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| Number | Title | Issue Date |
| 8121245 | Imaging system A method and apparatus for reconstruction of a region of interest for an object is provided. The reconstruction of the object may be based on chords which may fill a part, all, or more than all of the region of interest. Using chords for reconstruction may allow for... | 02/21/2012 |
| 7912173 | Reference structures and reference structure enhanced tomography A reference structure tomography device is provided which includes a reference structure configured to intercept and modulate energy in the form of waves or otherwise propagating from a source to a sensor, along longitudinal and traverse directions. The reference st... | 03/22/2011 |
| 7643604 | Stationary inspection system for three-dimensional imaging employing electronic modulation of spectral data from Compton-scattered gammas An inspection system according to various embodiments can include a stationary mono-energetic gamma source and a detector-spectrometer. The detector-spectrometer is configured to employ a modulation of energy bin boundaries within a multi-channel pulse height analyz... | 01/05/2010 |
| 7623614 | Apparatus for inspecting objects using coded beam An apparatus for inspecting objects utilizes a fan beam or flood beam to illuminate the inspected region of the object. A modulator, which may take the form of a movable mask, dynamically encodes the beam so that each segment of the inspected region receives varying... | 11/24/2009 |
| 7412022 | Non-invasive stationary system for three-dimensional imaging of density fields using periodic flux modulation of compton-scattered gammas A three-dimensional image-generating device is an inspection system incorporating three components: a radiation source, a modulating unit, and a radiation detector. All three components of the inspection system may be stationary. The radiation source irradiates an e... | 08/12/2008 |
| 7359488 | Technique for digitally removing x-ray scatter in a radiograph Methods and apparatus for generating an x-ray image. An object is interposed between a detector and an x-ray source. A grid is interposed between the x-ray source and the object. The grid is exposed to primary x-ray energy generated by the x-ray source, thereby expo... | 04/15/2008 |
| 7333646 | Watershed segmentation to improve detection of spherical and ellipsoidal objects using cutting planes In one exemplary embodiment of the present invention, a method of detecting a desired object at a candidate pixel from an image is provided. The method includes the steps of (a) selecting a representative point in the desired object; (b) determining first representa... | 02/19/2008 |
| 7311440 | Anatomically conforming intraoral dental radiographic sensor A system is described for obtaining intraoral radiographic images using an anatomically conforming sensor and a method is described for correcting the projective distortions caused by the inclination of the plane of the imaging sensor relative to the x-ray beam. The... | 12/25/2007 |
| 7290929 | Mounting system for an X-ray tube A mounting assembly for supporting an evacuated enclosure within an outer housing of an x-ray tube is disclosed. The mounting assembly comprises a clamp portion having a C-shaped configuration, and a bracket portion having a circular recess that receives at least a ... | 11/06/2007 |
| 7286694 | Method and apparatus for aiding image interpretation and computer-readable recording medium storing program therefor The same subject can be accurately aligned for effective interpretation of two observation images representing a change in the subject and not adjacent to each other in three or more images arranged in temporal order of the change. The subject in one of the observat... | 10/23/2007 |
| 7236622 | Method for forming a depth image A computer vision/image processing method generates a depth map. In one embodiment, the present invention provides a method of forming a relative depth map from at least three x-ray images of a patient taken from different perspectives. The method includes the steps... | 06/26/2007 |
| 7187752 | Product irradiator for optimizing dose uniformity in products An apparatus and method for irradiating a product or product stack with a relatively even radiation dose distribution is provided. The apparatus comprises a radiation source, an adjustable collimator, a turn-table capable of receiving a product stack and a control s... | 03/06/2007 |
| 7136453 | Apparatus for imaging objects on the remote side of a barrier using radiation Apparatus (1) for imaging an object (4) on the remote side of a barrier (6). The apparatus has source means (2) for scanning the object (4) through the barrier (6) with radiation and mask means (8) having at a least o... | 11/14/2006 |
