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| Number | Title | Issue Date |
| 7372943 | Method for recording projection image In recording projection images for dual absorptiometry, the optical thickness of an object being examined is determined on the basis of a projection image recorded in a high-energy range, and parameters for recording a projection image in the low-energy range are se... | 05/13/2008 |
| 7359481 | X-ray image diagnostic device An x-ray diagnostic imaging system with an x-ray irradiation unit for irradiating an object; an x-ray diaphragm unit for shielding the irradiated x-rays except for the x-rays irradiated on a portion used for obtaining an x-ray image of the object; an x-ray diaphragm... | 04/15/2008 |
| 7352887 | Scatter rejection for composite medical imaging systems Scatter effects are reduced in a radiographic imaging device, such as a digital slot scan mammographic imaging device, by reducing detected scatter and processing detector information to compensate for scatter effects. In one embodiment, a digital mammographic imagi... | 04/01/2008 |
| 7336767 | Back-scattered X-ray radiation attenuation method and apparatus A method for improving resolution of X-ray radiography systems of the type used to obtain images of internal features of human bodies or to view contents of luggage articles, cargo containers and the like comprises positioning a plurality of baffle plates between th... | 02/26/2008 |
| 7336844 | Image enhancement A method of deblurring images e.g. from an MRI scan, comprises calculating the distribution of the slope value of the intensities between the pixels in the image, and using a Levy distribution of power factor k of 1 (Cauchy distribution) up to but not including (2) ... | 02/26/2008 |
| 7336759 | Scattering compensating method and scattering measuring method A method for compensating scattering includes acquiring the projective length of non-subject entities and acquiring the projective length of an object of radiography wherein the object of radiography is radiographed with a beam thickness set to the same value as a d... | 02/26/2008 |
| 7333647 | Systems and method for generating an image A system for obtaining a resultant image and a method to utilize the same are provided. In particular, first and second images of a subject or a portion of the subject are obtained. The first image includes a first portion of the subject and a second portion of the ... | 02/19/2008 |
| 7330531 | System for quantitative radiographic imaging A system for spectroscopic imaging of bodily tissue in which a scintillation screen and a charged coupled device (CCD) are used to accurately image selected tissue. Applications include the imaging of radionuclide distributions within the human body or the use of a ... | 02/12/2008 |
| 7315640 | X-ray image processing A method of enhancing and normalizing x-ray images, particularly mammograms, by correcting the image for digitizer blur, glare from the intensifying screen and the anode-heel effect. The method also allows the calculation of the compressed thickness of the imaged br... | 01/01/2008 |
| 7308072 | Device and method for x-ray scatter correction in computer tomography A device (1) for computer tomography, which is set up for x-ray scatter correction, features an evaluation unit (17) which evaluates values stored as a table in a data memory for x-ray scatter correction, which have been determined in advance with the ... | 12/11/2007 |
| 7295691 | Computer aided diagnosis of an image set A method, system, and storage medium for computer aided processing of an image set includes employing a data source, the data source including an image set acquired from X-ray projection imaging, x-ray computed tomography, or x-ray tomosynthesis, defining a region o... | 11/13/2007 |
| 7263164 | Imaging system to compensate for x-ray scatter A system includes acquisition of a first image of a first radiation field, at least a portion of the first radiation field comprising radiation attenuated by a device, and the first image including a representation of first scatter radiation generated during acquisi... | 08/28/2007 |
| 7260179 | Method for producing X-ray images The invention relates to a method for producing X-ray images, by which successive X-ray images are recorded using a first semiconductor detector arranged in a first plane and a second semiconductor detector arranged in a second plane. For the purpose of correcting t... | 08/21/2007 |
| 7215732 | Method and system for CT reconstruction with pre-correction A method for reconstructing image data from measured sinogram data acquired from a CT system is provided. The CT system is configured for industrial imaging. The method includes pre-processing the measured sinogram data. The pre-processing includes performing a beam... | 05/08/2007 |
