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US20090285354 |
OPTICAL COHERENCE TOMOGRAPHIC IMAGING DEVICE AND IMAGING METHOD OF OPTICAL COHERENCE TOMOGRAPHIC IMAGE
An optical tomographic imaging device and the like which suppress influence in the case of a measuring beam being truncated by an iris, and can ensure reliability of a tomographic image which is...
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US20090279660 |
X-RAY COMPUTED TOMOGRAPHIC APPARATUS
A rotor is rotatably supported in a gantry housing having a substantially sealed structure. An X-ray tube is provided in the rotor. A cooler is provided in the rotor and cools a refrigerant within...
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US20090274266 |
X-RAY DETECTOR AND X-RAY CT APPARATUS
An X-ray detector includes a single-layered semiconductor substrate having an array of detection cells which directly convert photons of X-rays into electrical signals; a first data collecting...
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US20090274265 |
CONTINUOUS COMPUTER TOMOGRAPHY PERFORMING SUPER-SHORT-SCANS AND STRONGER WEIGHTING OF MOST RECENT DATA
A computer tomography apparatus and method, a computer-readable medium and a program element are provided for examining a region of interest (ROI) of an object or patient in real-time. When only a...
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US20090268863 |
RECONSTRUCTION METHOD FOR HELICAL CONE-BEAM CT
The invention relates to a method and a system for the reconstruction of an object function (f(x)) based on projections acquired during the motion of a radiation source on a helical trajectory ( 17...
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US20090268862 |
ENERGY DISTRIBUTION RECONSTRUCTION IN CT
The reconstruction of the energy distribution at a detector with a detector element that consists of many small pixels, which count the number of photons above certain thresholds, is performed with...
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US20090262886 |
ROTATIONAL X-RAY SCAN PLANNING SYSTEM
In three-dimensional X-ray imaging, with C-arm systems, scan setup has to be performed manually under fluoroscopic control. According to an exemplary embodiment of the present invention, a scan...
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US20090257553 |
X-RAY CT APPARATUS AND IMAGE NOISE REDUCTION METHOD
An X-ray CT apparatus that can obtain a tomogram having high spatial resolution without increasing the effect of system noise and dosage is provided. The X-ray CT apparatus has an X-ray source for...
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US20090257552 |
Computed Tomography Systems and Related Methods Involving Multi-Target Inspection
Computed tomography (CT) systems and related methods involving multi-target inspection are provided are provided. In this regard, a representative method includes: simultaneously directing X-rays...
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US20090245457 |
IMAGE GENERATION METHOD AND DEVICE FOR EMISSION COMPUTED TOMOGRAPHY
A first γ-ray generating in a body, caused by a PET pharmaceutical, and a second γ-ray emitted from a γ-ray source and transmitting through the body are detected with a radiation detector. The...
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US20090238331 |
X-ray Imaging System for Performing Automated Multi-step Imaging of Patient Anatomy
An X-ray imaging system performs automated multi-step imaging of patient anatomy and includes an X-ray imaging device. The X-ray imaging device supports automated movement of an X-ray detector and...
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US20090238330 |
PULSED X-RAY FOR CONTINUOUS DETECTOR CORRECTION
A radiographic imaging apparatus ( 10 ) comprises a primary radiation source ( 14 ) which projects a beam of radiation into an examination region ( 16 ). A detector ( 18 ) converts detected...
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US20090238327 |
FLY-BY SCANNING
A computed tomography system ( 100 ) includes an x-ray source ( 112 ) that rotates about an examination region ( 108 ) and translates along a longitudinal axis ( 120 ). The x-ray source ( 112 )...
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US20090232271 |
RADIATION CT APPARATUS AND RADIATION CT METHOD
A region of interest information obtaining section obtains the size and position of a region of interest within a radiation image of a subject. A position calculating section calculates positions...
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US20090225932 |
Cone-beam CT imaging scheme
A general imaging scheme is proposed for applications of CBCT. The approach provides a superior CBCT image quality by effective scatter correction and noise reduction. Specifically, in its...
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US20090220043 |
X-RAY CT APPARATUS
To provide an X-ray CT apparatus capable of acquiring information on energy of X-rays generated by an X-ray generating apparatus, an X-ray CT apparatus ( 100 ) comprises: an X-ray generating...