| 7127029 | Arrangement and method for obtaining tomosynthesis data A scanning-based arrangement for obtaining tomosynthesis data of an object (5) at high repetition rate comprises a support structure (11); scanning-based apparatuses (10) fixedly arranged on the support structure and each including (i) radiation... | 10/24/2006 |
| 7123680 | X-ray computer tomography apparatus An X-ray computer tomography apparatus includes an X-ray tube, an X-ray detector, a data collection apparatus that collects X-ray signals from the X-ray detector repeatedly, a shutter mechanism that is arranged between the X-ray tube and a subject in order to conver... | 10/17/2006 |
| 7079620 | Method and apparatus for determining a magnification factor a radiographic image A method and apparatus for determining a magnification factor in a radiography device of the type comprising an X-ray source and means for acquiring images placed facing the source, the source and the means for acquiring images being mounted so as to rotate about at... | 07/18/2006 |
| 7050529 | Methods and apparatus for performing a computed tomography scan A computed tomographic (CT) imaging system for performing a CT scan includes a detector array including a plurality of detector cells and a processor operationally coupled to the detector array. The processor is configured to receive first data regarding a first x-r... | 05/23/2006 |
| 7023950 | Method and apparatus for determining the position of an x-ray cone beam produced by a scanning electron beam A Laminography system with x-ray source and a detector assembly. The x-ray source uses a narrow, deflected pencil beam to scan to a linear target. An x-ray cone beam detected by the detector assembly is produced where the electron beam strikes the target. The target... | 04/04/2006 |
| 7020237 | Scanning-based detection of ionizing radiation for tomosynthesis An apparatus for obtaining tomosynthesis data of an object comprises a source emitting radiation centered around an axis of symmetry; a radiation detector comprising a stack of line detectors, each being directed towards the source at a respective angle; and a devic... | 03/28/2006 |
| 6999559 | Heat sink for miniature x-ray unit A heat exchanger removes heat generated by a miniaturized x-ray source to help remove heat at the site of x-ray generation. ... | 02/14/2006 |
| 6978040 | Optical recovery of radiographic geometry Processing of up to a plurality of radiographic images of a subject, includes the capture of at least two visible light images of the subject, two or more of the visible light images in correspondence to at least one radiographic image. The visible light images are ... | 12/20/2005 |
| 6960020 | Image positioning method and system for tomosynthesis in a digital X-ray radiography system The present invention provides a method and system for determining the position of the image of a target object or the position of the x-ray source in digital tomosynthesis, as the x-ray source is moved relative to the object so as to obtain multiple two-dimensional... | 11/01/2005 |
| 6950495 | Backscatter imaging using Hadamard transform masking Backscatter imaging using Hadamard transform masking includes an area x-ray source with alternating, masked, Hadamard transform patterns. The total backscatter signal from a target for each pair of corresponding masks is recorded. The difference in signal strengths ... | 09/27/2005 |
| 6909808 | Image compression to enhance optical correlation The present invention is in the area of optical correlation. Embodiments of the invention encompass systems of process and/or equipment to compress images for optical correlation. Further embodiments of the invention may compress images to correlate objects and grid... | 06/21/2005 |
| 6885724 | Radiographic tomosynthesis image acquisition utilizing asymmetric geometry Systems and methods that utilize asymmetric geometry to acquire radiographic tomosynthesis images are described. Embodiments comprise tomosynthesis systems and methods for creating a reconstructed image of an object from a plurality of two-dimensional x-ray projecti... | 04/26/2005 |
| 6748046 | Off-center tomosynthesis The present invention is directed to an apparatus and method for acquiring off-axis X-ray images of a plurality of regions of interest. The apparatus includes a source producing a beam of radiation, a surface to support at least a subset of the plurality of regions ... | 06/08/2004 |
| 6616051 | Apparatus for and method for marking objects, objects marked thereby and apparatus and method of reading marked objects An apparatus for marking objects is disclosed. The apparatus comprises (a) a source device including a mother isotope for emitting daughter isotopes by radioactive decay; preferably (b) a positioning mechanism for positioning an object in close proximity ... | 09/09/2003 |
