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5604780 |
Method for processing a radiation image
A method for processing a radiographic image to obtain a processed image signal Sproc based on an original image signal Sorg. The method including the steps of: obtaining the original image signal...
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5604781 |
Medical X-ray imaging apparatus
The present invention provides an X-ray tomographic imaging apparatus, wherein image degrading components caused by a CCD sensor (3c) or the like are reduced so as to obtain high-quality X-ray...
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5602891 |
Imaging apparatus and method with compensation for object motion
An apparatus and method for generating a data set representation of an object or tissue are described. Two image representation data sets for the object or tissue are generated by a CT or MRI scan...
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5596620 |
X-ray based extensometry device for radiography
An apparatus which allows monochromatic radiographs to be produced using conventional "table top" Coolidge tube generated x-rays, comprises of the use of known bent crystal x-ray diffractive optics...
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5583904 |
Continuous linear scan laminography system and method
An improved laminography system that allows generation of high speed and high resolution X-ray laminographs by using a continuous scan method with two or more linear detectors and one or more...
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5572037 |
Digital imaging using a scanning mirror apparatus
Method and apparatus for generating a large-field, high-resolution digital image of an object by sequentially generating multiple optical scenes representative of different portions of the object,...
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5561696 |
Method and apparatus for inspecting electrical connections
A method and apparatus which incorporate self learning techniques for the detection of solder defects and for statistical process control of solding operations on printed circuit board assemblies...
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5528656 |
Method and apparatus for sampling an object
An improved digital image sampling arrangement samples only one pixel of a predetermined region of pixels and assigns a density value to that pixel. The remaining, unsampled pixels of the region...
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5524622 |
Non-invasive method of determining inflammation of the gastrointestinal tract
A non-invasive method of determining the presence of inflammation in a region of the gastrointestinal tract of an organism comprises introducing an arterial dilating agent into the circulatory...
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5506880 |
X-ray inspection system and method
An x-ray system and method capable of producing very accurate RTR images corrected for x-ray system inhomogeneities. A three-dimensional correction memory is used to store deviation information...
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5493517 |
Cargo container mapping system
A system for scanning the interior of a cargo container includes a propagator device for producing a magnetic field at each of (I) positions adjacent a first side of a cargo container and a...
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5485371 |
Method for forming energy subtraction radiation images, and method and apparatus for smoothing radiation images
A method and apparatus for forming an energy subtraction image comprises recording a plurality of radiation images of an object on recording media by irradiating several kinds of radiation with...
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5461655 |
Method and apparatus for noise reduction
A noise reducing method and associated apparatus for use in a medical radiographic imaging system wherein an image represented by an array of pixels is processed and the processed image is recorded...
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5434902 |
Imaging system with means for compensating vignetting and x-ray examination apparatus comprising such an imaging system
Compensating for vignetting (loss of brightness at the edge of an image) is achieved by electronically multiplying the pixel-values of the vignetted image by a gain characteristic so as to obtain...
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5418373 |
Method for forming radiation images
A tube voltage, at which each of at least two kinds of radiation having different energy levels is produced, is adjusted such that a ratio between a change in the image density of bones, which...
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5404387 |
Body scanning system
The invention concerns a method and apparatus for scanning bodies, typically human bodies (12) for security or medical purposes. In the method, the body (12) is scanned with a beam (20) of...
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5386450 |
X-ray photographing system
An X-ray photographing system obtains a temporal differential image from live images picked up with the position of a bed (5) on which a patient is laid being unchanged. The temporal differential...
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5379336 |
Hybridized semiconductor pixel detector arrays for use in digital radiography
A solid state x-ray detector which is a two-dimensional array of individual pixel elements is described. The hybrid semiconductor construction produces detector elements with high spatial...
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5379334 |
Object testing system
A simplified and improved object testing system which, according to the present invention, includes a first and a second imaging system for generating a radiograph of the object as a visible image...
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5371672 |
Scintillation camera apparatus capable of quantitatively eliminating scattering signal components by setting multiple window and method for quantitatively eliminating scattering signal components
In a scintillation camera apparatus, a gamma-ray scattering signal component is removed from gamma-ray spectral energy distribution data. A scattering component removing method first detects an...
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5369678 |
Method for tracking a catheter probe during a fluoroscopic procedure
A common application of X-ray fluoroscopy is in monitoring the location of a catheter inside a body. Such catheters may be used for balloon angioplasty, laser ablation, or like procedures that are...
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5367552 |
Automatic concealed object detection system having a pre-scan stage
An apparatus for detecting concealed objects, such as explosives, drugs, or other contraband is disclosed. The apparatus uses CT scanning to identify concealed objects with a density corresponding...
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5365562 |
Digital imaging apparatus
A medical imaging system (10) which is readily adaptable to suit specific imaging conditions is disclosed. The system comprises an imaging signal source (12) for transmitting a first imaging signal...
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5357549 |
Method of dynamic range compression of an X-ray image and apparatus effectuating the method
The dynamic range of density or intensity values of pixels in an X-ray image is compressed in a manner preserving the range which is of primary interest for diagnosis, while still allowing...
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5350351 |
Medical treatment installation having an imaging system and a therapy field transmitter for treating a subject
A medical treatment installation having an imaging system and a transmitter which generates a focused therapy field, such as focused shockwaves, for treating a pathology in a region of a patient...
