Abstract: A method includes acquiring a first dataset of projection measurements at a first energy spectrum and a second dataset of projection measurements at a second energy spectrum different from the first energy spectrum by switching between acquiring the first dataset for a set number of consecutive views at different projection angles at the first energy spectrum and acquiring the second dataset for the set number of consecutive views at different projection angles at the second energy spectrum. The set number of consecutive views is greater than one. The method includes supplementing both the first dataset with estimated projection measurements at the first energy spectrum and the second dataset with estimated projection measurements at the second energy spectrum to provide missing projection measurements at different projection angles not acquired during the imaging scan for the first dataset and the second dataset.

Abstract: A non-destructive inspection apparatus is provided. The non-destructive inspection apparatus includes at least one memory configured to store commands for performing predetermined operations, and at least one processor operatively coupled to the at least one memory and configured to execute the commands. The at least one processor is configured to obtain information on a transmission amount of an X-ray by emitting the X-ray to a part of a bicycle, generate a gray scale image based on the information on the transmission, measure an amount of change in a gray value from one end to the other end of the part of the bicycle represented in the gray scale image along an extending direction of the part, and detect an area in which the amount of change in the gray value is equal to or greater than a threshold, as an abnormal area.

Abstract: A radiotherapy system and method for delivering radiotherapy are provided. In some aspects, the radiotherapy system includes beam director comprising a radiation source configured to generate radiation for irradiating a patient, the beam director having at least four degrees of freedom of movement. The radiotherapy system also includes a controller configured to operate the beam director to irradiate the patient in accordance with a radiation treatment plan, wherein the radiation treatment plan is generated based on a solution space determined by the at least four degrees of freedom of movement of the beam director.

Abstract: Various methods and systems are provided for stationary CT imaging. In one embodiment, an imaging system comprises a stationary distributed x-ray source unit comprising a plurality of emitters positioned to emit x-ray beams through the imaging volume, one or more detector arrays extending around at least a portion of an imaging volume, each detector array comprising a plurality of detector elements, each detector element configured to receive x-ray beams from more than one emitter, and an anti-scatter device configured to be positioned between one or more emitters of the plurality of emitters and an object in the imaging volume.

Abstract: A method for irradiation based on a fluence map includes determining a shield type of each row of a fluence map. The method also includes determining, for each of the two rows, a movement curve indicating a relationship between an irradiation dose in the each of the two rows and a moving position of a leaf pair corresponding to the each of the two rows. The method further includes determining an initial irradiation dose for each of the movement curves and synchronizing one of the movement curves based on the shield types of the two rows. The method also includes selecting at least one irradiation dose of at least one point on an irradiation dose axis and generating a control point according to the selected irradiation dose.

Abstract: A smoking detector having a body with a substrate which has a smoking particle capturing surface area positioned upon it. The particle capturing surface area is configured to attract and adhere to airborne smoking particles released in smoke emitted from burning tobacco or marijuana or a Vape device. Smoking particles captured within the particle capturing surface area will luminesce when exposed to UV light providing physical proof that smoking occurred in the room or vehicle where the detector was placed during a defined time period.

Abstract: Some embodiments include a radiographic inspection system, comprising: a drive mechanism configured to move along a structure; a detector attached to the drive mechanism; a radiation source attached to the drive mechanism and positionable relative to the detector such that a width of the structure casts a radiation shadow on an active area of the detector; and control logic coupled to the detector and configured to: receive an image from the detector; generate side wall loss information based on the image; and generate bottom wall loss information based on the image.

Abstract: A pressure control system for providing an interventional pressure to be applied to a defined area of a patient during a pre-interventional imaging process with an imaging system is provided. Therein, the interventional pressure corresponds to an interventional pressure applied to the defined area of the patient during an intervention via a medical technology device. The pressure control system includes a pressure plate, a force module, and a positioning apparatus. Therein, the force module is configured to apply a force on the pressure plate. Therein, the force on the pressure plate generates the interventional pressure. Therein, the positioning apparatus is configured to position the pressure plate and the force module relative to the patient.

Abstract: A super-resolution X-ray shadowgraph system includes an X-ray source, a sample stage, an X-ray detector and an image reconstruction device, which are arranged in sequence. Geometric centers of the X-ray source, the sample stage and the X-ray detector are collinear. The geometric center of the sample stage is provided with a through hole for placing a testing sample, the X-ray source is used for providing X-rays, and the X-rays penetrate the sample stage to form an image on the X-ray detector. The image reconstruction device is used for acquiring the image and performing an image reconstruction on the image to obtain a new image. The shadowgraph system and the imaging method therefor can overcome a deficiency of a lower resolution of the image limited by a size of the source, thereafter obtaining a clear shadowgraph with a high resolution.

Abstract: A method for gating in tomographic imaging system includes steps of: (a) performing a tomographic imaging on an object for acquiring a plurality of projection images at different projection angles, wherein a target of the object moves periodically; (b) obtaining a projected position of the target on each of the projection images, wherein the projected position is a center of a target zone on each of the projection images; (c) calculating a parameter value of pixel values in the target zone on each of the projection images, and obtaining a curve of a moving cycle of the target according to the parameter values of the projection images; and (d) selecting the projection images under the same state in the moving cycle for image reconstruction according to the curve of the moving cycle of the target.

