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| Number | Title | Issue Date |
| 8189735 | System and method for reconstruction of X-ray images Systems and method for reconstruction of x-ray images are provided. One method includes acquiring a plurality of image views using an x-ray imaging system, the plurality of image views defining a limited tomographic dataset. The method also includes performing three... | 05/29/2012 |
| 8189734 | Scanning and reconstruction method of a CT system and CT system A method is disclosed for scanning an examination object with a CT system and the generation of at least one computed tomographic sectional view from data obtained from the scanning and a CT system. In at least one embodiment, data used for generating the at least o... | 05/29/2012 |
| 8184765 | Radiography apparatus A radiation source is moved, relative to a detection means, in a movement range that is calculated based on a desired slice angle with respect to a predetermined base point on a base plane that defines a range of obtaining a slice image of a subject. The radiation s... | 05/22/2012 |
| 8160199 | System for 3-dimensional medical image data acquisition A method and system provides medical image processing and 3-dimensional image construction of an examination subject. A user is enabled to selectively orient an x-ray imaging system having a variable 3-dimensional acquisition axis relative to an examination subject ... | 04/17/2012 |
| 8155262 | Methods, systems, and computer program products for multiplexing computed tomography Methods, systems, and computer program products for multiplexing computed tomography are disclosed. According to one aspect, the subject matter described herein can include illuminating an object with a plurality of x-ray beams from a plurality of viewing angles, wh... | 04/10/2012 |
| 8155263 | Apparatus and method for voltage modulation in X-ray computed tomography The present invention discloses a computed tomography imager comprising: an x-ray source disposed in a gantry; a detector assembly for receiving an x-ray emission from an x-ray source, the x-ray source and the detector assembly rotatable about an imaging target; an ... | 04/10/2012 |
| 8130897 | X-ray CT system having a patient-surrounding, rotatable anode with an oppositely rotatable x-ray focus An x-ray computed tomography apparatus has one anode ring in a vacuum housing surrounding an examination volume, wherein a focus of an x-ray source revolves on the anode ring to expose the examination volume with an x-ray beam from different directions, and a detect... | 03/06/2012 |
| 8126108 | Method and apparatus for reorientated resconstruction of computed tomography images of planar objects A system and method for micro computed tomography (CT) reconstruction of position scan data of planar objects, such as stacked integrated circuit chips and/or PCB, that automatically determines object orientation is disclosed for a preferred orientation of the recon... | 02/28/2012 |
| 8121247 | Method for the tomographic measurement of mechanical workpieces In a method for measuring mechanical workpieces by tomography, a workpiece and radiation penetrating the workpiece are moved relative to one another step-by-step. A two-dimensional image of the workpiece is generated in an imaging plane from the interaction of the w... | 02/21/2012 |
| 8121246 | Radiographic apparatus and arithmetic processing program A radiographic apparatus according to this invention includes a back projection arithmetic processing unit which, when carrying out a back projection arithmetic process on projection data detected by a flat panel X-ray detector (FPD) 3 to reconstruct a sectio... | 02/21/2012 |
| 8085896 | Rigid computed tomography rotor and method for the manufacture thereof A rotor for a gantry of a computed tomography apparatus, as well as a manufacturing method for such a rotor. The rotor according to the invention is produced at least in segments from a composite material with polymer matrix that is reinforced with fibers. The rotor... | 12/27/2011 |
| 8077825 | Jitter-free spatial triggering of a detector of a CT system A method is disclosed for acquiring measured data by way of a computed tomography system, wherein the measured data is acquired by a detector unit disposed opposite the radiation source during a rotation of a radiation source around an examination object. In at leas... | 12/13/2011 |
| 8031828 | Method and apparatus for computed tomography In one embodiment, a first set of projection data is acquired using a first portion of a detector and a second set of projection data is acquired using a second portion of the detector. The second set of projection data is supplemented based upon the first set of pr... | 10/04/2011 |
| 8023615 | Medical X-ray CT apparatus In a medical X-ray CT apparatus, a rotary portion is rotated, and a wind is produced inside the apparatus by the rotation of the rotary portion. An expanded cover portion is forced to vibrate by the wind, and noise is produced. The expanded cover portion is provided... | 09/20/2011 |
| 8005184 | Ultra low radiation dose X-ray CT scanner A line scan cone beam CT imaging system irradiates an object with an x-ray cone beam for multiple views. A projection data set of the object is acquired at each view. Between views, the cone beam and detector array are translated along parallel lines in opposite dir... | 08/23/2011 |
| 8005183 | Computed tomography device with active adaptation of the measuring electronics A computed tomography device (CT device) includes a user interface, via which the standard settings characterizing the CT measurement can be performed. At the same time, in a method and a computed tomography device for carrying out this method, filtering behavior of... | 08/23/2011 |
| 8000433 | Method of creating images in computed tomography (CT), and CT device A method is for image reconstruction for computed tomography with a non-one-dimensional, extended detector. The rays of the detector are weighted during the backprojection as a function of their position in the beam. ... | 08/16/2011 |
| 7995702 | System and method of data interpolation in fast kVp switching dual energy CT A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, an x-ray source coupled to the gantry and configured to project x-rays through the opening, a generator configured to energize the x-ray source to a first kVp and to a s... | 08/09/2011 |
| 7991105 | Visualization of 3D images in combination with 2D projection images Original 2D rotational projections are combined preferably in an overlaying manner with corresponding viewings of a 3D reconstruction. By showing the 2D rotational projections in combination with the 3D reconstruction, 3D vessel information can be compared with the ... | 08/02/2011 |
| 7983380 | Radiation systems A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radi... | 07/19/2011 |
