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8175218 |
Interpolation interlacing based data upsampling algorithm for cone-beam x-ray CT flying focal spot projection data
A method of computed-tomography and a computed-tomography apparatus where a flying focal spot x-ray interpolation interlacing is used. Weighted or non-weighted interlacing of zero values is...
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8160200 |
Method and system for image data acquisition
A technique for acquiring desired image data in an imaging system comprising at least one radiation source and a detector is described. Initially, preliminary image data corresponding to an object...
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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...
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8155265 |
Asymmetric de-populated detector for computed tomography and method of making same
A computed tomography (CT) detector array includes a central region substantially symmetric about a central axis thereof and includes a first plurality of x-ray detector cells configured to acquire...
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8152373 |
X-ray device and X-ray sensitive camera for panoramic tomography and 3D shots
The invention relates to an X-ray device comprising an x-ray sensitive camera for creating tomograms, especially panoramic tomograms. Means for creating 3D shots of a partial volume of the...
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8148695 |
Nuclear medical diagnosis apparatus
A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate...
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RE43272 |
X-ray computerized tomographic apparatus
An X-ray computerized tomographic apparatus includes an X-ray tube device configured to irradiate an object to be examined with a pyramidal X-ray beam, a detector which has a plurality of detecting...
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8139713 |
Combined nuclear-radiographic subject imaging
When performing a patient scan to collect patient data for reconstruction into one or more image volumes, a combination nuclear-radiographic subject imaging device (10) includes first and second...
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8139709 |
Staggered circular scans for CT imaging
Certain embodiments provide staggered circular scans for CT imaging. In certain embodiments, a CT imaging system comprises a plurality of source-detector assemblies that are axially offset from one...
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8135186 |
Method and system for image reconstruction
Disclosed is an imaging system including a source generating an x-ray beam, a detector array receiving the x-ray beam and generating projection data, a translatable table configured for disposal of...
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8135109 |
Direct radiation converter
A direct radiation converter is disclosed. In at least one embodiment, the direct radiation converter is operated using a direct conversion element having a temperature of at least 38° C. and at ...
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8126119 |
Collimator unit, radiation detecting device, and radiodiagnostic system
A pair of holding plates formed with a plurality of grooves each wider than the thickness of each collimator plate are disposed in parallel so that the respective surfaces formed with the grooves...
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8121251 |
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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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...
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8121248 |
X-ray detector methods and apparatus
A method includes performing an x-ray focal spot deflection to generate two complete projections from two different channels of an x-ray detector, wherein the channels are purposefully different...
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8116430 |
Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
A multi-mode cone beam computed tomography radiotherapy simulator and treatment machine is disclosed. The radiotherapy simulator and treatment machine both include a rotatable gantry on which is...
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8116427 |
Radiological imaging apparatus
A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a...
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8116426 |
Computed tomography device and method using circular-pixel position-adaptive interpolation
A method of computed-tomography and a computed-tomography apparatus where a interpolation kernel width is adaptively determined as a function of the distance from the x-ray source to the...
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8110809 |
Radiation detector and radiographic inspection apparatus
On a wiring board 21, first and second semiconductor detection device arrays 22a and 22b are arranged along a depth direction (Y-axial direction). Each of the first and the second semiconductor...
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8111804 |
Graded resolution field of view CT scanner
A CT scanner comprising: a rotor rotatable about an axis of rotation: an X-ray source mounted to the rotor having a focal spot from which an X-ray beam emanates; an X-ray detector array comprising...
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8107708 |
Method for correcting truncation artifacts
The invention relates to a method for correcting truncation artifacts in a reconstruction method for computed tomography recordings. The projection images are recorded by an x-ray image detector...
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8094910 |
Method of reconstructing an image function from Radon data
A method of reconstructing an image function on the basis of a plurality of projection profiles corresponding to a plurality of projection directions through a region of investigation, each...
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8080803 |
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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8081807 |
Method and device of reconstructing an (n+1)-dimensional image function from radon data
A method of reconstructing an (n+1)-dimensional image function ƒ representing a region of investigation comprises determining the image function ƒ from n-dimensional or less dimensional Radon d...
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8081733 |
Method and systems for scanning a stream of objects
A method for scanning a stream of objects includes continuously acquiring raw data of the stream of objects using an X-ray system including a detector, determining a leading edge and a trailing...
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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...
