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| Number | Title | Issue Date |
| 8186880 | Extended and fixed INTable simultaneously imaged calibration and correction methods and references for 3-D imaging devices Calibration and reference samples with reduced cross-sectional areas encased within imaging tables or couch pads have low attenuation properties and provide patient comfort. The samples are stable and provide reproducible images without artifacts. The torso-length s... | 05/29/2012 |
| 8182150 | Calibration procedure for the relative position of a table and C-Arm on a medical imaging system A method of calibrating a mechanical model of behavior and movement of an interventional radiology table by moving the table over at least one degree of freedom, acquiring at least one set of images corresponding to different positions of the table and C-arm, obtain... | 05/22/2012 |
| 8167486 | Imaging system and driving method thereof When a gain correction is performed for the radiographed object image, the acquisition of the object image having a high grade quality and no artifact is realized. For that purpose, an image storing unit is provided for storing an image for correction radiographed b... | 05/01/2012 |
| 8162543 | Method to correct imaging errors of an x-ray image intensifier system and associated x-ray image intensifier system An image intensifier system has an image converter tube to convert incident x-ray radiation into visible light and a digital camera system optically downstream of the image converter tube. The camera system has an image sensor to convert the incident, visible light ... | 04/24/2012 |
| 8104958 | Assigning X-ray markers to image markers imaged in the X-ray image The present application relates to an x-ray marker device comprising an arrangement of x-ray markers, wherein the arrangement defines straight lines which are referred to as device straight lines, wherein at least some of the device straight lines, which are referre... | 01/31/2012 |
| 8104957 | Calibrating a C-arm x-ray apparatus The invention relates to a method for calibrating a C-arm x-ray apparatus, comprising the following steps: a) the C-arm x-ray apparatus is moved to an initial position, in particular to an anterior-posterior position; b) a calibration image... | 01/31/2012 |
| 8100584 | Voltage measurement in an imaging system Methods and systems are generally described for measuring a voltage used by an imaging system to generate radiation used in imaging. In embodiments, different datasets are acquired using different degrees of attenuation of the radiation. The differently attenuated d... | 01/24/2012 |
| 8075183 | Method of evaluating the resolution of a volumetric imaging system and image phantom used during the resolution evaluation A method for evaluating the spatial resolution of a volumetric medical imaging system comprises imaging an image phantom including a sphere surrounded by a uniform medium. The image phantom is imaged and the resulting volumetric data set is used to generate an edge ... | 12/13/2011 |
| 8075184 | X-ray calibration Methods, devices, and kits for determining the magnification of an x-ray image of an object, or a portion of an object are described. An exemplary method comprises the steps of providing an object to be x-rayed, providing a first posterior x-ray marker having a pre-... | 12/13/2011 |
| 8057098 | X-ray CT apparatus and method of creating correction data for X-ray CT A helical scanning operation is performed while a bed is moved, so that data by one-time rotation is collected while positional relationships between a detecting system and a phantom relatively are changed. Further, data obtained by scanning an air region and data o... | 11/15/2011 |
| 8043003 | Method for determining an imaging rule and method for generating a 3D reconstruction It is possible that at a predetermined position of the imaging components of a radiographic imaging system the object is not fully viewed. The object can be a calibration phantom, which means that it is not possible to directly determine an imaging rule with the aid... | 10/25/2011 |
| 8033725 | X-ray image apparatus and device for and method of calibrating an X-ray image apparatus A calibration device (140) for calibrating an X-ray image apparatus includes a receiving unit (200) for receiving an image captured by a detection unit (108) of the X-ray image apparatus (100) under reference conditions, an analyzing unit... | 10/11/2011 |
| 8021047 | Image capturing control apparatus There is provided an image capturing control apparatus including: a communication unit which communicates with a radiographic imaging apparatus which captures a radiographic image represented by irradiated radiation and generates image information indicating the cap... | 09/20/2011 |
