Abstract: A CT scan device including a CT scanner and an auxiliary table is proposed. The CT scanner has a scanning area and a scanning table, with the scanning table able to shift straight and pass through the scanning area. The auxiliary table is arranged on a side of the CT scanner opposite to another side where the scanning table is disposed, with the auxiliary table having an extension portion and a body, wherein a connection end of the extension portion connects with the body, an abutting end of the extension portion abutting against the scanning table, the extension portion has an inclined surface raised from the connection end to the abutting end, and the scanning table is able to push the auxiliary table moving relatively to the scanning area.

Abstract: An X-ray tube is provided adapted to generate X-ray beams, comprising a first and a second deflection device mounted external or internal to the X-ray tube between a cathode and an anode in a diagonal manner for focal spot deflection in a combined x- and y-direction. The first and second deflection devices are triggered alternately such that only one deflection device is activated at a time. The first and second deflection devices may be triggered according to a predetermined switching sequence, e.g. producing a predetermined deflection pattern of the focal spot. Thereby, an improved x- and z-flying focal spot methodology is provided.

Abstract: A patient alignment system for a radiation therapy system. The alignment system includes multiple external measurement devices which obtain position measurements of components of the radiation therapy system which are movable and/or are subject to flex or other positional variations. The alignment system employs the external measurements to provide corrective positioning feedback to more precisely register the patient and align them with a radiation beam. The alignment system can be provided as an integral part of a radiation therapy system or can be added as an upgrade to existing radiation therapy systems.

Abstract: During treatment by brachytherapy, radiation passes beyond the target volume and delivers radiation dose to adjacent tissue such as the lungs and, especially in the case of treatment of the left breast, to the heart. The heart is particularly vulnerable to radiation; to minimise the dose it receives in such circumstances, we propose an apparatus for treatment by brachytherapy comprising an X-ray source sized for insertion into a patient, a respiration state monitor, and a control apparatus adapted to receive respiration state information from the respiration state monitor and control the output of the X-ray source; the control apparatus being arranged to operate the X-ray source at a first output level when the respiration state monitor indicates a degree of lung inflation above a first preset threshold and operate the X-ray source at a second and lower output level when the respiration state monitor indicates a degree of lung inflation below a second preset threshold.

Abstract: Apparatus and methods for therapy delivery are disclosed. In one embodiment, a therapy delivery system includes a plurality of movable components including a radiation therapy nozzle and a patient pod for holding a patient, a patient registration module for determining a desired position of at least one of the plurality of movable components, and a motion control module for coordinating the movement of the least one of the plurality of movable components from a current position to the desired position. The motion control module includes a path planning module for simulating at least one projected trajectory of movement of the least one of the plurality of moveable components from the current position to the desired position.

Abstract: The invention comprises an X-ray tomography method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. In various embodiments, 3-D images are generated from a series of 2-D X-rays images; the X-ray source and detector are stationary while the patient rotates; the 2-D X-ray images are generated using an X-ray source proximate a charged particle beam in a charged particle cancer therapy system; and the X-ray tomography system uses an electron source having a geometry that enhances an electron source lifetime, where the electron source is used in generation of X-rays. The X-ray tomography system is optionally used in conjunction with systems used to both move and constrain movement of the patient, such as semi-vertical, sitting, or laying positioning systems. The X-ray images are optionally used in control of a charged particle cancer therapy system.

Abstract: A patient table (1) usable in an X-ray image acquisition arrangement (100) is proposed. The patient table (1) comprises a table plate (3) being connected to a table base (5) via at least one movable joint (9), wherein the table plate (3) is movable using at least one actuator (11). In order to set or re-establish an accurate position/orientation of the movable table plate (3), the patient table comprises a positioning system including a first sensor arrangement (15) for providing position data of the at least one movable joint (9) and a second sensor arrangement (17) for providing position data of the table plate (3), e.g. by tracking at least one marker (21) attached to the table plate (3). Using such patient table (1) may allow for accurately automatically positioning the table plate (3). Furthermore, the accurate position data provided by the second sensor arrangement (17) may be used in a method for improved three-dimensional roadmapping.

Abstract: In an X-ray computer tomograph and a method for examining a component by means of X-ray computer tomography, the component carries out a movement relative to a radiation source detector unit in at least two degrees of freedom of movement, so at least one trajectory can be produced which spans a three-dimensional space. Since the X-radiation has a three-dimensional radiation geometry, volume data can be rapidly obtained and precisely reconstructed to form a three-dimensional X-ray image. The component can be geometrically measured by means of a geometry detection unit.

