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| Number | Title | Issue Date |
| 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 performed, or interpolation interlacing is performed. The interpolation inte... | 05/08/2012 |
| 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 may be acquired. Further, at least one parameter associated with the ... | 04/17/2012 |
| 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 CT data from a first number of detector rows during a scan, wherein ... | 04/10/2012 |
| 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 elements arrayed in a slice direction in which X-rays transmitted th... | 03/27/2012 |
| 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 most 55° C., and designed for detecting X-ray radiation. ... | 03/13/2012 |
| 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 filtered signal is determined at least for a subset of the raw detec... | 02/21/2012 |
| 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 large number of radiation detectors and radiation detector support plates... | 02/14/2012 |
| 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 reconstruction pixel. The width of the kernel is the projection of the reconstr... | 02/14/2012 |
| 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 a plurality of X-ray detectors for detecting X-rays in the X-ray beam... | 02/07/2012 |
| 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 edge of a first object of the stream of objects from the raw data acquir... | 12/20/2011 |
| 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 substrate; and an interconnect assembly including electrical paths confi... | 10/18/2011 |
| 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 accordance with the detection to increase information for image reconstr... | 10/18/2011 |
| 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 direction, with a modular design of the second and third grating structure... | 08/30/2011 |
| 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 formed by a sintered body of a ceramic. In th... | 08/16/2011 |
| 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 radiation with the object. The platform is movable at least partially wit... | 08/16/2011 |
| 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 large number of radiation detectors and radiation detector support plates... | 07/26/2011 |
| 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. ... | 07/05/2011 |
| 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 particular for regions including a hollow space of an object under examination... | 06/14/2011 |
| 7916830 | Edge detection for computed tomography projection data compression A compression subsystem for a computed tomography system compresses projection data to for efficient data transfer and storage. The compression includes detecting edges in the projection data corresponding to the object being imaged to set boundaries for compression... | 03/29/2011 |
| 7916831 | 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 device which collects data with respect to the array of detection cells i... | 03/29/2011 |
| 7899152 | 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 registered by an imaging unit at different recording angles between a star... | 03/01/2011 |
| 7889837 | 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 the X-ray tube. An X-ray detector is provided in the rotor. A reconst... | 02/15/2011 |
| 7881425 | Wide-coverage x-ray source with dual-sided target An x-ray source is disclosed comprising: an anode disk with first and second beveled annuli at a periphery of the anode disk, the anode disk rotatably coupled to a housing structure via a support shaft; first and second cathodes mounted to a yoke support structure, ... | 02/01/2011 |
| 7856079 | Reconstruction method for computer tomography 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 is reconstructed from a data component of recordings of a partial det... | 12/21/2010 |
| 7852980 | 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 projects an x-ray beam towards subject. The x-ray source includes an anode ... | 12/14/2010 |
| 7852981 | Detector device and CT inspection system having the same Disclosed is a detector device, comprising: an adjustable positioning base and a detector module. The adjustable positioning base includes: a horizontal plate being able to fixedly connect onto an annular rotation table or disk; and a vertical plate extending from t... | 12/14/2010 |
| 7822173 | Smart radiation detector module An ionizing radiation detector module (22) includes a detector array (200), a memory (202), signal processing electronics (208), a communications interface (210), and a connector (212). The memory contains detector performan... | 10/26/2010 |
| 7822172 | Method for hardening correction in medical imaging The invention relates to a method for beam hardening correction in medical image. Beam hardening within the context of medical imaging projection image profiles are split up into a basic profile which is assigned to a homogeneous object area and into a detailed prof... | 10/26/2010 |
| 7796722 | Quantum detector module, quantum detector, method for determining quantum absorption events, computer program product and radiation detection device A quantum detector module for the quantitative and energy-resolved determination of quantum absorption events, a quantum detector, a method for determining quantum absorption events, a computer program product and a radiation detection device are disclosed. In at le... | 09/14/2010 |
| 7783000 | 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 formed by a sintered body of a ceramic. In th... | 08/24/2010 |
| 7778387 | 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). The method is particularly suited for an n-PI+ acquisition w... | 08/17/2010 |
| 7773720 | 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 two-dimensional X-ray detector for acquiring X-ray projection data for CT i... | 08/10/2010 |
| 7769129 | X-ray computed tomography apparatus An X-ray computed tomography apparatus includes an X-ray tube (101) which generates X-rays, a multi-channel X-ray detector (103) which detects X-rays transmitted through an object to be examined, a rotating frame (102) which is equipped with the... | 08/03/2010 |
| 7769128 | Support structure for z-extensible CT detectors and methods of making same Pin-based support structures for easily and precisely assembling CT detector components into individual detector modules are described, as are methods of making the same. The pins in these structures serve as the local reference points against which all other detect... | 08/03/2010 |
| 7764763 | X-ray CT system, image reconstruction method for the same, and image reconstruction program It is an object of the present invention to eliminate windmill artifacts that inevitably occurs when a helical scan is performed with an X-ray CT system. To this end, the present invention is equipped with an X-ray source, and an X-ray detector having a plurality of... | 07/27/2010 |
| 7760852 | X-CT scan system An X-CT scan system includes a base, an object rotary support, an X-ray generation device and a data acquisition system, wherein one side of the detector is leveled to or beyond the prolong line of the connecting line between the X-ray source of the X-ray generation... | 07/20/2010 |
| 7751526 | Method for synchronising an emitter and a detector in a computed tomography scanner In a computed tomography scanner provided with an emitter for emitting a beam of radiation through an object to be analyzed and a detector for acquiring radiographies of the object, the detector generates a synchronization signal corresponding to its state of activa... | 07/06/2010 |
| 7738625 | 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 apparatus for generating X-rays and emitting the X-rays toward a subje... | 06/15/2010 |
| 7697659 | Direct conversion energy discriminating CT detector with over-ranging correction A CT detector capable of energy discrimination and direct conversion is disclosed. The detector includes multiple layers of semiconductor material with the layers having varying thicknesses. The detector is constructed to be segmented in the x-ray penetration direct... | 04/13/2010 |
| 7680242 | X-ray examination method and X-ray examination apparatus An X-ray examination apparatus includes a scanning X-ray source for outputting X-rays, a sensor base which is attached with a plurality of X-ray sensors and which rotates about a rotation axis, and an image acquiring control mechanism for controlling rotation angle ... | 03/16/2010 |