Abstract: The invention concerns a method for obtaining operating parameters for an x-ray CBCT imaging apparatus in view of acquiring a set of data of a patient's maxillofacial region.

Abstract: The present invention relates to a computer-implemented medical method for monitoring a spatial position of a patient's body part, wherein at least one optimum spatial direction for a line of sight of a check x-ray-image is determined, that qualifies for quantifying a deviation of the spatial position of the patient's body part from a target spatial position for the patient's body part. The present invention further relates to a corresponding computer program and a corresponding medical system.

Abstract: The present application discloses an X-ray scanner having an X-ray source arranged to emit X-rays from source points through an imaging volume. The scanner may further include an array of X-ray detectors which may be arranged around the imaging volume and may be arranged to output detector signals in response to the detection of X-rays. The scanner may further include a conveyor arranged to convey an object through the imaging volume in a scan direction, and may also include at least one processor arranged to process the detector signals to produce an image data set defining an image of the object. The image may have a resolution in the scan direction that is at least 90% as high as in one direction, and in some cases two directions, orthogonal to the scan direction.

Abstract: The invention concerns a method for obtaining operating parameters for x-ray imaging a patients maxillofacial region, the method comprising: —identifying a patients maxillofacial first region of interest ROI1, —determining a height of a horizontal plane of said patients maxillofacial first region of interest ROI1 when the patient is in an occlusion position or bites a patient positioning accessory, said horizontal plane passing through the teeth and the bones of the jaw, —acquiring through a slit-shaped collimator window a first set of data relative to said patients maxillofacial first region of interest ROI1 including the horizontal plane using x-ray CBCT imaging and a first x-ray dose, said first set of data being suitable for generating a CBCT slice, —reconstructing the CBCT slice comprising the horizontal plane based on the first set of data relative to the patients maxillofacial first region of interest ROI1, —obtaining operating parameters for an x-ray imaging apparatus based on the reconstructed CBCT s

Abstract: A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different energy characteristics. The image data can be reconstructed using reconstruction techniques.

Abstract: A multi-energy static security CT system comprises at least one N-stage image chain structure (5) and a baggage conveying belt (4) provided at an inner side at the bottom of the N-stage image chain structure (5). The N-stage image chain structure (5) and the baggage conveying belt (4) are fixed at a pre-configured positions by means of a machine frame (8). The N-stage image chain structures (5) are sequentially arranged in a forward direction of a baggage channel, and adjacent N-stage image chain structures (5) are offset relative to each other. By exposing radiation sources in the N-stage image chain structure (5) at different times, the static security CT system generates an image having a higher temporal resolution and more energy spectrum levels than an image generated by a spiral CT system. Also provided is an imaging method implemented by means of the static security CT system.

Abstract: The present disclosure describes methods and apparatuses for reducing metal artifacts in cone beam computed tomography (CBCT) reconstructions. The methods use multiple imaging modalities to identify and locate metal present in a region of dental patients mouth and to generate a reconstructed 3-D volume image of the region with reduced metal artifacts using data obtained by the multiple modalities. According to example embodiments, the methods include creating a metal map using data from a first imaging modality and an initial 3-D reconstruction from data obtained from a second imaging modality including CBCT imaging. The metal map is registered to the initial 3-D reconstruction with a reconstructed metal map and projection metal maps being subsequently produced and applied to projections from the CBCT imaging to generate interpolated projections.

Abstract: A computed tomography method seeking higher resolutions without imposing a dose increase is described. A mask (10) forms a plurality of X-ray beam lets (14) which are passed through a subject (6), and images are captured on X-ray detector (8). The subject (6) is moved with respect to the X-ray detector and mask, including a rotation around a y axis, and a computed tomography image is reconstructed from the plurality of measured datapoints. The beam lets (14) are of small size. FIGS. 4-8 are blurred, FIGS. 10, 11 and 16b contain too small letters/numbers.

Abstract: A system for limited view imaging is provided. The system may obtain a reference image of an object. The system may identify, from the reference image, one or more critical boundaries between a target organ of the object and one or more adjacent organs of the target organ. The system may determine an imaging angle range of the object based on the one or more critical boundaries. The system may further cause an imaging device to scan the object based on the imaging angle range, the object being in a breath-hold state during the scan.

Abstract: A Passive Smart Color Night Vision (CNV) System that includes a fully integrated scope system with dynamically controlled color night vision (CNV) algorithm to work in all light conditions. It provides the ability to replace zoom lens capability as necessary on the fly and includes interchangeable lenses. Scope parameters can be controlled from any mobile device, RF, Bluetooth, Smart goggles, Satellite, and voice. The object recognition data can be loaded to the Scope System via Bluetooth, Wi-Fi, or any form of radio communications. Recognition Algorithm using database loaded. The color night vision picture seen by the Scope System can be seen using smart glasses, mobile devices, and by remote locations. Completely passive solution—IR/Visible composite image capture. An AI Reticle Adjustment algorithm is used to calculate the line up between Reticle canter and target. Smart recording capability and alerts; and recoil dampening carrier to reduce impact on electronics and overall weapon system.