| 6005907 | Method and apparatus for producing tomosynthesis exposures employing a reference object composed of a number of sub-objects In a method and an apparatus for producing a tomosynthesis exposure of an examination subject, an X-ray beam is directed at the subject from different directions and a reference object composed of at least two sub-objects is disposed in the X-ray beam tog... | 12/21/1999 |
| 5896437 | X-ray diagnostics apparatus for tomosynthesis having a reference object in fixed relationship to a radiation emitter An X-ray diagnostics apparatus for tomosynthesis has a radiation emitter and a reference object exclusively connected thereto so that the reference object has a fixed reference relationship to the radiation emitter. It is thus possible to determine the sp... | 04/20/1999 |
| 5717733 | X-ray and neutron diffractometric imaging of the internal structure of objects A method and device for examining the internal structure of an object uses diffracted X-rays or other penetrating radiation. In one embodiment, spatial filters proximate to a source of radiation transmit an array of divergent pixel-beams which irradiate a... | 02/10/1998 |
| 5668844 | Self-calibrated tomosynthetic, radiographic-imaging system, method, and device A self-calibrating tomosynthetic x-ray system is provided. A calibrated device for recording radiographic images of a selected object irradiated by a source of radiation includes a first radiolucent radiographic recording medium in the form of a CCD devic... | 09/16/1997 |
| 5623528 | Method for generating 3-dimensional images An object of the present invention is to provide a novel method for generating 3-dimensional radiation images and, more particularly, a method for generating 3-dimensional radiation images capable of aligning completely registered 3-dimensional positions ... | 04/22/1997 |
| 5610968 | High capacity cooling system for CT gantry A CT scanner includes a stationary gantry (C) having an examination region (12) centrally therein. A rotating frame or gantry (C) which is mounted for rotation about the examination region carries an x-ray tube assembly (B), a liquid-to-liquid heat exchan... | 03/11/1997 |
| 5473653 | Method of generating slice images, and device for carrying out the method The invention relates to a method of generating slice images of an examination zone which is irradiated by X-rays from a plurality of radiation source positions in order to generate separate single images, each associated with a difficult one of the sourc... | 12/05/1995 |
| 5359637 | Self-calibrated tomosynthetic, radiographic-imaging system, method, and device A self-calibrating tomosynthetic x-ray system is provided. A calibrated device for recording radiographic images of a selected object irradiated by a source of radiation includes a first radiolucent radiographic recording medium in the form of a CCD devic... | 10/25/1994 |
| 5022066 | Method of and device for forming layer images of an object The invention relates to a method of forming images of layers of an object, and a device for performing this method. The layer images are formed from single-shadow images produced from different radiation source positions. The image values of the single-s... | 06/04/1991 |
| 4853947 | Method of generating an X-ray layer image of an examination zone, and device for performing the method The invention relates to a method of generating a layer image from a plurality of single images, the image processing errors which locally occur in the single images being substantially eliminated in the layer image. To this end, the image values for the ... | 08/01/1989 |
| 4677681 | Method for eliminating the diffused radiation in a radiology image A method is disclosed for eliminating the diffused radiation in a radiology image. The method fundamentally consists in interposing a mask comprising a finite number of areas absorbent to X-rays between the X-ray source and the object which is to be exami... | 06/30/1987 |
| 4630296 | Method of generating layer images A method of generating layer images from a number of single-shadow images and a device for performing this method. The absorption values associated with the image points of the single-shadow images are stored in a memory. The image value of the layer-imag... | 12/16/1986 |
| 4595014 | Imaging probe and method The disclosure is directed to an apparatus and method for imaging radiation pattern from within a body. In accordance with the preferred method of the invention, there is provided a technique for imaging internal structure of a body which includes the fol... | 06/17/1986 |
