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7215730 |
Method and arrangement for multiresolutive reconstruction for medical X-ray imaging
A medical X-ray device arrangement for producing three-dimensional information of an object in a medical X-ray imaging, the medical X-ray device arrangement comprising an X-ray source for...
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7215734 |
Method and system for three-dimensional reconstruction of images
A method and system for three-dimensional reconstruction of images are provided. The method includes receiving projection data from an imaging device scanning an object, identifying projection data...
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7215735 |
CT image production method and X-ray CT system
A method to make a common procedure adaptable to reconstruction planes whose positions relative to a multi-channel detector are different from one another. A reference procedure required for...
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7215731 |
Fast backprojection/reprojection with hexagonal segmentation of image
A reprojection/backprojection technique and apparatus for carrying out such a technique provides a hierarchical solution to speeding-up reprojection and backprojection of tomographic images. In the...
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7212604 |
Multi-layer direct conversion computed tomography detector module
A computed tomography detector module is presented. The detector module includes a substrate having a topside and a bottom side. Additionally, the detector module includes a plurality of detector...
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7212101 |
Device for broadband electrical signal and/or energy transmission using a transmission system including couplers
An arrangement for broadband signal and/or energy transmission, between at least two units is disclosed. Said units may be displaced relative to each other along a track. Said arrangement comprises...
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7209535 |
Fourier space tomographic image reconstruction method
A generalized projection-slice theorem for divergent beam projections is disclosed. The theorem results in a method for processing the Fourier transform of the divergent beam projections at each...
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7206373 |
Computed tomography gantry
To enlarge the angle range to be covered, with a simultaneously smaller variance of the focal spots, in a gantry for a computed tomography at least two x-ray tubes are provided for generation of an...
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7206440 |
Image smoothing with decoupled regularization
A technique for simplifying the processing of tomographic imagery (e.g., CT and PET) via statistical smoothing is disclosed. An image smoothness criterion is imposed in the projection domain while...
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7203349 |
Bronchial wall thickening recognition for reduced false-positives in pulmonary nodule detection
A system and method for automatically reducing false-positive nodule candidates associated with airways includes receiving a nodule candidate, testing for airway cavities connected to the...
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7203266 |
Image display method and method for performing radiography of image
CT images are interpreted while being displayed in order (STEP S 16 ), and when a CT image is observed in which the presence of a lesion is suspected, an “Add Marker” button is clicked to add a...
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7203350 |
Display for computer-aided diagnosis of mammograms
A method for displaying a computer-generated determination of the likelihood of malignancy in a mammogram lesion. The method requires providing a digitized image of a mammogram, displaying the...
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7203268 |
X-ray CT system and X-ray apparatus
An X-ray CT system comprises: an X-ray generator that generates two cone beam X-radiations which pass through two successive slabs; an X-ray detector that detects a two-dimensional distribution of...
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7203267 |
System and method for boundary estimation using CT metrology
A technique is provided for CT reconstruction for use in CT metrology. The boundary based CT reconstruction method includes the steps of initializing a boundary of an object to obtain a boundary...
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7197107 |
X-ray CT apparatus and X-ray CT method
An X-ray computer tomography apparatus wherein a conical X-ray beam is radiated on a local area of an object while a rotary means with an X-ray generator and a two-dimensional X-ray image sensor...
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7197113 |
Contactless power transfer system
In accordance with one embodiment, a contactless power transfer system is provided that comprises a stationary member including a power input configured to receive power at first voltage from a...
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7197106 |
Detector for a computed tomography unit, and a computed tomography unit having such a detector
A detector and a computed tomography unit are disclosed. The detector includes a first detector region for acquiring projections of a first projection direction, and additionally includes at least...
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7194122 |
Medical tomography apparatus for generating a 2D image from a 3D dataset of a tomographic data
A medical tomography apparatus and method, a 3D dataset is generated in as picture elements arranged in a three-dimensional grid during the examination of a patient. Predefined surfaces are stored...
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7191101 |
Method of semiautomatic segmentation for the estimation of three-dimensional volumes
Method of estimation and segmentation of the volume of a three-dimensional object in medical imagery, in which:
one defines a given number of base points constituting a first...
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7187748 |
Multidetector CT imaging method and apparatus with reducing radiation scattering
A method for scanning an object to reduce image degradation includes scanning the object in a helical mode using a multi-slice CT imaging system having a plurality of detector arrays arranged along...
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7187756 |
X-ray CT apparatus and X-ray tube
An X-ray CT apparatus capable of imaging a subject based on X-rays of multiple energy levels while using an ordinary X-ray detector includes an X-ray tube which generates X-rays from multiple focal...
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7187794 |
Noise treatment of low-dose computed tomography projections and images
A method for treating noise in low-dose computed tomography projections and reconstructed images comprises acquiring raw data at a low mA value, applying a domain specific filter in a sinogram...
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7180975 |
System and method for exact image reconstruction for helical cone beam computed tomography including redundant data
A conebeam computed tomography scanner ( 10 ) acquires conebeam projection data along a generally helical source trajectory around an examination region ( 14 ). An exact reconstruction processor (...
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7177388 |
Computed tomography system
The present invention provides a computed tomography system that only requires rotational scans for image pickup, the system enabling images of a plurality of testing objects to be simultaneously...
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7177386 |
Breathing synchronized computed tomography image acquisition
A method for collecting computed tomography (CT) image data includes determining a number of intervals N into which a respiratory cycle is to be divided, determining a number of respiratory cycles...