Abstract: In various exemplary embodiments, a targeting device providing a visible indication of an invisible beam is disclosed. The invisible beam, such as an x-ray beam, is emitted by a radiation source on a medical imaging system. The targeting device includes, for example, an illumination source to produce a visible beam and operate at one or more wavelengths. The illumination source, which is opaque to the x-ray beam and would ordinarily cause shadows on the imaging system, is arranged to be mounted outside of a field-of-view of the invisible beam. A beam reflector is mounted next to the illumination source. The beam reflector is fabricated from a material invisible to x-rays and is arranged to be mounted within the field-of-view of the invisible beam. The beam reflector redirects the visible beam produced by the illumination source such that the visible beam is parallel to the field-of-view of the invisible beam.

Abstract: The present invention is related to a patient positioning imaging device for positioning a patient in a hadron therapy device provided with a rotatable gantry (20). The patient positioning imaging device comprises a rotatable structure (10) provided with an extensible arm or foldable pivoting arm (12) arranged for connecting an imaging beam source (121) and an extensible structure or foldable pivoting structure (14) arranged for carrying an imaging beam receiver (141). The rotatable structure (10) is arranged for taking CBCT shots of the patient while the patient is located in an offset position with respect to an isocentre of the hadron therapy device, said offset position being in the direction of a rotational axis of the rotatable gantry (20). The rotatable structure (10) is arranged for being rotated while the rotatable gantry (20) remains fixed, and while the extensible or pivoting arm (12) and the extensible or pivoting structure (14) are in extended or unfolded position.

Abstract: A method and system for motion estimation and compensation are disclosed. Initially, a set of one or more initial images is reconstructed using acquired imaging data. Further, one or more regions of interest are identified in this set of reconstructed initial images. At least a set of filters is applied to the identified regions of interest to generate a sequence of filtered images. Particularly, each of the filtered images in the generated sequence of filtered images includes data acquired near a different reference point. Subsequently, a motion path corresponding to each region of interest is determined based on one or more correspondences in the sequence of filtered images.

Abstract: A patient support surface, patient support system in combination with a CT scanner, and method of installing a patient support system for a surgical procedure is provided. The patient support surface includes a radiolucent elongate first member having laterally spaced first side members extending between opposite ends with a plurality of cross members extending between the first side members. The support surface further includes an elongate second member having laterally spaced second side members extending between opposite ends with a plurality of cross members extending between the second side members. One of the opposite ends of the first member is configured for attachment to one of the ends of the second member. The other of the opposite ends of the first member is configured for attachment to a first support, and the other of the opposite ends of the second member is configured for attachment to a second support.

Abstract: A method for correcting truncated projection data of a rotation for a reconstruction technique for computed tomography scans with truncated projection data in the computed tomography images produced by a C-arm is proposed. At least one truncated projection is recorded. The truncated portions prior to acquisition of the rotation for the at least one truncated projection is captured. The truncated projection and the truncated portions are assembled into at least one complete projection. Truncated projection data is acquired during the rotation. The truncated data is estimated based on a model of the patient geometry from the at least one complete projection. A reconstruction technique is performed on the basis of the acquired and the estimated data.

Abstract: A marine device has a floating buoy containing electronics, a submerged payload containing electrical devices and electronics, a power source and a mooring line. At least a part of the power source is submerged and electrically connected to at least one of the submerged payload and the floating buoy, and the mooring line extends between the buoy and at least one of the power source submerged part, the submerged payload and a submerged anchor having a mass allowing it to stay under the water surface.

Abstract: A belt table is provided. The belt table includes a cradle, and a movement driver set configured to drive the cradle to move, wherein the cradle and the movement driver set are configured to cause at least one of low attenuation and nearly zero attenuation to X-rays along a scan plane.

Abstract: A computer tomography device for non-medical applications, in particular a non-medical material or workpiece test, having a sensor carrier unit comprising a plurality of individual pixels provided adjacent to one another, said sensor carrier unit being designed to detect invasive radiation of an x-ray radiation source by a detector surface. The detector surface extends in at least one plane in the shape of an arc, wherein the sensor carrier unit has a contour that is arced at least in sections and/or comprises a plurality of individual detector elements (20) arranged in a faceted shape, each comprising a flat detector surface (3), disposed adjacent to and/or adjoining one another along an arced line (6), and an object carrier, designed as a rotary plate (30), for a workpiece to be subjected to tomographic inspection is provided in a beam path between the x-ray radiation source (1) and the sensor carrier unit.

