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X-ray Or Gamma Ray Systems Or Devices > Specific Application > Computerized Tomography

Computerized Tomography

Computerized Tomography patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

07/31/14 - 20140211908 - Method and apparatus for data conversion in an unequal gamma angle ct system
A method and apparatus for data conversion in an unequal γ angle CT system. The method for imaging in a CT system having a flat module detector array includes obtaining fan beam projection data of an object from a CT scan, obtaining a geometric structure parameter of the flat module...

07/31/14 - 20140211909 - Photon counting type x-ray computed tomography apparatus and data transfer method for the same
A photon counting type X-ray computed tomography apparatus includes an X-ray tube, a detector, a raw data generating section, an information compression section, and a data transmission section. The X-ray tube is configured to irradiate an X-ray. The detector is configured to count photons derived from the irradiated X-ray. The...

07/17/14 - 20140198892 - X-ray ct device, and method
If the calculation accuracy of a CT image of an entire subject is low, the accuracy of local-region measurement projection data deteriorates and local-region CT images cannot be corrected so as to have good accuracy. In the present invention, a background region CT image is created on the basis of...

07/10/14 - 20140192950 - Computed tomography system with dynamic bowtie filter
A CT apparatus for scanning an object is provided. An x-ray source is provided, wherein the x-ray source provides a collimated x-ray beam with a cross-section with a length and thickness. A plurality of wedges is provided between the source and object. An actuator is connected to the wedges for...

07/03/14 - 20140185738 - X-ray imaging apparatus and x-ray image processing method
Disclosed herein is an X-ray imaging apparatus. The X-ray imaging apparatus includes at least one X-ray emitter which is configured to irradiate an object with X-rays at a plurality of X-ray emission positions, an X-ray detector which is configured to detect X-rays which are emitted by the X-ray emitter and...

07/03/14 - 20140185739 - Cathode control multi-cathode distributed x-ray apparatus and ct device having said apparatus
This invention relates to an apparatus producing distributed X-ray, and in particular to a cathode control multi-cathode distributed X-ray apparatus, which produces X-ray that changes focal position in a predetermined order by arranging multiple independent hot cathodes and controlling cathodes in an X-ray source device, and a CT device having...

07/03/14 - 20140185740 - Automatic scanning and positioning apparatus for a scout image
An automatic scanning and positioning apparatus for a scout image, comprising: a receiving means, for receiving a scout image of a subject obtained through scout scanning; a checking and determining means, for automatically checking at least one position in the scout image according to a plurality of information contained in...

06/26/14 - 20140177781 - Collimator grid and an associated method of fabrication
A collimator grid and a method of fabricating the collimator grid are disclosed. The method includes molding a plurality of plates, each plate includes a plurality of grooves in a first surface, a plurality of fin tips in a second surface disposed opposite to the first surface, plurality of ribs...

06/26/14 - 20140177782 - Dynamic collimation
A method includes performing a three dimensional volume scan of a region of interest located in a portion of an object or subject in an examination region, including dynamically collimating a radiation beam used to perform the scan so that a geometry and/or location of the radiation beam tracks, during...

06/26/14 - 20140177783 - Terbium based detector scintillator
An imaging system (100) includes a radiation source (110) and a radiation sensitive detector array (116), which includes a scintillator array (118) and a photosensor array (120) optically coupled to the scintillator array, wherein the scintillator array includes Gd2O2S:Pr,Tb,Ce. A method includes detecting radiation with a radiation sensitive detector array...

06/05/14 - 20140153689 - Cooler, x-ray computed tomography apparatus, and maintenance method of x-ray computed tomography apparatus
According to one embodiment, a cooler includes a casing, a radiator unit which is installed in a circulation path, where a coolant is circulated, and is configured to externally discharge heat of the coolant, and a fan unit housed in the casing to generate an air flow passing through the...

05/08/14 - 20140126685 - Angiographic examination method
An angiographic examination method for examining an organ, vascular system or other regions of a patient is proposed. Projection images are acquired by an angiography system having an X-ray tube assembly and an X-ray image detector applied to ends of a C-arm, a patient table having a tabletop for carrying...