| 8011830 | Method and system for calibrating an X-ray photoelectron spectroscopy measurement A method and a system for calibrating an X-ray photoelectron spectroscopy (XPS) measurement are described. The method includes using an X-ray beam to generate an XPS signal from a sample and normalizing the XPS signal with a measured or estimated flux of the X-ray b... | 09/06/2011 |
| 8011829 | Compact and lightweight X-ray device An X-ray device for irradiating a beam of X-rays on an object to capture an X-ray image of the object is smaller in size and weight than conventional ones. The X-ray device includes an X-ray tube for generating the beam of X-rays and irradiating the beam of X-rays o... | 09/06/2011 |
| 8007173 | Calibration of imaging geometry parameters Some embodiments include determination of a first projection image of a phantom based on first imaging geometry parameters associated with a first radiation-based imaging system and on a virtual model of the phantom, acquisition of a second projection image of the p... | 08/30/2011 |
| 8002466 | Irradiation verification device for radiotherapy installations, and method for handling thereof The present invention relates to an irradiation verification apparatus containing living cell material which is fixed in location on cell supports which are arranged between cell support holders. For irradiation verification, the z co-ordinate of the irradiation ver... | 08/23/2011 |
| 7980760 | X-ray inspection apparatus and X-ray inspection program An X-ray inspection apparatus detects, by an X-ray line sensor, X-rays irradiated towards a product placed on a conveyor and transmitted therethrough in order to detect the presence of foreign matter contained in the product. The X-ray inspection apparatus includes ... | 07/19/2011 |
| 7967507 | Dimensional reference for tomography A dimensional reference system for tomography, including X-ray computed tomography and MRI tomography. The system includes a dimensional reference apparatus that comprises plurality of spheres composed of a material having an X-ray absorption property between approx... | 06/28/2011 |
| 7963697 | Gain calibration and correction technique for digital imaging systems A gain correction and calibration technique for digital imaging systems is provided. In one embodiment, a method may include acquiring a plurality of dark images via a digital detector of an X-ray system. Acquiring the plurality of dark images may include acquiring ... | 06/21/2011 |
| 7950849 | Method and device for geometry analysis and calibration of volumetric imaging systems A technique is provided for geometrical analysis and calibration of a volumetric imaging system. The technique includes computing a projection error between estimated locations of a set of markers of a phantom based on a estimated imaging geometry and observed locat... | 05/31/2011 |
| 7927014 | X-ray diagnostic imaging system with a plurality of coded markers Embodiments of an X-ray diagnostic imaging system comprise a plurality of coded 2D and/or 3D markers associated with surfaces of system components. The position and coding of at least some of the coded markers can be determined by a position detection system. In som... | 04/19/2011 |
| 7922390 | Method and apparatus to facilitate forming detector-level calibration information for a high energy-based scanner The provision of calibration information for a given high energy-based scanner having a plurality of detectors can comprise forming (103) detector-level calibration information for that scanner. This can comprise calculating (201) a theoretical traject... | 04/12/2011 |
| 7922391 | Determining calibration information for an x-ray apparatus A device and method are provided that enable calibration information to be determined for an x-ray apparatus that performs a three-dimensional x-ray scan. The calibration information is determined using an adapting method, wherein the adapting method is based on a p... | 04/12/2011 |
| 7901136 | Methods and system for calibrating and correcting a detection system A method for calibrating a detection system including a multi-focus X-ray source includes performing a scan of a calibration material using the detection system to acquire scan data, determining a diffraction profile of the calibration material using the scan data, ... | 03/08/2011 |
| 7891873 | System for automatic testing of a digital X-ray detector The present invention relates to radiography, including medical radiography, specifically to the apparatus for controlling the technical characteristics of digital radiographic devices, and is intended to maintain self-diagnostics of digital X-ray detectors. The sel... | 02/22/2011 |
