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6768784 |
X-ray image enhancement
A fluoroscopic imaging apparatus is provided. The apparatus includes an x-ray source for projecting x-rays through a subject. The x-ray source has a voltage and a current associated therewith. The...
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6768421 |
Container crane radiation detection systems and methods
A container crane assembly is operable to lift shipping containers for transfer between a dock and a ship transporting the containers. Typically, the container crane includes a hoist attachment...
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6766043 |
Pleural nodule detection from CT thoracic images
An algorithm is disclosed that recovers regions of possible pleural nodules left out of an organ field or otherwise undetected due to the nature of low level image processing in the organ field. A...
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6766044 |
Image processing apparatus and method, and storage medium
A discrete wavelet transformer computes the discrete wavelet transform of an input X-ray image, a quantizer quantizes coefficient values corresponding to a region of interest of the transformed...
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6764217 |
X-ray diagnosis apparatus
An X-ray diagnosis apparatus includes an X-ray tube, an imaging system which detects X-rays emitted from the X-ray tube and transmitted through an object to be examined and generates X-ray image...
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6763084 |
Method for operating an image system of an imaging medical examination device and medical examination device
In a method for operating an imaging medical examination device ( 1 ), an event of the undisturbed operation of the medical examination device ( 1 ) automatically triggers a defect determination (...
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6760401 |
Apparatus and method for processing of digital images
This invention relates to an apparatus and method for improved display of small dark structures such as in particular coronary blood vessels in digital X-ray images. A live image (S) is initially...
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6757354 |
Multi-view x-ray imaging of logs
A method and apparatus is disclosed for mapping the relevant material properties of a log, such as knot location and extent. The outer shape of the log under bark is also revealed using this...
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6757418 |
Method and system for automatic computed radiography (CR) image composition by white band detection and consistency rechecking
A method for automatic CR image composition includes the following steps for each image in a CR image pair. A vertical gradient image is projected onto a y-axis to obtain a y-axis projection. Edge...
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6754297 |
Apparatus and method for three-dimensional real-time imaging system
A computing device in a three-dimensional imaging system utilizes a plurality of distance readings and reference readings from the at least one subject sensor to determine a subject location and a...
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6751286 |
Computed-tomography system with filtering
A computed-tomography system comprises a data-processing system arranged to receive attenuation profiles for respective orientations. A lowest representative noise level of the individual...
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6748049 |
X-ray camera
X-ray camera of the present invention comprises an X-ray irradiation unit, an X-ray image sensor, a controller having a correction factor setting unit, a correction factor storage unit and a...
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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...
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6745066 |
Measurements with CT perfusion
A CT scanner ( 10 ) for obtaining a medical diagnostic image of a subject includes a stationary gantry ( 12 ), and a rotating gantry ( 14 ). The detected radiation is reconstructed and divided into...
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6744029 |
Method of and apparatus for correcting image sharpness in image reading system
Radiation image information is read from a stimulable phosphor sheet by line sensors and corrected for shading by a shading corrector. Thereafter, the radiation image information is corrected for...
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6744849 |
Image processing apparatus, image processing method, program, and storage medium
An image processing apparatus for processing a target radiation image generated by radiation transmitted through a radiographic object, which has an image data transforming device for practicing...
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6744848 |
Method and system for low-dose three-dimensional imaging of a scene
The present invention provides a system for imaging an object by irradiating it with low doses of radiation, such as x-ray, from a plurality of positions angularly distributed about the object, and...
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6738450 |
System and method for cost-effective classification of an object under inspection
The system and method enable cost-effective classification of objects, such as solder joints, that are under inspection. A classifier is operable to receive a feature vector f of an object under...
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6735272 |
Method and system for a customized patient report in imaging systems
A method and system for associating medical imaging data with a customized patient report. The system includes a memory for storing a plurality of patient specific attributes and a plurality of...
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6728333 |
Film density template and method for comparison of film exposure
The present invention provides an apparatus and method permitting one sheet of radiographic film to be exposed multiple times including a control unit for correcting the optical density of the film...
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6728334 |
Automatic detection of pulmonary nodules on volumetric computed tomography images using a local density maximum algorithm
A three dimensional mask of the lungs can be automatically created by thresholding, labeling connected components, selecting the dominant object, and alternately employing dilation and erosion...
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6724856 |
Reprojection and backprojection methods and algorithms for implementation thereof
Methods for projecting and backprojecting rays with respect to pixels/detector bins to attenuate/eliminate high-frequency artifacts, are disclosed. The first two methods are adaptations of...
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6724857 |
Method, apparatus and program for radiation imaging
To provide a radiation imaging method using a phase contrast method capable of imaging efficiently with high estimation accuracy of restoring phase. The radiation imaging method includes, the steps...
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6720966 |
Method for reconstructing 3D image data with respect to a volume of interest of an examination subject
In a method for reconstructing 3D image data, a number of 2D central projections from different projection directions is acquired with a planar detector and radiation emanating from a radiation...
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6721391 |
Remote baggage screening system, software and method
A computer readable medium encoded with a plurality of instructions for execution on at least one processor, the plurality of instructions performing a method of remote screening of items of...
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6718004 |
Methods and apparatus for coronary-specific imaging reconstruction
A method for imaging a desired coronary artery or desired portion thereof is provided. The method includes reconstructing a first 2D image of a first desired coronary artery branch segment...