05/01/14 - 20140119494 - Medical imaging apparatus and method of providing operational information of gantry included in the same
A medical imaging apparatus and/or method includes a gantry, a control unit, and a display unit. The gantry has a source for generating an X-ray and a detector for detecting the X-ray passing through an object. The gantry allows the source and the detector to rotate around the object. The...

05/01/14 - 20140119495 - Radiation imaging apparatus and method for reconstructing image
Disclosed are an image reconstruction method and a radiation imaging apparatus using the same. The radiation imaging apparatus includes a radiation emitter which emits multiple energy spectra of radiation toward an object, a radiation detector which detects multiple energy spectra of radiation passing through the object and thereby outputs measurement...

05/01/14 - 20140119496 - Compact microbeam radiation therapy systems and methods for cancer treatment and research
The present subject matter relates to compact, non-synchrotron microbeam radiation therapy (MRT) systems and methods for cancer research and treatment based on a carbon nanotube distributed x-ray source array technology. The systems and methods can deliver microscopically discrete x-ray radiation at peak dose rate of 10 Gy per second or...

04/24/14 - 20140112430 - Apparatus and method for measuring medical information providing three-dimensional stereoscopic image
An apparatus and method for providing a 3D stereoscopic image is provided. The apparatus may provide a 3D stereoscopic image generated based on two projection images imaged at different positions....

04/10/14 - 20140098929 - Non-contact rotary power transfer system
A power delivery system includes a rotary transformer having a primary winding and a secondary winding and configured to transfer power between stationary coupling elements on a stationary side and rotational coupling elements on a rotational side. The rotational coupling elements share a central axis with the stationary coupling elements,...

04/10/14 - 20140098930 - Extremity imaging apparatus for cone beam computed tomography
An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of a detector...

04/03/14 - 20140093029 - Radiographic image generation device and method
Radiographic images for different imaging directions taken by applying radiation to a subject from the different imaging directions are obtained, and a plurality of first tomographic images having a first slice thickness are generated based on the obtained plurality of radiographic images and a plurality of second tomographic images having...

04/03/14 - 20140093030 - X-ray ct system, image display device, and image display method
Techniques are provided that enable displaying of medical images that depict cyclic motions in the subject. An X-ray CT system scans, with X-rays, the subject whose targeted region is experiencing a cyclic motion and acquires detection data. This X-ray CT system comprises a reconstruction processor, a moving image creator, and...

03/27/14 - 20140086380 - Dynamic beam aperature control to reduce radiation dose using collimator
A computed tomography (CT) apparatus including: an X-ray source configured to direct X-rays toward a detector assembly; a dynamic beam collimator fixed in space and configured to dynamically limit an X-ray beam directed toward an object of interest, the dynamic beam collimator including a plurality of leaflets to block a...

03/27/14 - 20140086381 - Computed tomography (ct) systems and methods analyzing rock property changes resulting from a treatment
The effect of a treatment on a rock sample or sub-sample extracted from the rock sample can be analyzed through computed tomography (CT). To determine the effect of a treatment of a rock sample or the sub-sample, pre-treatment and post-treatment CT images of the rock sample or the sub-sample are...

03/20/14 - 20140079178 - X-ray ct apparatus
An X-ray CT apparatus, which is capable of quickly acquiring information for determining whether further CT imaging is required, is provided. The X-ray CT apparatus according to the embodiment comprises a reconstruction processor, a setting unit, and a controller. The reconstruction processor carries out first reconstruction processing to be carried...

03/20/14 - 20140079179 - X-ray diaphragm mechanism and x-ray ct apparatus
The present invention includes: X-ray shielding materials; X-ray shielding material mounting plates to which the X-ray shielding portions are fixed; a driven side link and a driving side link that connect the two X-ray shielding material mounting plates to each other so that the X-ray shielding portions face each other...

03/13/14 - 20140072094 - Method, arrangement, and computer program product for efficient production of tomographic images
A method is provided for constructing a tomographic reconstruction through the application of statistical inversion. Unknowns associated with points of a reconstruction grid are represented with components of a vector-valued variable. A next version of the vector-valued variable is repeatedly created by drawing for each component a value from a...

03/13/14 - 20140072095 - Confocal xrf-ct system for mining analysis
A correlative evaluation of a sample using an x-ray computed tomography (CT) x-ray fluorescence (XRF) system and the method for analyzing a sample using x-ray CT and XRF is disclosed. The CT/XRF system includes an x-ray CT subsystem for acquisition of volume information and a confocal XRF subsystem for acquisition...