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7170064 |
Radiation image generating system
A radiation image generating system, comprising: a plurality of radiation image detecting apparatuses, each including at least a scintillator layer having a scintillator to emit light according to...
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7170966 |
Practical implementation of a CT cone beam algorithm for 3-D image reconstruction as applied to nondestructive inspection of baggage, live laboratory animal and any solid materials
This invention uses the cone beam CT (Computer Tomography) principle to obtain nondestructive image of any object. For good reconstruction datasets from 2 orthogonal planes about the object are...
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7164745 |
X-ray CT apparatus
An X-ray CT apparatus comprises an X-ray radiation source configured to radiate X-rays toward an object, an X-ray detector including a plurality of X-ray detection segments, each of which includes...
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7164746 |
X-ray CT apparatus and imaging method
An imaging method for an X-ray CT apparatus having an X-ray source and an X-ray detector disposed to face the X-ray source with a subject placed therebetween, for rotating at least one of the X-ray...
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7162064 |
Method for operating a computed tomography device
A method for operating a computed tomograph device is provided by which volume data pertaining to a volume area of a test object can be recorded. A marking for identifying a reconstruction area to...
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7154987 |
Projection gating of x-ray CT scan
An x-ray CT system performs a scan by acquiring projection views from which an image is reconstructed. In a prospective embodiment, the correlation of adjacent views is calculated as the scan is...
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7154096 |
Diagnostic imaging device for medical use
A diagnostic imaging device is provided to detect cancers in early stages with a high degree of accuracy while minimizing the risk of X-ray exposure that can be caused by the X-ray CT examination,...
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7154985 |
Method and system for simulating X-ray images
The invention relates to simulating 2D X-ray images from 3D CT data. A user can access a repository of CT data of a patient's anatomy 2 by using a computer network system. The CT data has been...
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7155274 |
Optical computed tomography scanner for small laboratory animals
An optical CT scanner for small laboratory animals comprises a housing having a vertical through opening through which a test subject is passed through during a scanning session, the housing...
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7154988 |
X-ray computed tomographic imaging apparatus
An X-ray computed tomography apparatus includes a cone beam X-ray tube, an X-ray detector, a rotating mechanism for supporting the X-ray tube and X-ray detector, a moving mechanism for moving the...
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7151816 |
Imaging tomography apparatus having an attached patient support with a movable backrest
An imaging tomography apparatus, such as an x-ray computed tomography apparatus or a magnetic resonance tomography apparatus, has a patient bed that can be driven into a tunnel-shaped or annular...
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7149565 |
Tomogram creating method
An X-ray CT examination using a radiation examining apparatus corresponding to an X-ray CT is effected on an unbreathed examinee. A tomogram creating apparatus creates a first tomogram, based on an...
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7149276 |
System, method, and computer program product that corrects measured data
An x-ray computed tomography system, method, and computer product that generates an x-ray beam with an x-ray generator and detects with an x-ray detector at least one characteristic of the x-ray...
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7145979 |
X-ray CT image taking apparatus and X-ray CT image taking method
To obtain a tomographic image suffering little from artifact and the determination of the quality of image. (1) Step 1: With the axis of abscissas as the fan angle or channel direction of an X-ray...
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7145984 |
X-ray CT system, information processing method, and storage medium
A method to plan a scan in consideration of past patient exposures. The method includes a step of sampling information on a patient exposure the subject has received during a scan performed for...
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7142629 |
Stationary computed tomography system and method
A radiological imaging system includes one or more radiation sources substantially surrounding a desired portion of an imaging volume and configured to emanate a radiation beam from a plurality of...
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7142628 |
Computed tomography method
The invention relates to a computed tomography method in which a rebinning operation is carried out so as to form parallel fan beams whose rays traverse a plane, containing the axis of rotation, in...
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7139420 |
Method for tomographic reconstruction with non-linear diagonal estimators
Techniques for tomographic reconstruction using non-linear diagonal estimators are disclosed. In a preferred embodiment, tomographic data from a tomographic device is decomposed in a wavelet vector...
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7138635 |
Detector module for CT and/or PET and/or SPECT tomography
A detector module is for CT and/or PET and/or SPECT examinations, and includes a number of measuring channels. Each measuring channel includes a direct converter for directly converting incident...
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7139363 |
Oblique-view cone-beam CT system
An oblique-view cone-beam CT system comprising an X-ray source for irradiating an object with X-ray from an oblique direction with respect to a rotational axis of said object. A detector is...
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7139000 |
Method, system and computer product for displaying axial images
A method for displaying axial images that comprises receiving a reconstructed axial image. The reconstructed axial image includes a pre-selected number of completed reconstructed slices, a slice...
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7139368 |
X-ray CT apparatus
An X-ray CT apparatus has an operating guide unit for guiding a series of operations necessary from preparation till completion of scanning. The operating guide unit selectively displays a patient...
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7135687 |
Thermoelectrically controlled X-ray detector array statement regarding federally sponsored research
Disclosed is an X-ray detector assembly for use in a computed tomography system. The X-ray detector assembly comprises an array of detector cells coupled between two rails. A thermoelectric cooler...
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7127026 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method
A radiological imaging apparatus of the present invention includes an X-ray source for emitting an X-ray, a γ-ray detecting section for outputting a detection signal of a γ-ray, and an X-ray...
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7123691 |
X-ray computed tomography scanner
An X-ray computed tomography scanner that performs helical scanning based on a designated scanning range and collects X-ray projection data, comprising a determination unit which determines an...
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