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6714621 |
Method and apparatus for radiological examination by injection of a contrast medium
Method and apparatus for examination of a breast, in which a contrast medium is injected in the breast to be examined, an X-ray beam is emitted in the direction of the breast; a plurality of...
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6714622 |
Method and apparatus for producing an overall image from a number of partial images
In a method and apparatus for producing an overall image from a number of partial images which are produced successively for common playback, a first partial image is produced and stored, and at...
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6710341 |
Electron microscope equipped with X-ray spectrometer
An electron microscope is offered which is fitted with an X-ray spectrometer having a compact optical system and high resolution. The spectrometer has a spectrometer chamber whose inside is...
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6701174 |
Computer-aided bone distraction
A computer assisted orthopedic surgery planner software for generation of 3D (three dimensional) solid bone models from two or more 2D (two dimensional) X-ray images of a patient's bone. The...
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6701000 |
Solution to detector lag problem in a solid state detector
The present invention, in one form, includes a digital x-ray imaging system which, in one embodiment, collects projection data from a plurality of views and reduces artifacts caused by detector...
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6690762 |
N-dimensional data encoding of projected or reflected data
A system, method, and computer-readable medium formats imaging data associated with an object in an n-dimensional file format. Once two-dimensional imaging ray data (projected or reflected data) is...
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6690965 |
Method and system for physiological gating of radiation therapy
A method and system for physiological gating for radiation therapy is disclosed. According to an aspect, the invention comprises the use of an optical or video image system to measure regular...
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6687394 |
Method and apparatus for quantifying image
The image quantifying method and apparatus perform quantification from two-dimensional digital image information. The method and apparatus set a background region which is not including a region of...
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6687329 |
Computer aided acquisition of medical images
The invention provides a technique for acquiring subsequent image data in a medical diagnostic context based upon analysis of initial image data. The initial image data is processed via a computer...
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6678399 |
Subtraction technique for computerized detection of small lung nodules in computer tomography images
A method, system, computer readable medium and apparatus for computerized detection of lung nodules in computer tomography images, by which mask images are created such that subtractions of the...
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6674833 |
Virtual fluoroscopic system and method
A method and system for obtaining desired subsurface views of a patient target site are disclosed. The system includes a scan-data file for storing, in digital form, volumetric scan data of a...
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6666579 |
Method and apparatus for obtaining and displaying computed tomography images using a fluoroscopy imaging system
A medical imaging system is provided for diagnostic and interventional procedures. The system includes a C-arm having an x-ray source and a receptor for obtaining fluoroscopic images of a patient....
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6661873 |
Motion artifacts reduction algorithm for two-exposure dual-energy radiography
The present technique provides a variety of processing schemes for decomposing soft tissue and bone images more accurately from low and high-energy images acquired from an imaging system, such as a...
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6662041 |
Imageable biopsy site marker
A biopsy site marker comprises small bodies or pellets of gelatin which enclose substantially in their interior a radio (X-ray) opaque object. The gelatin pellets are deposited into the biopsy...
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6661869 |
Image reconstruction using multiple X-ray projections
A method for reconstructing two and three dimensional images of objects using X-ray image projections and iterative reconstruction techniques is provided. More specifically, the method provides an...
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6650730 |
Filter assembly for X-ray filter system for medical imaging contrast enhancement
A system for creating an image of the internal features of an object includes an X-ray source and detector array positioned to interpose the object between the X-ray source and the detector array....
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6650729 |
Device and method for adapting the radiation dose of an X-ray source
The invention relates to a method and a device for adapting a radiation dose of an X-ray source ( 1 ). The X-ray source ( 1 ) irradiates an object to be examined, for example, a patient ( 4 ), so...
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6647283 |
Method for examining a living subject by non-invasive imaging employing a contrast agent
In a method for examining a living subject with an imaging method making use of the concentration of a contrast agent having a physical property that is identifiable with the imaging method in a...
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6633626 |
Methods and apparatus for correcting scatter
A method for removing scatter in an image includes acquiring data of an object of interest, and using an iterative equation including a thickness-dependent kernel modulation factor to reconstruct...
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6628747 |
System and method for dual-beam internal reflection tomography
A methodology and concomitant system for three-dimensional near-field microscopy achieves subwavelength resolution of an object without retrieval of the optical phase. The features of this approach...
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6628749 |
Systems and methods for intensity correction in CR (computed radiography) mosaic image composition
Systems and methods for correcting the image intensity of under-exposed regions of CR (computed radiography) images for mosaic composition. In one aspect, a method for generating a mosaic CR image...
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6628745 |
Imaging with digital tomography and a rapidly moving x-ray source
A digital tomography system includes an electron source that provides a beam of electrons, and an electromagnet assembly that receives said beam of electrons and is configured and arranged to...
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6618604 |
Method and apparatus for correcting the offset induced by field effect transistor photo-conductive effects in a solid state x-ray detector
A method and apparatus for correcting the offset induced by Field Effect Transistor (FET) photo-conductive effects in solid state x-ray detectors includes dedicating rows at the beginning and end...
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6618467 |
Megavoltage computed tomography during radiotherapy
Reduced dose megavoltage CT images are obtained using low flux data resulting from leakage through modulating shutters and/or collected by other means and augmented by incomplete high flux data...
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