| 7874730 | Systems and methods for reducing a degradation effect on a signal Systems and methods for reducing a degradation effect on a signal are described. One of the methods includes pre-processing data based on a scan of a reference object and a scan of a substance. The reference object includes a material having an atomic number ranging... | 01/25/2011 |
| 7866884 | X-ray CT apparatus, method of aligning phantom, and phantom retaining tool The present invention comprises a top plate 31 for placing a cylindrical phantom 100, an X-ray tube 22 that generates X-rays, an X-ray detector 23 that detects X-rays transmitted through the phantom 100 placed on a top plate 31 | 01/11/2011 |
| 7850367 | Imaging system and driving method thereof When a gain correction is performed for the radiographed object image, the acquisition of the object image having a high grade quality and no artifact is realized. For that purpose, an image storing unit is provided for storing an image for correction radiographed b... | 12/14/2010 |
| 7832928 | Dark correction for digital X-ray detector A method of forming an offset-corrected exposure image includes obtaining an initial exposure image and exposure metadata related to the initial exposure image. An intermediate offset-corrected exposure image is formed by obtaining one or more dark images associated... | 11/16/2010 |
| 7819581 | Method of and system for calibration of inspection systems producing X-ray images According to one embodiment, a calibration system for calibrating image data produced by an imaging system is provided. The calibration system includes a processor configured for: receiving the image data from the imaging system; receiving a plurality of reference v... | 10/26/2010 |
| 7810997 | Radiographic apparatus and radiation detection signal processing method A radiographic apparatus according to this invention stores, before an imaging event, offset images and gain correcting images corresponding to a plurality of storage times, and acquires a lag image and a radiographic image based on these stored images. Then, lag co... | 10/12/2010 |
| 7810996 | Dual fluoroscopy systems and methods A method for constructing a dual fluoroscopy system according to embodiments of the present invention includes providing a first c-arm and a second c-arm, each of which include an x-ray generator and an imaging device, synchronizing exposure timing of the two x-ray ... | 10/12/2010 |
| 7789562 | Calibration of a multi-plane X-ray unit For calibrating a multi-plane X-ray unit, an internal matrix mapping coordinate system internal to the unit onto coordinate system of a first radiographic plane is predefined in a reference projection geometry. An external matrix mapping coordinate system external t... | 09/07/2010 |
| 7780351 | Method for determining gray-scale values for volume elements of bodies to be mapped The invention relates to a method for determining gray-scale values for volume elements of bodies to be mapped using an x-ray image recording system. When a body to be mapped is not mapped in full on a single projection image for a rotational position, a second proj... | 08/24/2010 |
| 7780352 | Radiation system and radiation beam quality detector and method A detector array is disposed relative to a radiation source such that radiation from the radiation source over a predetermined time period is substantially similar across the detector array. The detector array includes radiation detectors operatively coupled to dete... | 08/24/2010 |
| 7775715 | Method of calibration for computed tomography scanners utilized in quality control applications A method of calibrating a computed tomography system includes the steps of mounting a scan geometry defining tool on a rotating object positioning unit of a computer tomography scanner. The scan geometry defining tool has structure of precisely measured dimensions. ... | 08/17/2010 |
| 7775714 | Methods of assessing performance in an imaging system A system, method, and computer readable medium for facilitating the assessment of performance quality of an imaging system having a sensor subsystem. An imaging mode of operation of the imaging system is selected and at least one current set of digital image data of... | 08/17/2010 |
| 7766549 | Method, system and device for automated configuring of an X-ray source apparatus A method, a system and a device for automated configuration of a high power X-ray source apparatus (10), which has multiple modules (20, 28, 30, 50, 53). A first module (20, 28, 30, 50, 53) of the high power X-ray source apparatus (10) ha... | 08/03/2010 |
| 7753586 | Radiation imaging apparatus A grid 3 arranged with a scattered radiation shielding plate 31 for each column is arranged at a front face of a radiation detector 2. The distance between the grid 3 and the radiation detector 2 is desirably a integral multiple of... | 07/13/2010 |