Abstract: Disclosed is radiation tomography apparatus for smaller animals including a radiation source for emitting radiation; a radiation detecting device for detecting radiation; a rotary device for rotating the radiation source; and a holder provided between the radiation source and the radiation detecting device that has two or more spaces for placing a subject. The holder includes space discriminating members for each of the spaces. Each of the space discriminating members has a unique sectional shape when cut along a plane where an imaginary circle exists. Here, the imaginary circle is a locus of rotation of the radiation source.

Abstract: A multi-modality cancer screening and diagnosis system is provided that allows cancer screening and diagnosis of a patient using at least two different and sequential three-dimensional imaging techniques without patient repositioning. The system includes a first three-dimensional image acquisition device, a second three-dimensional image acquisition device having a probe with a transmitter mounted thereon, and a positioning paddle for positioning and immobilizing an object to be imaged during the cancer screening and diagnosis procedure. The positioning paddle is designed to facilitate visualization of the breast in both three-dimensional modalities without movement of the patient, and preferably is designed to position the patient with comfort during a diagnosis procedure which uses both imaging modalities.

Abstract: Provided is a diagnostic method and system capable of applying tomography to industrial long cylindrical process systems, such as a pipe line, which are difficult to diagnose using existing medical or industrial computed tomography (CT) scanners. Existing industrial X-ray CT scanners cannot be used for such a pipe that is attached to the process system and thus cannot be placed on the turntable, and existing image diagnostic apparatuses of a fan beam type, a collimated beam type, etc. having a stereotyped structure are next to impossible to move and use for undetachable process systems and their peripheral devices. To solve these problems, there is provided a gamma-ray tomography scanning system that is capable of being directly attached to a pipe in operation and measuring a cross section of the pipe.

Abstract: A method and system of determining a radial distance (R), an angular position (?), and an axial position (Z) of a marker identified in a sequence of projection images. A marker three-dimensional localization module (executable by the electronic processing unit) obtains a sequence of images based on image data generated by a scanner. Each image in the sequence of images represents an angle of rotation by the scanner and includes a marker point position. The behavior of first values and second values of the marker point positions are analyzed through the sequence of images to determine the radial distance of the marker, the angular position of the marker, and the axial position of the marker allowing for rapidly detecting and localizing external markers placed on a patient in projection images.

Abstract: A multi-mode system and method for imaging a patient's breast with x-rays in one or more of a CT mode, a narrow-angle tomosynthesis mode, a wide angle tomosynthesis mode, and a mammography mode, using essentially the same equipment, on one or more compressions or immobilizations of the breast.

Abstract: A multi-modality imaging system includes a first imaging system and a second imaging system that is different from the first imaging system. The first and second imaging systems are slidingly mounted on at least one rail. A table has a movable pallet configured to extend through a scan range of the first imaging system while the first and second imaging systems are positioned proximate each other at one position along the at least one rail. The pallet is further configured to extend through a scan range of the second imaging system while the first and second imaging systems are positioned proximate each other at a different position along the at least one rail. At least a portion of the scan ranges overlap each other.

Abstract: Apparatus for imaging an object, the apparatus comprising: an imaging device configured to image the object while the object is supported on a support, the support comprising a base for positioning on a surface, wherein the object and the support are stationary relative to the surface, and further wherein the imaging device is adapted to move relative to the surface, and hence relative to the object and to the support, during imaging; the imaging device comprising a housing having a bottom notch sized to accommodate the base of the support, whereby to allow the base of the support to extend into the housing during imaging.

Abstract: An imaging-condition setting part that sets a plurality of CT-image imaging conditions, including an electric amount for driving and controlling an X-ray tube during CT imaging, based on a scout image that has been imaged by irradiating X-rays from the X-ray tube, to a subject on a top board, that has been stopped at least one of said first position and said second position; and a calculating part that judges whether there are any detection elements that are expected to detect an X-ray dosage exceeding a predetermined value and outputs the judgment result when the X-ray tube is stopped at least one of the first position and the second position relative to the subject on the top board and X-rays are irradiated from the X-ray tube through driving and controlling based on the electric amount.

Abstract: An information processing apparatus to register an ultrasonic image and a three-dimensional medical image at high speed is disclosed. The information processing apparatus includes: a medical image acquisition unit which acquires a medical image captured by a medical imaging apparatus in which an imaging unit captures an image of an object at a non-contact position with respect to the object, an ultrasonic image acquisition unit which acquires an ultrasonic image captured by an ultrasonic imaging apparatus in which an ultrasonic probe captures an image of the object at a position in contact with a surface of the object, and a coordinate transformation unit which transforms coordinates of the medical image or ultrasonic image with reference to the contact position on the ultrasonic image, so that image information of the medical image matches that of the ultrasonic image.

