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7620444 Systems and methods for improving usability of images for medical applications  
A method for retrospective internal gating is provided. The method includes scanning a patient to obtain projection data, generating images from the projection data, generating a signal...
7616729 Method for producing X-ray computer tomography images from limited data of an image object  
The invention relates to a method for producing computer tomography images from limited data of a region of interest of an image object which can be subject to changes, comprising the steps of ...
7613275 Method and apparatus for reducing cone beam artifacts using spatially varying weighting functions  
A method for combining images acquired using helical half-scan imaging comprises identifying an image plane within an overlap region comprising data from first and second view streams...
7613273 Apparatus with a moving system and a stationary system  
An apparatus includes a first, stationary system, in particular a stator, and a second system which is provided for moving relative to the first system, in particular an armature, a first and...
7609807 CT-Guided system and method for analyzing regions of interest for contraband detection  
A system and method for ascertaining the identity of an object within an enclosed article. The system includes an acquisition subsystem with a computed tomography machine and an alternate modality...
7609802 Method and system for reconstructing image volumes from helical scan acquisitions  
A method, computed tomography (CT) system and computer-readable medium for reconstructing an image volume of an object scanned in helical mode. An embodiment of the method includes determining...
7606348 Tomographic imaging systems and methods  
A method for operating an inspection system is disclosed in which an item under inspection may be moved between radiation sources and detectors illuminated by the sources. The radiation sources may...
7606345 X-ray CT apparatus  
An X-ray CT apparatus enables decreasing the degradation of image quality and reducing futile exposure to X-ray in a helical shuttle scan. The X-ray CT apparatus comprises: a gantry rotating device...
7603165 Method for acquiring PET and CT images  
A combined PET and X-Ray CT tomograph for acquiring CT and PET images sequentially in a single device, overcoming alignment problems due to internal organ movement, variations in scanner bed...
7603162 Imaging tomography apparatus with fluid-containing chambers forming out-of-balance compensating weights for a rotating part  
An imaging tomography apparatus, in particular an x-ray tomography apparatus or an ultrasound tomography apparatus, has a stationary unit with a sensor for measurement of an out-of-balance...
7602879 Method for increasing the resolution of a CT image during image reconstruction  
The resolution of an image produced by a CT imaging system is increased by employing an image reconstruction method that takes advantage of the redundant attenuation measurements made during a...
7599540 Motion compensated reconstruction technique  
The long scan time in PET imaging may lead to a significant loss of resolution, due to patient or organ motion. According to the present invention, the distortion or motion may be compensated by...
7599534 CAD (computer-aided decision) support systems and methods  
CAD (computer-aided decision) support systems, methods and tools are provided for automated decision support for screening, evaluating, and/or diagnosing medial conditions. For example, CAD support...
7599467 Device for contact-free transmission of signals and measured data in a computed tomography apparatus  
An x-ray computed tomography apparatus has a stationary unit and a rotatable unit, carrying an x-ray source and a radiation detector. The rotatable unit rotates around an axis relative to the...
7599466 Operating method for X-ray equipment  
A control device pivots an X-ray arrangement repeatedly between two final angular positions about a pivot axis. Projections of an object arranged in the region of the pivot axis and moving...
7599465 Detection of thrombi in CT using energy discrimination  
An imaging scanner includes a radiation source, a radiation detector, and a computer programmed to decompose CT data acquired by the radiation detector into a set of pixels, each pixel having at...
7599464 Method and computed tomography system for producing tomograms of an object  
A method and a computed tomography system are disclosed for producing computed tomograms of an object. A set of detector output data that represent beams over a specific angular range and a scan of...
7596252 Method for post-editing a medical image data set  
A method is for post-editing a first image data set using a post-editing software program, the image having initially been obtained using an image producing medical examination device, and a second...
7596204 Method and device for the iterative reconstruction of cardiac images  
The invention relates to a method and a device for the iterative reconstruction of cross-sectional images of the heart ( 7 ) of a patient based on projections (P 1 , . . . P 5 ) from different...
7596203 Computer tomography method  
The invention relates to a computer tomography method with a circular relative movement between the beam source and an iterative reconstruction method suitable therefor. The reconstruction method...
7596202 Imaging method with filtered back projection  
The invention relates to an imaging method, in which a projection data record of an examination area to be reconstructed is generated by acquiring projections from different projection directions,...
7593761 Method and apparatus of determining and displaying an artifact index  
An apparatus and process for determining and displaying an artifact index (AI) to a system operator are provided. The AI is determined by acquiring and processing imaging data of a phantom. The AI...
7593559 Method and system of coregistrating optical coherence tomography (OCT) with other clinical tests  
A method/system preserves annotations of different pathological conditions or changes that are recognized on cross-sections within a three dimensional volume of a patient's eye so that the...
7593503 Self-shielded CT scanner  
A CT scanner includes a pair of shields to protect an operator from x-rays from the CT scanner. The CT scanner has a gantry that provides structural support and housing for the components including...
7593502 Methods and apparatus for fast rotation speed scanners  
Methods and apparatus for an imaging system are provided. The imaging system includes a gantry having a stationary member coupled to a rotating member. The rotating member has an opened area...
7591590 Radiation attenuation system  
A radiation attenuation system for use with Computed Tomography procedures and a Computed Tomography having a radiation attenuation system are disclosed. The radiation disclosed attenuation system...