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US20090213985 |
SYSTEM AND METHOD FOR TOMOGRAPHIC RECONSTRUCTION UTILIZING CIRCULAR TRAJECTORY AND SCANOGRAM TO REDUCE ARTIFACTS
A computed tomography apparatus and method using line data estimated from circle data and scanogram data. An image of a subject is reconstructed using the circle data and the estimated line data....
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US20090213984 |
Computed Tomography Systems and Related Methods Involving Post-Target Collimation
Computed tomography (CT) systems and related methods involving post-target collimation are provided are provided. In this regard, a representative method involving post-target collimation of X-rays...
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US20090202036 |
IMAGE RECONSTRUCTION WITH VOXEL DEPENDENT INTERPOLATION
A radiographic imaging apparatus includes a radiation detector ( 16 ) and a radiation source ( 12 ) which projects a non-parallel beam of radiation into field of view ( 14 ). A footprint of each...
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US20090190714 |
Methods, Apparatus, and Computer-Program Products for Increasing Accuracy in Cone-Beam Computed Tomography
Disclosed are methods, systems, and computer-product programs for increasing accuracy in cone-beam computed tomography.
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US20090161820 |
Method for increasing the quality of computer tomographic recording series by projection data processing and CT system having a computation unit
A method is disclosed for increasing the quality of computer tomographic recording series, to a computation unit and to an X-ray CT system. An embodiment of the method includes scanning a subject...
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US20090154640 |
FOCUS DETECTOR ARRANGEMENT AND METHOD FOR GENERATING CONTRAST X-RAY IMAGES
In a focus detector arrangement and method for an x-ray apparatus for generating projection or tomographic phase-contrast images of an examination subject, a beam of coherent x-rays is generated by...
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US20090141857 |
Method for post-processing raw detector signals, a computer program product, a computer readible medium and a radiation detection device
Methods for post-processing raw detector signals of an x-ray or gamma detector are disclosed. According to at least one embodiment of the invention, raw detector signals are filtered, an associated...
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US20090129540 |
Correcting transverse scattering in a multi-emitter CT scanner
A multi-emitter computed tomography scanner is disclosed, including a plurality of x-ray emitter/detector arrangement pairs arranged offset at an angle to one another. In at least one embodiment,...
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US20090116721 |
METHOD AND SYSTEM FOR MULTI-DETECTOR-ROW COMPUTED TOMOGRAPHY UTILIZING PROJECTION DATA UP-SAMPLING WITH SHIFT
A computed tomography apparatus and method where data is upsampled with shifting to produce upsampled data. The data is shifted up and down in the same amount in the z-direction, and then upsampled...
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US20090114827 |
Method for stabilizing the gain of a pet detection system
A method is disclosed for stabilizing the gain of a PET detection system with a cooling unit. The method includes determining the temperature of at least one component of the PET detection system,...
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US20090110141 |
COMPUTED TOMOGRAPHY WITH RESOLUTION RECOVERY
A system and method for recovering resolution in an x-ray computed tomography system. The system includes an x-ray source, a two-dimensional sensing array, and a controller. The x-ray source...
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US20090097613 |
NUCLEAR MEDICAL DIAGNOSIS DEVICE
A nuclear medical diagnostic device, for determining parameters T 1, T 2, and K required by a scintillator array identification mechanism without using a jig, includes a scintillator block formed...
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US20090097612 |
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...
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US20090092231 |
X-RAY DEVICE FOR PRODUCING X-RAY IMAGES
X-ray device for producing X-ray images is provided. The X-ray device includes a radiation generator unit embodied for the purpose of generating an X-ray field and an image receiver that has a...
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US20090092225 |
Method for the three-dimensional representation of a moving structure by a tomographic method
The invention relates to a method for a three-dimensional representation of a moving structure by a tomographic method, in which during one recording pass a series of projection recordings is...
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US20090086887 |
RADIATION IMAGE CAPTURING APPARATUS
A radiation image capturing apparatus that includes a radiation conversion panel comprises an input device for inputting a first distance from the position of the panel to a position serving as a...
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US20090080601 |
METHOD AND APPARATUS FOR FLEXIBLY BINNING ENERGY DISCRIMINATING DATA
A CT detector includes a direct conversion material configured to generate electrical charge upon reception of x-rays, a plurality of metallized anodes configured to collect electrical charges...
