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Class 378/98.12 - With image subtraction or addition


Subclass of Class 378 - X-ray or gamma ray systems or devices
Definition: Subject matter wherein the television system includes means
No. of patents: 342
Last issue date: 11/08/2011


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NumberTitleIssue Date
8054941Method for the production of angiography recordings
The invention relates to a method for the production of angiography recordings. First, a mask image is recorded with a first modality. A contrast medium is injected after the first recording. A control image is recorded with a second modality after the injection of ...
11/08/2011
7983390Energy subtraction processing apparatus, method, and radiation image diagnosis system
In energy subtraction processing, grid information representing grid use conditions at the time of imaging operations for a plurality of radiation images of an object is acquired. Weight factors are adjusted in accordance with the grid information, which has been ac...
07/19/2011
7953206Radiographic image detection apparatus
In a radiographic image detection apparatus that can perform long-size radiography on a region of a patient that is larger than the detection range of a radiographic image detector, inclination of a radiographic image is corrected at high speed. The inclination angl...
05/31/2011
7881434Radiographic imaging system
A radiographic imaging system comprises: a radiation source for irradiating an examinee with radiation; a radiation detector for detecting radiation that has penetrated the examinee to acquire radiographic image data; image data receiving unit for receiving the radi...
02/01/2011
7852984Method and device for the separate three-dimensional representation of the arterial and venous vascular system using C-arm angiography systems
The invention relates to a method and a device for the separate three-dimensional representation of arteries and/or veins in a vascular system of the body by means of a C-arm biplanar system having two C-arms, which can each record a sequence of x-ray images from di...
12/14/2010
7792251Method for the correction of lag charge in a flat-panel X-ray detector
A method for the correction of lag charges in a flat-panel X-ray detector makes it possible, for each integration phase of the detector, to determine an initial read phase situated just before said integration phase. The method of the invention enables the measureme...
09/07/2010
7773725Multi-energy radiography using monoenergetic pulsed source
A method and apparatus for multi-energy object inspection using a brilliant x-ray source. A first mono-energetic x-ray image of an object at a first selected energy is generated. A second mono-energetic x-ray image of the object at a second selected energy is genera...
08/10/2010
7742570X-ray radiographic apparatus and method
An entire area of an FPD on which an alignment marker provided in a screen is projected is set in advance as a fixed overlapping area (Ctop to Cbottom) according to the long length imaging area and/or the X-ray source position. When determining...
06/22/2010
7742569X-ray system and method for image composition
In an x-ray system and a method for image composition, congruent optical images and x-ray images of subjects provided with markers are generated. A transformation matrix/imaging matrix is formed and applied to the congruent x-ray images based on the detected identic...
06/22/2010
7724874Radiation imaging apparatus, driving method thereof and radiation imaging system
A memory stores first image data for offset correction generated by performing an interlace scanning of the driving lines of odd rows only in a driving circuit unit. A memory stores second image data for offset correction generated by performing the interlace scanni...
05/25/2010
7715528X-ray diagnostic apparatus
X rays are emitted without injecting an angiographic contrast material, and a non-injection image acquiring device 7 acquires a non-injection image in the angiographic contrast material non-injection state. X rays are emitted after injecting the angiographic ...
05/11/2010
7711090Production of X-ray images containing a reduced proportion of scattered radiation
The invention relates to a method, to an X-ray apparatus for performing the method and to a detector arrangement intended for the latter, for producing X-ray images containing a reduced proportion of scattered radiation. The X-ray radiation is detected in this case ...
05/04/2010
7702074X-ray imaging device and X-ray imaging method
An X-ray generation unit and an X-ray detection unit are controlled by an imaging control unit when two-dimensional images of a sample without a contrast and two-dimensional images of a sample with a contrast are imaged, so as to set imaging angles of these two-dime...
04/20/2010
7609814Adaptive medical image and mask data processing system
A system and method are disclosed for allowing the user to change the patient table position or x-ray detector position during an angiographic roadmapping procedure while still displaying a properly registered roadmap display by adapting the mask image to the new po...
10/27/2009
7558372Method and device for the separate three-dimensional representation of the arterial and venous vascular system using C-arm angiography systems
The invention relates to a method and a device for the separate three-dimensional representation of arteries and/or veins in a vascular system of the body by means of a C-arm biplanar system having two C-arms, which can each record a sequence of x-ray images from di...
07/07/2009
7555100Long length imaging using digital radiography
A method for long length imaging with a digital radiography apparatus. Setup instructions are obtained for the image and a set of imaging positions is calculated for an exposure series according to the setup instructions. An operator command is obtained to initiate ...
06/30/2009
7551721X-ray diagnostic apparatus, image processing apparatus, and program
An X-ray diagnostic apparatus includes an image generating unit which generates a plurality of X-ray images by repeatedly radiographing a subject before and after injection of a contrast medium, a region detecting unit which detects a non-contrast region from a plur...
06/23/2009
7512214Radiography apparatus, radiography system, and control method thereof
A radiography apparatus includes a conversion unit having conversion elements arranged in a row-column pattern. In an object-image reading operation, the conversion unit detects an object image based on illuminated radiations, and a drive circuit drives the conversi...
03/31/2009
7508914Radiology device
A radiology device includes an X-ray source for exposing a subject to the radiation of said source, a converter for converting the X-rays into optical images so as to form primary optical images, a transformer for transforming the primary optical images into seconda...