Abstract: The invention comprises an X-ray tomography method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. In various embodiments, 3-D images are generated from a series of 2-D X-rays images; the X-ray source and detector are stationary while the patient rotates; the 2-D X-ray images are generated using an X-ray source proximate a charged particle beam in a charged particle cancer therapy system; and the X-ray tomography system uses an electron source having a geometry that enhances an electron source lifetime, where the electron source is used in generation of X-rays. The X-ray tomography system is optionally used in conjunction with systems used to both move and constrain movement of the patient, such as semi-vertical, sitting, or laying positioning systems. The X-ray images are optionally used in control of a charged particle cancer therapy system.

Abstract: A system and method for monitoring a guided intervention device includes determining (306) a position of an intervention device inside a subject using a radiation source to image the intervention device. A circular acquisition is performed (304) to update the position of the intervention device wherein the acquisition includes skipping view angles by turning off a radiation source at given angular positions. A model of the intervention device is generated (308) to provide a virtual image of the intervention device against a background of the subject. Movement of the intervention device is modeled (310) during the skipped view angles to provide substantially real-time tracking of the intervention device.

Abstract: A substantially X-ray transparent animal restraint enclosure having an open base structure and a lid which is configured to substantially close the base structure. The lid is movable from a closed position to an open position to permit the introduction of an animal into the base structure. The base structure has an open-ended slot which is partially obstructed when the lid is closed. The base structure also has an aperture which is not obstructed by the lid. A veterinary CT scan apparatus includes a CT scan gantry or sensor ring, a CT scan table, and a substantially X-ray transparent animal restraint enclosure. A method of performing a CT scan on an animal in a CT scan apparatus having a patient target position is achieved by placing the animal in substantially X-ray transparent enclosure; placing the enclosure in the patient target position for the CT scan; and conducting the CT scan.

Abstract: Methods, computer-readable mediums, and systems are provided. In one embodiment, a method detects at least one faulty X-ray detector signal and adjusts a conveyor speed and/or a gantry speed in accordance with the detection to increase information for image reconstruction. In another embodiment, a method detects a high volume time. Upon detection of the high volume time conveyor speed and gantry speed is increased during the high volume time. After expiration of the high volume time, the conveyor speed and gantry speed is reduced. In yet other embodiments, the computer-readable mediums and systems are also provided which perform similar features recited by the above methods.

Abstract: An image diagnosis apparatus and method may emit radiation to a target object, may compress the target object in response to the emitted radiation, and may collect a plurality of images with respect to the compressed target object in response to the emitted radiation. An elastic image with respect to the target object may be generated based on the plurality of collected images.

Abstract: An improved method of segmenting medical images includes aspects of live wire and active shape models to determine the most likely segmentation given a shape distribution that satisfies boundary location constrains on an item of interest. The method includes a supervised learning portion to train and learn new types of shape instances and a segmentation portion to use the learned model to segment new target images containing instances of the shape. The segmentation portion includes an automated search for an appropriate shape and deformation of the shape to establish a best oriented boundary for the object of interest on a medical image.

Abstract: It is described a method for acquiring a series of two-dimensional X-ray attenuation data of an object under examination (310) by means of an X-ray imaging apparatus (100) having a rotatable scanning unit (301). In order to increase the angular range of the scanning unit (301), when a region of interest (HOa) located not in the center of the object (310) is examined the object under examination (310) is shifted such that the region of interest is temporarily positioned outside the center of rotation. By coupling the rotational movement of the scanning unit (301) with the translative movement of the object (310) in a synchronized manner a collision between the scanning unit (301) and the object (310) can be effectively avoided. By employing an automated motorized object table (312) a precise pre-determined movement of the object (310) can be achieved during the data acquisition.

Abstract: Methods, computer-readable mediums, and systems are provided. In one embodiment, a method detects at least one faulty X-ray detector signal and adjusts a conveyor speed and/or a gantry speed in accordance with the detection to increase information for image reconstruction. In another embodiment, a method detects a high volume time. Upon detection of the high volume time conveyor speed and gantry speed is increased during the high volume time. After expiration of the high volume time, the conveyor speed and gantry speed is reduced. In yet other embodiments, the computer-readable mediums and systems are also provided which perform similar features recited by the above methods.