03/06/14 - 20140064440 - X-ray ct apparatus
Small-sized X-ray CT apparatus obtaining a cross-section or 3D image of a sample, using X-rays. Included: an X-ray generating apparatus irradiating X-rays on the sample; an X-ray detecting device detecting X-rays passing through the sample; and a device processing a detection signal from the X-ray detecting device, to re-structure the...

02/27/14 - 20140056401 - Computed tomography apparatus
A computed tomography apparatus capable of confirming the positional relationship of an imaging region and a field of view in a real space at the time of determining the position of the imaging region. The computed tomography apparatus according to an embodiment comprises a couch that moves a top board...

02/20/14 - 20140050295 - Method and x-ray device to determine a three-dimensional target image data set
In a method and x-ray device to determine a three-dimensional target image data set showing at least one partial region of interest of an acquisition region, wherein the image data of the three-dimensional target image data set are reconstructed from two-dimensional projection images acquired from various projection directions, first projection...

02/06/14 - 20140037044 - Method and apparatus for cone beam breast ct image-based computer-aided detection and diagnosis
Cone Beam Breast CT (CBBCT) is a three-dimensional breast imaging modality with high soft tissue contrast, high spatial resolution and no tissue overlap. CBBCT-based computer aided diagnosis (CBBCT-CAD) technology is a clinically useful tool for breast cancer detection and diagnosis that will help radiologists to make more efficient and accurate...

01/30/14 - 20140029717 - X-ray computed tomography apparatus and reconstruction processing method
According to one embodiment, an X-ray computed tomography apparatus includes an X-ray generation unit, an X-ray detection unit, a unit to reconstruct volume data for a reconstruction region having an operator-designated diameter based on projection data, a unit to generate interpolation data based on measurement data to complete projection data...

01/23/14 - 20140023175 - Ct image creation apparatus for charged particle beam therapy
A CT image creation apparatus for charged particle beam therapy includes: an image acquisition unit that acquires X-ray image data, which is imaged every predetermined set rotation angle, while rotating a rotating gantry to which an X-ray tube that emits X-rays and an X-ray detector that detects X-rays emitted from...

01/16/14 - 20140016737 - Tomosynthesis with shifting focal spot and oscillating collimator blades
In a tomosynthesis system a static focal spot is moved in a direction opposite to and generally synchronized with the directional movement of an x-ray source and X-ray collimator blades are moved during each exposure in synchronization with the shifting of the static focal spot. The synchronized movement of the...

01/09/14 - 20140010342 - Systems and methods for imaging and detecting sheet-like material
A method for imaging an object is provided. The method includes acquiring image data of the object, wherein the image data includes a plurality of original voxels, and identifying, using a processing device, a first subset of voxels from the acquired image data. The method also includes performing a principal...

01/02/14 - 20140003572 - Method and system for x-ray ct imaging
Methods and systems for performing x-ray computerized tomographic (CT) reconstruction of imaging data on a rotatable portion of the system, such as a ring-shaped rotor. The rotor may include an x-ray source, and x-ray detector system and a processor, coupled to the detector system, for performing tomographic reconstruction of imaging...

12/26/13 - 20130343507 - Detector system for imaging device
A detector system for an imaging system includes an airflow cooling system. The detector system includes a detector chassis, a duct extending along the length of the chassis, and a manifold that couples the duct to the interior of the chassis. A vacuum source, such as a suction fan, is...

12/26/13 - 20130343508 - Image producing method, image producing apparatus and radiation tomographic imaging apparatus, and program
An image producing method is provided. The method includes acquiring regular-interval parallel-beam projection data whose intervals in a channel direction are the same and parallel to each other in a plurality of view directions by applying interpolation processing in a view direction, rearrangement processing, and interpolation processing in the channel...

12/26/13 - 20130343509 - Multi-plane x-ray imaging system and method
Imaging systems having multiple radiation sources, such as x-ray sources, and multiple radiation detectors, such as flat-panel x-ray detectors and/or diagnostic-quality CT detectors, housed within an imaging gantry, for obtaining simultaneous images of an object positioned within a bore of the gantry in multiple imaging planes....