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5349624 |
Solid particle contaminant detection and analysis system
Samples of particulate soil contaminated with solid particles having higher -ray absorption coefficients than the soil, are irradiated with a microfocused X-ray beam within an analysis zone to...
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5347563 |
Method for determining the function representing the effect of non-reciprocity of a radiographic film
The invention relates to radiology systems and, more particularly in such systems, to a method that enables the effect of non-reciprocity of the radiographic film to be determined. This effect of...
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5337341 |
X-ray radiographic apparatus
An X-ray radiographic apparatus has an electronic shutter circuit operable at a photographing time to vary time for storing electric charges in a CCD image pickup device. This avoids saturation of...
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5317617 |
Method and apparatus for mounting the detector array of a CT scanner to a radiation therapy simulator
Method and apparatus for storing and moving an x-ray detector assembly in and out of the field of radiation produced by a radiation therapy simulator source while remaining affixed to the gantry of...
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5315631 |
Method of generating X-ray images, and X-ray apparatus for carrying out the method
X-ray images are generated from a CCD image sensor having an image section and at least one storage section by performing a first X-ray exposure during a first time interval (T 1 ) which is shorter...
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5309496 |
Filmless X-ray apparatus and method of using the same
A filmless X-ray apparatus and method of using the same include an X-ray source for directing X-rays through a subject such as an animal, human, or luggage in an airport security scanner into a...
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5305368 |
Method and apparatus for piece-wise radiographic scanning
A scanning radiographic densitometer constructs a broad area, two dimensional projection image from a combination of a set of smaller fan beam scans by tilting the axis of each such smaller scan to...
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5293574 |
Digital x-ray imaging system with automatic tracking
An x-ray fluorographic system which produces a cineangiogram enables a feature in the image to be identified with a cursor and automatically tracked in subsequent images. The identified feature,...
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5291535 |
Method and apparatus for detecting excess/insufficient solder defects
A method and apparatus for the detection of excess or insufficient solder conditions at electrical connections on printed circuit boards are disclosed. The invention analyzes a cross-sectional...
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5285490 |
Imaging combination for detecting soft tissue anomalies
A radiographic imaging combination that is capable of detecting soft tissue anomalies is described. This combination is particularly effective for neonatal radiography and comprises a source of...
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5265610 |
Multi-planar X-ray fluoroscopy system using radiofrequency fields
During an X-ray fluoroscopy procedure, the position and orientation of an invasive device, such as a catheter, are measured with radiofrequency fields. The invasive device has a transient coil...
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5263074 |
Spool distortion correction method for an x-ray radiograph diagnosis device
In accordance with the distortion correction method for an X-ray radiograph diagnosis device, the distortion center of the X-ray image is determined by use of a plate-shaped object having a...
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5255680 |
Automatic gantry positioning for imaging systems
A tracking system which measures the position and orientation of invasive devices is used to automatically control the location of the X-ray imaging system gantry and/or patient table. The position...
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5253282 |
System for selective material imaging
A dual energy x-ray system for determining bone density and the like compensates for variable flux density associated with the different absorptions and the production of the high and low energies...
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5251635 |
Stereoscopic X-ray fluoroscopy system using radiofrequency fields
During an X-ray procedure, the position and orientation of an invasive device, such as a catheter are measured with radio frequency fields and displayed stereoscopically. Instantaneous...
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5253283 |
Inspection method and apparatus with single color pixel imaging
An inspection system using penetrating radiation wherein pixels corresponding to transmitted radiation which has been attenuated to at least a predetermined level are displayed in a first color....
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5247555 |
Radiation image generating system and method
A radiation image generating system for providing planar and tomographic views of portions of a patient's anatomy for use in radiation therapy procedures comprises a fluoroscopic simulator...
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5237598 |
Multiple image scanning X-ray method and apparatus
X-ray examination of objects, which may be very large objects such as aircraft, boat hulls or lengthy pipelines, is accomplished with an x-ray source having a moving x-ray origin point that is...
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5235191 |
Real-time x-ray device
An x-ray imaging system includes an x-ray source for providing x-ray photons which are directed towards a subject and impinge on a scintillating screen. The scintillating screen converts the x-ray...
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5228071 |
CT system and method of using the same
A CT system for cross-sectional imaging and a method using the same are involved. A second table for fine adjustment of an object is arranged on a conventional first table for the object. The...
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5222484 |
Apparatus for shock wave treatment
An apparatus for shock wave treatment includes a shock wave transducer with a cup-shaped body and with an X-ray location finding device for finding the location of a bodily concretion or tissue to...
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5216250 |
Digital imaging system using CCD array
A digital imaging charge coupled device or CCD camera has a hollow camera body defining a sealable interior focal plane chamber enclosing a CCD array positioned to receive light focused thereon...
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5210415 |
Method and apparatus for forming energy subtraction images
Radiation images of an object are recorded by irradiating several kinds of radiation with different energy levels to an object constituted of tissues exhibiting different levels of radiation...
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5210688 |
Sinography method and apparatus
Tomography apparatus is used to irradiate a body cross section and acquire a relatively small amount of data which is mapped into a two dimensional array or sinogram and image enhancement...
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5195120 |
Method, tube and system for eliminating a fixed antiscatter grid in a radiological image
In a radiological apparatus using an antiscatter grid, this grid is kept fixed instead of being movable, and its image is removed by irradiating it as well as the object to be examined by two X-ray...
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