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US20090074135 |
Method for generating an image sequence for a 3D reconstruction
When recording an image sequence, it is possible to deviate from passing through a perfect curve path. There is described how an alternative curve path can be determined. An envelope is determined,...
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US20090074134 |
Linear accelerator with wide bore CT scanner
A system according to some embodiments may include a treatment head to emit a megavoltage radiation beam toward a volume, a plurality of X-ray sources to emit a respective kilovoltage radiation...
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US20090074133 |
Reconstruction Method for Computer Tomograph and Computer Tomograph
It is an object of the invention to provide spiral computer tomography which has a high image quality. It relates to a reconstruction method for computer tomography of the heart, wherein the image...
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US20090074132 |
COMPUTER TOMOGRAPHY APPARATUS AND METHOD OF EXAMINING AN OBJECT OF INTEREST WITH A COMPUTER TOMOGRAPHY APPARATUS
A computer tomography apparatus ( 300 ) for examination of an object of interest, the computer tomography apparatus ( 300 ) comprising an X-ray source ( 302 ) adapted to emit X-rays to an object of...
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US20090074130 |
Method for creating, displaying, and analyzing X-ray images and apparatus implementing the method
A method for creating, displaying, and analyzing X-ray images of a plurality of objects is disclosed. The method comprising, for each of the objects recording three-dimensional X-ray image data of...
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US20090060124 |
ENERGY RESOLVED COMPUTER TOMOGRAPHY
Interpolation of the momentum transfer prior to the filtered backprojection reconstruction in computer tomography baggage inspection or medical applications may not result in best image quality or...
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US20090060123 |
X-RAY CT DEVICE AND METHOD OF IMAGING USING THE SAME
An X-ray CT device including a stationary part; a rotary part rotatable relative to the stationary part; an X-ray tube provided at the rotary part for radiating X-ray beams on an object; an X-ray...
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US20090052616 |
Unit for X-Ray CT Imaging and X-Ray Imaging Apparatus
A unit for X-ray CT imaging to be set in a panorama X-ray imaging apparatus having a cassette holder has a digital sensor cassette for CT imaging to be set in the cassette holder, includes a...
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US20090046916 |
CT SCANNER AND CONTROL METHOD THEREFOR
A CT scanner which can reconstruct high-quality tomographic images using only the projected images obtained by scanning an object without requiring any special three-dimensional phantom is...
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US20090046831 |
BENCH-TOP IMAGE-GUIDED CONFORMAL IRRADIATION SYSTEM FOR LABORATORY ANIMALS
An image-guided irradiation system has a support stage, a stage-positioning assembly connected to the support stage, an x-ray source attached to a support arm in which the support arm is movable...
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US20090046829 |
PRODUCTION OF X-RAY IMAGES CONTAINING A REDUCED PROPORTION OF SCATTERED RADIATION
The invention relates to a method, to an X-ray apparatus for performing the method and to a detector arrangement intended for the latter, for producing X-ray images containing a reduced proportion...
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US20090045347 |
Detector module, radiation detector and radiation recording device
A detector module is disclosed including a plurality of directly converting detector submodules, each with a back contact, and a scattered radiation collimator spanning the detector submodules. For...
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US20090041181 |
COOLING SYSTEM FOR GANTRY-MOUNTED COMPONENTS OF A COMPUTED TOMOGRAPHY SYSTEM
A computed tomography apparatus has a gantry for mounting components of an acquisition system that are arranged such that they can rotate around a system axis, and a stationary part in which the...
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US20090034818 |
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...
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US20090034790 |
Method for customs inspection of baggage and cargo
A method and system of inspecting baggage to be transported from a location of origin to a destination is provided that includes generating scan data representative of a piece of baggage while the...
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US20090028292 |
COMPUTED TOMOGRAPHY SYSTEM WITH STATIONARY ANODE RING
A computer tomography system has a stationary x-ray tube, that has an anode ring and at least one cathode ring, that extends through 360° in a system plane perpendicular to a system axis, and a...
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US20090028291 |
X-RAY SYSTEM AND METHOD FOR IMAGE COMPOSITION
In an x-ray system and a method for image composition, congruent optical images and x-ray images of subjects provided with markers are generated. A transformation matrix/imaging matrix is formed...
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