03/24/2009
7492865Method for generating at least one offset-corrected X-ray image
In flat-panel X-ray detectors which have a multiplicity of detector elements which are in each case associated with one pixel of an X-ray image, the individual detectors generate offset signals. These offset signals are detected by recording offset images in which t...
02/17/2009
7483514X-ray imaging method and X-ray imaging system
An X-ray imaging system is constituted of: an X-ray imaging device that includes a scintillator, which converts an X-ray image to an optical image, and an imaging element, which acquires an X-ray observed image by detecting the optical image generated by the scintil...
01/27/2009
RE40607Methods and apparatus for scout-based cardiac calcification scoring
In one aspect, the present invention is a method for producing CT images of a patient's heart suitable for calcification scoring, in which the heart has a cardiac cycle. The method includes steps of acquiring data representative of a first scout-scanned CT image of ...
12/16/2008
7463715System and method for real time dual energy x-ray image acquisition
An improved system and method for using dual energy techniques for acquiring x-ray images in two and three dimensions is disclosed. An X-ray source and detector are mounted at opposite ends of a movable C-arm. A fast movement mechanism is provided to quickly and pre...
12/09/2008
7421061Method and medical imaging system for compensating for patient motion
The present invention relates to a method and also an imaging system to compensate for patient motion when recording a series of images in medical imaging, in which a number of images of an area under examination of a patient (17) are recorded at intervals wi...
09/02/2008
7412023X-ray diagnostic apparatus
A X-ray diagnostic apparatus includes an X-ray imaging unit including an X-ray tube and an X-ray detecting unit to generate an X-ray image, an image generating unit generating a 3D non-blood vessel image and a 3D blood vessel image from an original 3D image generate...
08/12/2008
7412031Radiation imaging apparatus, radiation imaging system and radiation imaging method
A computer-readable medium is encoded with a computer program for operating a computer to control a radiation detector and a display apparatus. The computer is operated to derive a processed image by subtraction processing of a first image derived by a first energy ...
08/12/2008
7412024X-ray mammography
A digital x-ray phase contrast soft tissue imaging and mammography system offers significant cancer detection sensitivity and a significant improvement in accurate detection and interpretation of mammograms. In addition, the proposed system produces digital mammogra...
08/12/2008
7391847System and method for dividing images
System and method for dividing radiological images. The method can include sending a first request to an image acquisition system to perform a first examination, sending a second request to the image acquisition system to perform a second examination, and combining ...
06/24/2008
7382858Radiation imaging apparatus
With the object of enhancing operability and executing imaging efficiently, a moving speed adjustment unit adjusts a speed at which a table section is moved within an imaging space of a scanning gantry, on the basis of a command from an operator when the scanning ga...
06/03/2008
7372943Method 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
7372934Method for performing image reconstruction using hybrid computed tomography detectors
A method for acquiring an image data set comprising energy integrating (EI) and energy discriminating (ED) data measurements is provided. The method comprises obtaining EI measurement data and ED measurement data during an acquisition cycle. The method then comprise...
05/13/2008
7366336System to link periodic X-ray images
A system includes acquisition of a plurality of images of a first portion of a body undergoing substantially periodic motion, acquisition of a second plurality of images of a second portion of the body, the second portion comprising a portion of the first portion, a...
04/29/2008
7360948Image capture device and methods
A novel image capture device, system and method are disclosed for use in capturing dental images. One or more devices are integrated within one or more components of the system. Examples of such devices include a radio frequency transmitter, a wireless receiver, a c...
04/22/2008
7352885Method and system for multi-energy tomosynthesis
Briefly in accordance with one embodiment, the present technique provides a multi-energy tomosynthesis imaging system. The system includes an X-ray source configured to emit X-rays from multiple locations within a limited angular range relative to an imaging volume....
04/01/2008
7352887Scatter 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
7352405Optical axis varying imaging device
An imaging device includes a matrix array of photosensor pixels. An effective area in the array is set to a first region during a first mode of operation of the imaging device, and is set to a second region during a second mode of operation of the imaging device. Th...
04/01/2008
7349522Dynamic radiation therapy simulation system
A system for dynamic treatment simulation for radiotherapy. Software is implemented on a computer system to perform dynamic simulation by displaying every segment of dynamic treatment beams on top of real-time fluoroscopic image sequences. Automated distortion corre...
03/25/2008
7343000Imaging apparatus and imaging system
An X-ray image radiographing system according to the present invention comprises an X-ray generator, a detection unit, a correction unit for performing a correction processing for the data outputted from the detection unit, and an output unit such as a monitor for o...
03/11/2008
7343196Cardiac CT system and method for planning and treatment of biventricular pacing using epicardial lead
A method for planning biventricular pacing lead placement for a patient includes obtaining acquisition data from a medical imaging system and generating a 3D model of the left ventricle and thoracic wall of the patient. One or more left ventricle anatomical landmark...
03/11/2008
7342999Method and apparatus for generation of a digital x-ray image of an examination subject
In a method and apparatus for generation of a digital x-ray image of an examination subject with an x-ray tube and a digital x-ray detector, a preliminary total dose required for correct exposure is determined using prior knowledge and a complete pre-image of the ex...
03/11/2008
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