected from: (a) a composition distinct from the composition of the anode and including at least one other electrically conducting inorganic-oxide composition, electrically conducting organic composition, or organic-inorganic hybrid composition; (b) a semi-insulating layer selected from: (i) a polymer-based composition; (ii) a perovskite-based composition; (iii) an oxide-semiconductor composition; (iv) a polycrystalline halide semiconductor; (v) a carbide, nitride, phosphide, or sulfide semiconductor; and (vi) a group II-VI or III-V semiconductor; and (c) a component metal of the halide-semiconductor.

Abstract: A gantry for a computed tomography device has a support structure, a pivot bearing, a rotating frame, a first braking resistor configured to electromotively brake a rotational movement of the rotating frame, and a heat conductor configured to dissipate heat from the first braking resistor. A heat conductor and a pressure duct wall are interconnected to form a heat-conductor-to-pressure-duct-wall connection that is detachable, form-fitting, planar, and thermally conductive. The heat is transferrable from the first braking resistor to the airflow via the heat conductor, the heat-conductor-to-pressure-duct-wall connection and the pressure duct wall.

Abstract: A laser system calibration method and system are provided. In some methods, a calibration plate may be used to calibrate a video camera of the laser system. The video camera pixel locations may be mapped to the physical space. A xy-scan device of the laser system may be calibrated by defining control parameters for actuating components of the xy-scan device to scan a beam to a series of locations. Optionally, the beam may be scanned to a series of locations on a fluorescent plate. The video camera may be used to capture reflected light from the fluorescent plate. The xy-scan device may then be calibrated by mapping the xy-scan device control parameters to physical locations. A desired z-depth focus may be determined by defining control parameters for focusing a beam to different depths. The video camera or a confocal detector may be used to detect the scanned depths.

Abstract: A radiography apparatus includes an upright imaging stand that is used for radiography on a subject, a camera as a detection sensor that immediately detects a state of the subject with respect to the upright imaging stand, a tablet terminal, and a reflective member. The tablet terminal displays a notification screen including an image output from the camera. The reflective member reflects the notification screen such that the subject facing the upright imaging stand visually recognizes the image.

Abstract: Fast neutron detectors using nuclear reactions within semiconductor material, glass, or other material. Some versions used doped versions of the materials. Some versions use dopants selected from Ba, As, Br, C, Ce, Cl, Co, Cu, F, Ga, Ge, In, Cd, Te, Al, P, K, La, Mo, Nd, O, Os, Pr, S, Se, Si, Sn, Sr, Ti, Tl, V, Zn, and Zr. Some versions have filters or coatings deposited on windows into the detector. Coatings are selected from titanium oxide, zinc oxide, tin oxide, copper indium gadolinium selenide, cadmium telluride, cadmium tin oxide, perovskite photovoltaic, Si, GaAs, AlP, Ge.

Abstract: A medical image apparatus according to an embodiment of the present disclosure includes a main body that is travelable, a column vertically coupled to the main body, a straight arm moving unit sliding in a longitudinal direction of the column, a straight arm coupled to the straight arm moving unit and rotating with respect to the column, and a source arm located on a side of the straight arm, perpendicular to the straight arm, and including a source driving rail through which a source assembly slides, wherein the straight arm is coupled to a moving unit rotating shaft formed on the straight arm moving unit, and is rotatable with respect to the column about the moving unit rotating shaft, and the source arm is fixed to the side of the straight arm.

Abstract: A motor organ disease prediction device includes at least one processor, in which the processor derives a bone mineral density of a target bone among bones included in a subject including a bone part and a soft part, a muscle mass around the target bone, shape information representing a shape of the target bone, and shape information representing a shape of a bone adjacent to the target bone from a first radiation image and a second radiation image acquired by imaging the subject by radiation having different energy distributions. The processor derives a probability of occurrence of a motor organ disease relating to the target bone from the bone mineral density of the target bone, the muscle mass around the target bone, the shape information of the target bone, and the shape information of the bone adjacent to the target bone.

Abstract: A tomosynthesis machine allows for faster image acquisition and improved signal-to-noise by acquiring a projection attenuation data and using machine learning to identify a subset of the projection attenuation data for the production of thinner slices and/or higher resolution slices using machine learning.

Abstract: An object is to provide intensity information and energy information while reducing processing load and power consumption. In a radiation detector, a radiation detection element, in which a plurality of pixels each configured to generate an electric charge corresponding to energy of X-rays penetrating a subject is two-dimensionally arranged, and a plurality of read circuits each configured to output an intensity signal of transmitted X-rays based on the electric charge generated by each of the plurality of pixels are stacked with each other, and some read circuits thinned out from a plurality of read circuits each generate a spectral signal related to a spectrum of a transmitted X-ray based on the electric charge and output the spectral signal.

Abstract: A device for use with a four-dimensional radiological imaging modality includes: a base structure and a table slidably mounted with respect to one another. The base structure is at one end provided with a platform at an angle relative to the table, and a counteracting structure is arranged to apply to the table a load exerting force in a direction towards the one end provided with the platform from the opposite end of the base structure or vice versa.

Abstract: The present disclosure relates to a THz measuring device for measuring a measuring object and a THz measuring method for measuring a measuring object.

Abstract: There is provided a radiation detection apparatus capable of effectively discriminating between noise and X-ray signal. The radiation detection apparatus includes a detector for detecting radiation and producing a detector output signal, a first differential filter having a time constant and operative to differentiate and convert the detector output signal into a first pulsed signal, a second differential filter having a time constant greater than that of the first differential filter and operative to differentiate and convert the detector output signal into a second pulsed signal, and a noise detection section for detecting noise based on the difference in timing between peaks of the first and second pulsed signals.

Abstract: A device for capturing an image of an object of medical interest in remitted or reflected illumination light and for capturing an image of the object in fluorescent light generated by Cy5.5 and/or SGM-101 and for capturing an image in fluorescent light generated OTL38 and/or indocyanine green (ICG). The device includes an image sensor for detecting blue, green and red light, another image sensor for detecting fluorescent light of Cy5.5 and/or SGM-101 and OTL38 and/or ICG, a beam splitter guiding light having a wavelength smaller than a predetermined cutoff wavelength to the first sensor and guiding light having a wavelength greater than the predetermined cutoff wavelength to the second sensor, and filters upstream of the second sensor for partially, substantially or completely suppressing light having a wavelength exciting Cy5.5 and/or SGM-101 and for partially, substantially or completely suppressing light having a wavelength suitable for exciting fluorescence of OTL38 and/or ICG.