| 7196332 | Monolithic x-ray detector with staggered detection areas A monolithic solid-state detector using a staggered arrangement of pixels in multiple rows improves spatial resolution without requiring reduction in pixel size. Parallelogram shapes of CZT monolith allow tiling in one dimension without inefficient zones between mon... | 03/27/2007 |
| 7190758 | X-ray CT system A method for performing scattered radiation correction. The position of a collimator and the width of a slit are adjusted so that direct radiation will fall on one of a plurality of arrays of detectors. A predetermined phantom is scanned. The scan is performed relat... | 03/13/2007 |
| 7145980 | X-ray diagnosis apparatus and method for obtaining an X-ray image A method for obtaining an X-ray image for an X-ray diagnosis apparatus including plurality of imaging systems, including: collecting first scatter data using a first X-ray detector after an X-ray is irradiated from a first X-ray tube in a first imaging system; colle... | 12/05/2006 |
| 7136450 | Method of and system for adaptive scatter correction in multi-energy computed tomography Method of and system for adaptive scatter correction in the absence of scatter detectors in multi-energy computed tomography are provided, wherein input projection data acquired using at least two x-ray spectra for scanned objects may include a set of low energy pro... | 11/14/2006 |
| 7123763 | Image discrimination apparatus and image discrimination method An apparatus and method are provided for determining whether diaphragmatic radiation has been employed to obtain an autoradiograph of an object using a radiographic device having a diaphragmatic radiation function. An autoradiographic signal is entered and a first c... | 10/17/2006 |
| 7099428 | High spatial resolution X-ray computed tomography (CT) system A high spatial resolution X-ray computed tomography (CT) system is provided. The system includes a support structure including a gantry mounted to rotate about a vertical axis of rotation. The system further includes a first assembly including an X-ray source mounte... | 08/29/2006 |
| 7092482 | Signal profiling for medical imaging systems Scatter effects are reduced in a radiographic imaging device, such as a digital slot scan mammographic imaging device, by reducing detected scatter and processing detector information to compensate for scatter effects. Spatial intensity profile information together ... | 08/15/2006 |
| 7070328 | Method for the compensation of image disturbances in the course of radiation image recordings and radiation image recording apparatus A method is for the compensation of image disturbances in the course of a radiation image recording caused by a defocusing of an antiscatter grid, arranged in the beam path between a beam source and a digital radiation image receiver and focused with respect to a sp... | 07/04/2006 |
| 7031427 | Method for estimating a scattered radiation, particularly to correct tomography or bone densitometry measurements The image of an object is improved by estimating the scattered radiation that it transmits to the detectors. To achieve this, one uses the scattered radiation effectively measured through an imitation of the object, having analogous attenuation properties, and which... | 04/18/2006 |
| 7027632 | Image discrimination apparatus and image discrimination method According to the present invention, provided are an image discrimination apparatus and an image discrimination method for determining whether diaphragmatic radiation has been employed to obtain an autoradiograph of an object using a radiographic device having a diap... | 04/11/2006 |
| 7015480 | Method and system for creating an image of a radiation source A method of creating an image of a radiation source includes detecting radiation associated with a first location of the radiation source. Data corresponding to the radiation associated with the first location is processed to provide a first value. The first value i... | 03/21/2006 |
| 6968040 | Method and apparatus for improved X-ray device image quality An X-ray device and method of improving the quality of an image formed by an X-ray device are provided. The X-ray device comprises a source emitting a beam of X-rays toward an object to be examined. A detector for receiving the X-rays that pass through the object is... | 11/22/2005 |
| 6925140 | Method for correcting stray radiation in an x-ray computed tomography scanner In a method for correcting for stray radiation in measured intensity values, the measured intensity values are obtained in an X-ray computed tomography scanner by means of a detector matrix that is situated in a tomography measuring field of the computer tomography ... | 08/02/2005 |