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8077826 |
CT scanner with scatter radiation correction and method of using same
A CT scanner with scatter correction device and a method for scatter correction are provided. The method of correcting CT images from artifacts caused by scattered radiation comprises affixing to...
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8044681 |
Apparatus and method for channel-specific configuration in a readout ASIC
An application-specific integrated circuit (ASIC) comprising a plurality of channels, each channel having circuitry for time and energy discrimination, a plurality of programmable registers, each...
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8045781 |
X-ray computed tomography apparatus, reconstruction processing apparatus, and image processing apparatus
An X-ray computed tomography apparatus scans a subject to be examined with cone beam X-rays, and generates reference volume data on the basis of projection data. This apparatus extracts a cone beam...
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8041002 |
Methods, systems, and apparatuses for increasing efficiency in computed tomography detection
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...
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8041003 |
Electronic packaging technique to improve sensor failure robustness
A modular sensor assembly comprises: sensor arrays electrically coupled to a sensor substrate; a plurality of integrated circuits with sensor signal processors electrically coupled to a package...
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8031830 |
X-ray CT apparatus and method of controlling a collimator and an angle to acquire X-ray data
In an X-ray CT apparatus, the X-ray tube generates an X-ray beam during a line-orbit scan, and the collimator plate shields a part of the X-ray beam other than the part that contributes to image...
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8009796 |
X-ray CT system to generate tomographic phase contrast or dark field exposures
An x-ray CT system that generates tomographic phase contrast or dark field exposures, has at least one grating interferometer with three grating structures arranged in series in the radiation...
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8009794 |
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 (CBCT) by obscuring portions of the radiation source so that the radiation...
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8005185 |
Method to determine phase and/or amplitude between interfering, adjacent x-ray beams in a detector pixel in a talbot interferometer
In a method to determine phase and/or amplitude between interfering, adjacent x-ray beams in a detector pixel in a Talbot interferometer for projective and tomographical x-ray phase contrast...
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8005187 |
Medical digital X-ray imaging apparatus and medical digital X-ray sensor
In a medical digital X-ray imaging apparatus having a plurality of imaging modes including computed tomography mode, a supporter supports an X-ray source and a digital X-ray sensor having a...
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8000437 |
Photodetection unit, photodetector, and x-ray computed tomography apparatus
A photodetecting unit having a favorable attaching operability is provided. In a photodetecting unit 1, two structures for attachment 30 are fixed to the rear face of a supporting substrate 20...
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8000436 |
Radiation scanning units including a movable platform
A scanning unit for inspecting objects comprises in one example a radiation source, a movable platform to support an object, and a detector positioned to receive radiation after interaction of...
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7986763 |
Radiological imaging apparatus
A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a...
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7983385 |
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) remains at a...
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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...
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7974377 |
X-ray detection methods and apparatus
A method includes inserting a first x-ray detector between a second x-ray detector and an object.
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7970096 |
Method of and system for low cost implementation of dual energy CT imaging
The disclosed CT scanner comprises at least one source of X-rays; a detector array comprising a plurality of detectors; and an X-ray filter mask arrangement disposed between the source of X-rays...
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7970097 |
Method for producing tomographic images, control device, tomography unit and computer program product
A method is disclosed for producing tomographic images relating to different movement phases of a periodically moving object with the use of a tomography unit that includes a recording system that...
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7964849 |
Nuclear medical diagnosis apparatus
A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate...
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7961841 |
X-ray photographing apparatus
The present invention relates to an X-ray photographing apparatus that is capable of being automatically transformed to panoramic, CT, and cephalometric photographing apparatuses having...
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7961839 |
Advanced convergence for multiple iterative algorithm
Iterative methods for reconstructing of three-dimensional images based on projection data signals obtained by a computer tomography system often result in wrong absorption coefficients in...
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7956332 |
Multi-layer radiation detector assembly
A technique is provided for forming a multi-layer radiation detector. The technique includes a charge-integrating photodetector layer provided in conjunction with a photon-counting photodetector...
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7945021 |
Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
A multi-mode cone beam computed tomography radiotherapy simulator and treatment machine is disclosed. The radiotherapy simulator and treatment machine both include a rotatable gantry on which is...
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7945016 |
Dental radiology apparatus and associated method of use
A dental radiology apparatus includes: a generator (18) emitting X-radiation provided with a collimation device collimating the radiation in an appropriate manner using several forms of collimation...
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