Abstract: This document discusses, among other things, fiducial marker devices, tools, and methods. One example illustrates a combined computed tomography (CT) imageable fiducial locator head, an integral bone screw, and an integral divot for receiving a positioning wand of an image-guided surgical (IGS) workstation. A further example includes a fluid/gel-absorbing coating or cover into which a magnetic resonance (MR) imageable fluid is introduced, thereby permitting both CT and MR imaging. Protective caps and collars may be used to protect the fiducial marker from mechanical impact and/or to guide the fiducial marker during affixation. A bull's-eye or other template is used to select a center of a substantially spherical fiducial marker head on an image, such as for use during patient registration.

Abstract: The invention relates to an adaptive optical device for the reflection of impinging radiation, the adaptive optical device comprising at least one actuator and at least one partially reflective volume. The at least one partially reflective volume has a first surface that is oriented to the impinging radiation. The at least one partially reflective volume is at least partially deformable by said at least one actuator such that the impinging radiation is reflected at the at least one partially reflective volume substantially in accordance with Bragg's law. Further, the invention relates to a method and apparatus for controlling the shape of an adaptive optical device.

Abstract: A method for scanning a stream of objects includes continuously acquiring raw data of the stream of objects using an X-ray system, that includes a detector. The raw data of the stream of objects is rebinned into at least one two-dimensional sinogram. A leading edge and a trailing edge of a first object of the stream of objects is determined from the at least one two-dimensional sinogram and a three-dimensional image of the first object is reconstructed using the at least one two-dimensional sinogram.

Abstract: An apparatus for cone beam computed tomography of lower leg portions of a patient has a radiation source and a source transport actuable to move the source along an arcuate source path within a housing, from one side of a circumferential gap to the other and has a radius R2 about a center. A housing is provided for placement of the patient's foot. A digital radiation detector has a detector transport actuable to move the detector along an arcuate detector path within the housing, the detector path having a radius R1 about the center and concentric with the source path, wherein R1 is less than R2, and wherein the detector path extends from one side of the pedestal indent to the other. A gap closure apparatus is movable to a position that continues the detector path across the circumferential gap and encloses the detector path.

Abstract: A laminography system includes a first linear guide defining a z-direction of a Cartesian coordinate system and an imaging radiation source fixable to the first linear guide and movable along the first linear guide. The radiation source is configured to form a cone of rays including a central ray defining a y-axis of the Cartesian coordinate system. A detector is disposed in a position so as to be struck at a center thereof by the central ray of the radiation source substantially in an x-direction of the Cartesian coordinate system. The system also includes a first rotation device configured to rotate the detector about a first axis of rotation that is parallel to a z-axis of the Cartesian coordinate system and that passes through an intersection of the central array and the detector. The detector is fixable to a second linear guide and is movable on the second linear guide along the first axis of rotation. An object slide is disposed between the radiation source and the detector.

Abstract: There is provided an inverter circuit which allows a single drive circuit to carry out both the tracking control for tracking resonance frequency fluctuations caused by load fluctuations, and the power control, thereby reducing switching loss. An inverter drive circuit part obtains a phase difference between output current and output voltage directed to a load circuit which is connected to a midpoint of two arm circuits of the inverter circuit, and controls a phase of the driving signal directed to each of the semiconductor switches in such a manner that the phase difference becomes zero or a predetermined value. This allows an operating frequency of the inverter circuit part to track a resonance frequency of the load circuit. In addition, this enables a current phase to be delayed with respect to a voltage phase, thereby achieving ZCS.

Abstract: Certain embodiments of the present invention provide for a system and method for performing medical image registration. Pixel and voxel correspondences are formulated as energy minimization problems and are optimized with graph cuts. The method includes processing a first set of data and a second set of data using a graph cuts algorithm to determine a minimum value of an energy function. The energy function has a data term and a smoothness term. The method also includes performing registration for the first set of data and the second set of data based on the data term and the smoothness term of the energy function. The system includes a computer system for performing medical image registration. The computer system comprises a processor and a memory in communication with the processor. The memory includes program code executable by the processor for executing a medical image registration algorithm.

Abstract: A dental complex imaging system includes a base and chair on the base for allowing a patient sit; a base-mounted pole adjacent to the chair; a support part extending toward the patient; an expanding and contracting part pivotally coupled to the support part; a radiation generator that moves with the part for emitting radiation for an imaging mode selected from cephalography, panoramic radiography, and CT scanning; a detector disposed on the other side of the part and opposed to the generator; and a controller for reading imaging information, wherein the generator is disposed to slide to adjust a distance between itself and the detector according to the imaging mode while the patient sits on the chair.