11/21/13 - 20130308744 - X-ray computed tomography apparatus, medical image processing apparatus, x-ray computed tomography method, and medical image processing method
An X-ray computed tomography apparatus includes, an X-ray source which irradiates an object with X-rays spreading in a slice direction, an X-ray detector including a plurality of X-ray detection elements which are juxtaposed in the slice direction and detect X-rays transmitted through the object, a reconstruction unit which includes a...

11/07/13 - 20130294568 - Method of reconstructing image and apparatus and tomography apparatus for performing the same
A method of reconstructing a tomography image of an object from a plurality of projection images generated by scanning the object in a plurality of projection directions includes: determining whether a truncated portion of the object exists in the plurality of projection images; reconstructing a first reconstruction image; calculating projection...

11/07/13 - 20130294569 - X-ray ct photographic apparatus
An X-ray CT photographic apparatus including: a beam shaping mechanism that regulates an irradiation range of an X-ray generated from an X-ray generator and shapes the X-ray into an X-ray cone beam; and a main body controller that changes a read region, where an X-ray detection signal is read in...

11/07/13 - 20130294570 - Truncation compensation for iterative cone-beam ct reconstruction for spect/ct systems
A multiple modality imaging system (10) includes a cone-beam computed tomography scanner (24, 30) which acquires CT projection data of a subject (22) in an examination region (18) and a nuclear imaging scanner which concurrently/subsequently acquires nuclear projection data of the subject in the examination region. A CT reconstruction processor...

10/17/13 - 20130272488 - Wireless imaging system
the scanner comprising an on-board wireless communication unit, and the guidance system comprising an on-board communication unit, the on-board wireless communication unit of the scanner and the on-board communication unit of the guidance system being configured to wirelessly transfer images created by the scanner directly to the guidance system....

10/17/13 - 20130272489 - Imaging system with rigidly mounted fiducial markers
a rigid mount which is rigidly mounted to the scanning components and extends through the opening formed in the outer cover....

10/17/13 - 20130272490 - Radio tomographic image generation method and device
A radio tomographic image generation device includes a reconstruction unit for generating a plurality of reconstructed images of different iteration numbers by a successive approximation process; a region segmentation unit for obtaining information about structure based on radiographic image signals, and segmenting, based on the information about structure, a region,...

10/03/13 - 20130259189 - X-ray computed tomography apparatus
According to one embodiment, an X-ray computed tomography apparatus includes a rotating frame rotatably supporting an X-ray tube and an X-ray detector detecting X-rays transmitted through an object on a top, a plan storage unit storing a plan for sequentially executing scans to acquire projection data sets with rotation of...

09/26/13 - 20130251093 - X-ray ct apparatus
The X-ray CT apparatus of the embodiment includes an X-ray generating part, an X-ray detector, a reconstruction function setting part, and a reconstruction processor. The X-ray generating part generates X-rays while rotating in a circuital orbit around the subject. The X-ray detector has a plurality of channels and detects the...

09/26/13 - 20130251094 - Multislice ct apparatus and method for data preprocessing
A multislice CT apparatus includes a setting unit, a correcting unit, a filtering unit and a reconstructing unit. The setting unit sets a weighting coefficient in such a way that data on a middle column is weighted high while data on columns on both sides of the middle column is...

09/26/13 - 20130251095 - System for measuring sample pore using computed tomography and standard sample and method thereof
The present invention relates to a system for measuring a sample pore using a computed tomography (CT) and a standard sample and to a method thereof, more particularly to a system for measuring a sample pore using a computed tomography (CT) and a standard sample and to a method thereof,...

09/12/13 - 20130235969 - Patient alignment in mri guided radiation therapy
Apparatus for radiation therapy combines a patient table, an MRI and a radiation treatment apparatus mounted in a common treatment room with the MR magnet movable through a radiation shielded door to an imaging position. An initial MR image and an initial X-ray image is used to generate an RT...

09/12/13 - 20130235970 - Image processing device of a computer tomography system
An image processing device of a computer tomography system includes an interface and a calibration data determiner. The interface is implemented to receive a first set of X-ray recordings of an object to be examined from first discrete recording angles and to receive a second set of X-ray recordings of...