| 6920238 | Precision imaging system An imaging system is disclosed for use in low-light environments or environments where low-levels of such radiation is desirable. Examples of such environments are night photography, laparoscopy, and mammography. In the case of radiation that is other than visible l... | 07/19/2005 |
| 6911996 | Fluoroscopy image apparatus In a fluoroscopy image apparatus of the invention, in case an ordinary control circuit for an image sensor is out of order, a D/A switching mechanism is switched to analog, and a plurality of pixels of the image sensor is controlled as one pixel unit by a pixel cont... | 06/28/2005 |
| 6901158 | Image discrimination apparatus and image discrimination method An apparatus and method are provided for determining whether diaphragmatic radiation has been employed to obtain an autoradiograph of an object using a radiographic device having a diaphragmatic radiation function. An autoradiographic signal is entered and a first c... | 05/31/2005 |
| 6868137 | Apparatus and method for a radiation image through a grid It is an object of one of the inventions to acquire a radiation image in which a stripe pattern originating from a scattered ray removing grid is less apt to interfere with observation. An image acquisition apparatus of one of the inventions includes a sensor for sp... | 03/15/2005 |
| 6839401 | X-ray computed tomography apparatus In order to remove a scattered line component resulting from an object from projection data to obtain a satisfactory rearrangement image, an amount of scattered line is calculated from a region in which a first-order X-ray is shielded by an X-ray shield and a compon... | 01/04/2005 |
| 6826256 | Apparatus and method for a radiation image through a grid It is an object of one of the inventions to acquire a radiation image in which a stripe pattern originating from a scattered ray removing grid is less apt to interfere with observation. An image acquisition apparatus of one of the inventions includes a sensor for sp... | 11/30/2004 |
| 6748047 | Scatter correction method for non-stationary X-ray acquisitions A method of estimating an asymmetrical scatter signal distribution wherein asymmetry is introduced by angular incidence of radiation, which has been emitted from a source and transmitted through an object to be imaged, on a detector, is disclosed. This method includ... | 06/08/2004 |
| 6618466 | Apparatus and method for x-ray scatter reduction and correction for fan beam CT and cone beam volume CT In cone-beam volume computed tomography or similar imaging techniques, the effects of x-ray scatter are reduced through using a beam compensation filter (a bow tie filter), air gap technique, and an antiscatter grid and corrected through the use of a beam... | 09/09/2003 |
| 6594338 | Method for estimating scattered radiation, in particular for correcting radiography measurements The radiography of a subject is improved by estimating the scattered radiation it transmits to the detectors. For this, one uses scattered radiation measured effectively through a simulacrum of the subject, with analogous attenuation properties, and which... | 07/15/2003 |
| 6542575 | Correction methods and apparatus for digital x-ray imaging In recent years, x-ray imaging, which has been used to diagnose millions of illnesses and injuries, has evolved to use digital imaging instead of photographic film as a recording medium. Digital x-ray systems typically include an x-ray source, an x-ray fo... | 04/01/2003 |
| 6385287 | Method and system for providing virtual grid for portal imaging in a radiotherapy system A method and system for providing a portal image of an object utilizing a radiotheraphy system is disclosed. The radiotherapy system includes a system for providing at least one opening over the object. The at least one opening allows radiation therethrou... | 05/07/2002 |
| 6314160 | Method and apparatus for performing fluoroscopic noise reduction The present invention provides an adaptive fluoroscopic noise reduction (FNR) algorithm utilizing various data acquisition parameters to generate an estimation of the noise statistics and to predict a minimal object contrast associated with the object. Th... | 11/06/2001 |
| 6215846 | Densitometry adapter for compact x-ray fluoroscopy machine An accessory for fluoroscopy equipment is provided to support the x-ray tube and detector on a pedestal with respect to a patient limb for quantitative bone densitometry measurement. Software loaded into the associated digital imaging fluoroscopy equipmen... | 04/10/2001 |