| 7983381 | X-ray CT system for x-ray phase contrast and/or x-ray dark field imaging An x-ray CT system for x-ray phase contrast and/or x-ray dark field imaging has a grating interferometer that has a first grating structure that has a number of band-shaped x-ray emission maxima and minima arranged in parallel, the maxima and minima exhibiting a fir... | 07/19/2011 |
| 7978810 | Imaging method for variable pitch spiral CT and a CT machine for carrying out the method An imaging method is disclosed for variable pitch spiral CT. In at least one embodiment, the method includes spiral scanning of an examination object lying on a patient table, with the aid of a beam emanating from at least one focus, and the aid of a detector arrang... | 07/12/2011 |
| 7965810 | Device and method for identifying occlusions A method of identifying one or more occlusions in vasculature located in a region of interest, includes extracting vasculature from the region of interest; identifying a subject geometry of the extracted vasculature; and comparing the subject geometry to a predeterm... | 06/21/2011 |
| 7965811 | Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system An apparatus and method for reconstructing image data for a region are described. A radiation source and multiple one-dimensional linear or two-dimensional planar area detector arrays located on opposed sides of a region angled generally along a circle centered at t... | 06/21/2011 |
| 7953202 | Medical imaging method and system with automated association of images with measurement sequences A medical imaging system is operated corresponding to a measurement sequence to acquire data of an examination subject. A control device associates a reference to the measurement sequence with the acquired data and stores the acquired data including the associated r... | 05/31/2011 |
| 7949087 | Radiography apparatus For the purpose of improving efficiency in diagnosis by performing image reconstruction for slice planes lying at the same position in a subject both in a forward direction FD and backward direction BD, an amount of positional offset ‘dz’ is acquired, which amou... | 05/24/2011 |
| 7940884 | Method and image reconstruction device for reconstructing image data A method and an image reconstruction device are disclosed for reconstructing image data on the basis of input projection data obtained via an X-ray computerized tomography system. A target convolutional kernel is selected, which, when reconstructing image data from ... | 05/10/2011 |
| 7933376 | X-ray CT system and a method for creating a scanning plan A condition on the attribute of an image for generating multi-frame image data containing a plurality of frames of images per file from image data is stored beforehand. When image data is received, multi-frame image data is generated from the received image data bas... | 04/26/2011 |
| 7933375 | Ray consistency based reconstruction of helical cone beam data A CT imaging system includes a computer that is programmed to rebin cone beam projection data into a series of two-dimensional sinograms based on an optimized ray consistency approach. The computer receives cone beam data from a detector array and is programmed to s... | 04/26/2011 |
| 7929659 | System and method for generating computed tomography images A computed tomographic imaging system is provided for generating computed tomography images. The computed tomographic system includes a processor configured to access image data encoding X-ray projections at a detector position and a plurality of X-ray source beam f... | 04/19/2011 |
| 7924968 | Imaging system for imaging a region of interest from energy-dependent projection data The invention relates to an imaging system for imaging a region of interest from energy-dependent projection data, wherein the imaging system comprises a projection data providing unit (1, 2, 3, 6, 7, 8) for providing energy-dependent first projection data of... | 04/12/2011 |
| 7920671 | X-ray CT apparatus and control method of X-ray CT apparatus An X-ray CT apparatus has a setting unit, a generating unit, a calculation unit, and a determination unit. The setting unit sets a required width of a group of X-ray detection elements in a row direction, which is relatively insusceptible to an influence of a cone a... | 04/05/2011 |
| 7920669 | Methods, apparatuses and computer readable mediums for generating images based on multi-energy computed tomography data Methods, apparatuses and computer readable mediums for generating a volume visualization image based on multi-energy computed tomography data are provided. In one method, an image is rendered based on a multi-dimensional graphical representation of the computed tomo... | 04/05/2011 |
| 7920670 | Keyhole computed tomography A method of acquiring and reconstructing a computed tomography (CT) image is provided. A first scan of the full field of view (FOV) is acquired. A second scan of a smaller target FOV is then acquired by using a collimator to narrow the X-ray beam width. The CT image... | 04/05/2011 |
| 7916827 | Method for evaluating projection datasets of an object undergoing examination The invention relates to a method for evaluating projection datasets of an object undergoing examination. Each projection dataset is assigned a swiveling angle and a recording instant. Each data element of each projection dataset defines a projection line along whic... | 03/29/2011 |
| 7916828 | Method for image construction In one embodiment, a method of tomographic image construction includes performing sparsification on initial projection data for an object with a processor to provide sparsified projection data of the object. The method also includes backprojecting the sparsified pro... | 03/29/2011 |
| 7912174 | Computed tomography system and method A computed tomography system having a fixed X-ray source [10] for producing a fan beam [20], a fixed digital detector [12] and a manipulator [14] for holding and rotating an object [16] to be inspected. Left and right projections o... | 03/22/2011 |
| 7903779 | Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system An apparatus and method for reconstructing image data for a region are described. A radiation source and multiple one-dimensional linear or two-dimensional planar area detector arrays located on opposed sides of a region angled generally along a circle centered at t... | 03/08/2011 |
| 7899149 | Non-contacting rotary joint with clock modulation A non-contacting data path for rotating data transmission of digital data from a data source to a data sink includes at least one clock modulator. A data clock frequency is specifically modulated with the clock modulator to widen a spectrum of data signals and achie... | 03/01/2011 |
| 7894567 | X-ray tomography apparatus and artifact reducing method The present invention provides an X-ray tomography apparatus that positively extracts artifacts without decreasing directional resolution thereby to reduce the artifacts. The X-ray tomography apparatus includes scan device for exposing X rays to a subject while at l... | 02/22/2011 |