7590216 Cone beam local tomography  
Methods, systems and processes for providing efficient image reconstruction using local cone beam tomography which provide a reduced level of artifacts without suppressing the strength of the...
7590215 Coherent-scatter computer tomograph  
Conventional CSCT may require a complex reconstruction involving a large number of calculations. According to an exemplary embodiment of the present invention, additional collimators are used in...
7587022 Correlation-based motion estimation of object to be imaged  
An imaging system in an example comprises an x-ray source, a detector, a data acquisition system (DAS), and a computer. The x-ray source emits a beam of x-rays toward an object to be imaged. The...
7583785 Detecting apparatus and method for detecting an object by means of a projection through the object by means of x-rays, and a contrast—and noise-optimized quantum counting detector  
A detecting apparatus is disclosed for detecting an object by way of a projection through the object onto a detection plane. In at least one embodiment, the detecting apparatus has a transmitter...
7583784 Method for calculating computed tomography pictures from detector data of a CT having at least two radiation sources  
A method is for calculating computed tomography pictures from detector data of a CT that uses at least two radiation sources that generate different conical beams. A spatial distribution of...
7583783 X-ray computer tomograph and method for examining a test piece using an x-ray computer tomograph  
An x-ray computer tomograph, having an x-ray source that generates a fan beam of x radiation and having a two-dimensional energy-resolving detector array, both of which are situated on opposite...
7583782 X-ray CT apparatus and an image controlling method thereof  
An X-ray CT apparatus and image controlling method thereof that achieves a higher time resolution tomography image on a region of interest (ROI) of an object while reducing a total amount of X-ray...
7583781 X-Ray CT apparatus and method of controlling the same  
An X-ray CT apparatus includes an X-ray detector that is asymmetrically disposed with respect to an irradiation axis of an X-ray and first and second ends that are disposed close to and far from...
7583780 Systems and methods for improving a resolution of an image  
A method for reconstructing an image in a tomographic imaging system is described. The method includes improving a spatial resolution of the image by iteratively reconstructing the image.
7583779 System and method for acquisition and reconstruction of contrast-enhanced, artifact-reduced CT images  
A system and method are disclosed for reconstructing contrast-enhanced CT images that are substantially free of beam-hardening artifacts. An imaging system includes a radiation source configured to...
7583778 X-ray CT apparatus and X-ray CT backprojection operating method  
An X-ray CT apparatus is provided which can be suppressed or eliminated of aliasing occurrence in the R-R scheme. The X-ray CT apparatus has a reconstructing device for processing the collected...
7583777 Method and apparatus for 3D reconstruction of images  
A method for producing an image of an object includes scanning an object with an imaging apparatus to collect projection data of the object utilizing cone sampling. The projection data is rebinned...
7580501 CT image reconstruction method, CT apparatus, and program  
A CT image reconstruction method includes substituting other projection data, which has a predetermined positional relationship to projection data that is found defective during scanning, for the...
7580499 Coherent-scatter computed tomography  
Known reconstruction techniques from coherent scattered x-rays apply non-exact reconstruction techniques. According to the present invention, a relatively wide spectrum of wave-vector transfers q...
7574249 Device-less gating of physiological movement for improved image detection  
A method of imaging an object using a medical imaging system is provided. The imaging method acquires a stream of sinogram data. Changes in the stream of sinogram data corresponding to movement of...
7573974 Device and method for non-contact scanning of contact lens and contact lens mold geometry  
The invention relates to an apparatus and method for non-contact/non-destructive measurement of the geometry of molded ophthalmic lenses and the precision molds and tooling used in the manufacture...
7573973 Methods and systems to facilitate reducing cone beam artifacts in images  
Methods and systems for generating images from a set of projection data acquired during a CT scan is provided. The system includes a computer programmed to utilize at least one of a cone angle...
7570731 Imaging method with back projection  
The invention relates to an imaging method, especially a computerized tomography method, with which an object is penetrated by rays from different directions and measured values, which depend upon...
7570730 Multiple focus acquisition  
Image quality is an important feature for CT scanning, in particular for helical cone-beam CT scanning. By using projection data acquired at two different positions of the focal spot of the...
7567693 Methods for physiological monitoring training, exercise and regulation  
Computer executable software and device for guiding brain activity training comprising: logic which takes data corresponding to activity measurements of one or more internal voxels of a brain and...
7564937 X-ray CT device and method of controlling the same  
An X-ray CT device generates an X-ray beam in the shape of a cone along the body axis of a subject from an X-ray tube to the subject and detects the X-rays that pass the subject by a...
7561660 Radiation CT system and data acquisition system  
A CT system including a multi-array detector that includes a plurality of detector cell, a data acquisition system that acquires data items representing doses of radiation incident on the detector...
7561659 Method for reconstructing a local high resolution X-ray CT image and apparatus for reconstructing a local high resolution X-ray CT image  
Disclosed is a method for reconstructing an X-ray CT (computerized tomography) image. The method includes acquiring projection data by means of irradiation of X-rays on a target object at a...
7561658 Method and x-ray computed tomography system for visualizing at least two types of cardiac tissue: healthy tissue and diseased tissue  
A method and an x-ray computed tomography system are disclosed for visualizing at least two different types of cardiac tissue, such as normally perfused tissue, hypoperfused tissue and scarred...