Abstract: The system provides new ways to ensure that a patient is positioned correctly, e.g. identically with an original planning scan if the patient is to undergo radiotherapy. The system also detects if there is patient movement during a scan. It is an aspect of the present method to immobilize the patient based on a specific site of interest by using positioning sensors that record patient physical orientation based on measurements of patient weight distribution and pressure distribution among other features.

Abstract: According to one embodiment, a CT scanning tabletop includes a tabletop body and an aid. The tabletop body has a placement surface where a subject is to be placed, and is formed in a manner that an X-ray transmission loss by one end portion in a longitudinal direction thereof is smaller than an X-ray transmission loss by a portion of the tabletop body other than the one end portion. The aid is provided on the one end portion in a manner that the aid is attachable and detachable by moving in advancing and retreating directions toward and away from the placement surface, the aid is configured to hold a part of the subject.

Abstract: The present invention provides a CT scanning system having a patient table and a gantry comprising an x-ray source configured to irradiate an x-ray beam while at least partly rotating about an object being arranged on the patient table in order to be scanned. The gantry further comprises an x-ray detector configured to receive x-rays penetrating through the object to be scanned and further configured to provide output signals representative of the received x-rays. The CT scanning system further comprises an x-ray cabinet comprising x-ray shielding material. It is preferred that the x-ray cabinet is fully surrounding the gantry. The x-ray cabinet may at least partly surround the patient table. However, it is preferred that the x-ray cabinet is fully surrounding the patient table. Thus, the patient table may be configured to be fully inserted in the x-ray cabinet, whereby the x-ray cabinet is fully surrounding the patient table.

Abstract: An X-ray CT apparatus has a plurality of projectors, a reception unit, a setting unit, a supporter, and a scan execution unit. The projectors each have a light source on a circumference having a same radius as a rotation radius of an X-ray focal point of an X-ray irradiator and each irradiate laser light having an irradiation range simulating an irradiation range of the X-ray. The reception unit receives an instruction for three-dimensionally sliding the projectors as one body. The setting unit sets a position of the projectors. The supporter supports a table and three-dimensionally slides the table by a difference between a position of a center of the circumference of the set projectors and a position of a rotation center of the X-ray focal point of the X-ray irradiator. The scan execution unit executes a scan with the table after the sliding as a scan position.

Abstract: A method and system for determining the three-dimensional location and orientation of a medical device distal end using a single-plane imaging system, using a computational model of the medical device and a transfer function for the medical device describing local device shape and orientation in response to user or computer determined inputs. The method allows guidance of an interventional medical system to a set of target points within the patient using a single-projection imaging system.

Abstract: A method and system for regression-based object detection in medical images is disclosed. A regression function for predicting a location of an object in a medical image based on an image patch is trained using image-based boosting ridge regression (IBRR). The trained regression function is used to determine a difference vector based on an image patch of a medical image. The difference vector represents the difference between the location of the image patch and the location of a target object. The location of the target object in the medical image is predicted based on the difference vector determined by the regression function.

Abstract: Apparatus and methods for computed tomography (CT) imaging are provided. One method includes providing a patient table to move along an examination axis of a rotating gantry of a CT imaging system having at least one imaging detector. The imaging detector includes a pixelated detector array. The method further includes configuring the CT imaging system to perform an overlapping helical CT scan by controlling a speed of the moving patient table along the examination axis through a field of view (FOV) of the at least one imaging detector of the rotating gantry.

Abstract: In an X-ray computer tomograph and a method for examining a component by means of X-ray computer tomography, the component carries out a movement relative to a radiation source detector unit in at least two degrees of freedom of movement, so at least one trajectory can be produced which spans a three-dimensional space. Since the X-radiation has a three-dimensional radiation geometry, volume data can be rapidly obtained and precisely reconstructed to form a three-dimensional X-ray image. The component can be geometrically measured by means of a geometry detection unit.

Abstract: Embodiment of the invention describes a system and a method for positioning an object from a first pose to a second pose. The method displays concurrently a first image and a second image on a display device, wherein the first image and the second image represent respectively the first pose and the second pose of the object. The method updates, in response to a change in a pose of the display device, the second image such that an alignment of the first image and the second image on the display device depends on the change in the pose of the display device, and positions the object from the first pose to the second pose based on the change in the pose of the display device.