This page is updated frequently with new Ct Scan-related patent applications.
|Object retopologizer hole refiller and retopologizing hole refilling|
A method and system for creating and refilling holes in image data is disclosed herein. The method can include receiving scanned image data that represents a tangible object, and that can be generated by an object scanner from the tangible object and converting the scanned image data to polygonal data that can be a collection of vertices, edges and faces.
|Method for reduction of artifacts and preservation of soft tissue contrast and conspicuity of iodinated materials on computed tomography images by means of adaptive fusion of input images obtained from dual-energy ct scans, and use of differences in voxel intensities between high and low-energy images in estimation of artifact magnitude|
Image processing method is presented along with reference source code and sample outputs. This method processes 2 (or more) input images which were obtained at different photon energies (or differing in another parameter), and produces an output image that emphasizes the best characteristics of each of the input images, while suppressing the undesired characteristics of each input image.
|Method for computing a ct scanner protocol|
A method and a system are disclosed for image acquisition, in which the protocol for controlling the ct scanner is computed automatically. The system includes a facility, which includes at least one ct scanner; a central pacs system in which image data and assigned metadata are stored as image data information, acquired with the facility; and an analysis unit, in terms of programming technology and/or circuit technology, for analyzing the captured image data information to automatically compute therefrom, the specific operating conditions and the facility-specific protocol parameters for the ct scanner protocol..
Siemens Healthcare Gmbh
|Storage device and a defect scanning of the same|
A defect scan method is carried out to detect a defective portion in a storage medium of a storage device, the storage medium including multiple storage regions including a first storage region and a second storage region. The defect scan method includes scanning a part of the storage regions of the storage medium to detect a defective portion therein, before the storage device is connected to a host, a scanned storage region including the first storage region and a non-scanned storage region including the second storage region, mapping logical addresses to physical addresses of a non-defective portion of the first storage region, scanning the second storage region to detect a defective portion therein, after the storage device is connected to the host, and mapping logical addresses to physical addresses of a non-defective portion of the second storage region..
Kabushiki Kaisha Toshiba
|Ct scans using gadolinium-based contrast agent|
A method of diagnosing a condition of a living subject that uses gadoxeate disodium as a contrast agent for making images such as ct scans of the biliary tree and related anatomical structures. The method uses x-ray radiation generated with excitation voltages in the range of 70 kv to 140 kv.
University Of Massachusetts Medical School
|Optical surface identification for laser eye surgery|
Systems and methods automatically locate optical surfaces of an eye and automatically generate surface models of the optical surfaces. A method includes oct scanning of an eye.
|Determining pet scanning time|
A method and apparatus for determining pet scanning time are provided. According to an example of the method, a ct image is divided into multiple single-bed ct images according to bed information of bed positions for a pet scan, wherein the ct image is obtained by performing a ct scan on a subject of the pet scan, and a one-to-one corresponding relation exists between the multiple single-bed ct images and all of the beds.
Shenyang Neusoft Medical Systems Co., Ltd.
|Spatial registration of positron emission tomography and computed tomography acquired during respiration|
A method is disclosed for correcting the mismatch between computed tomography (ct) scan and positron emission tomography (pet) scan modalities caused by patient respiration by selecting pet image slices aligned with the phase and amplitude in which the ct was acquired pet image slices so they are aligned with the phase and amplitude in which the ct scan was acquired.. .
Siemens Medical Solutions Usa, Inc.
|An imaging toolbox for guiding cardiac resynchronization therapy implantation from patient-specific imaging and body surface potential mapping data|
The present invention is directed to a method for combining assessment of different factors of dyssynchrony into a comprehensive, non-invasive toolbox for treating patients with a crt therapy device. The toolbox provides high spatial resolution, enabling assessment of regional function, as well as enabling derivation of global metrics to improve patient response and selection for crt therapy.
The Johns Hopkins University
|Vertical scan imaging system|
An imaging system and methods including a gantry defining a bore and an imaging axis extending through the bore, and at least one support member that supports the gantry such that the imaging axis has a generally vertical orientation, where the gantry is displaceable with respect to the at least one support member in a generally vertical direction. The imaging system may be configured to obtain a vertical imaging scan (e.g., a helical x-ray ct scan), of a patient in a weight-bearing position.
Mobius Imaging, Llc
Systems and methods for recommending a retail location
A method and a system are disclosed for generating a recommendation of a retail location on a network-based system. For example, a system may obtain a retail location definition associated with a geographic location.
Heart tissue surface contour-based radiosurgical treatment planning
A system that generates a three-dimensional model of a tissue surface, for example the inner surface of the heart from two-dimensional image data slices. On this surface, one or more pattern lines are drawn, e.g., by a physician using a user interface, to designate desired lesion(s) on the surface.
Radiolucent ecg electrode system
Disclosed is an ecg electrode lead system suitable for use during imaging procedures such as, without limitation, ct scans or mri and methods of use. In embodiments, the system includes an ecg electrode connector formed from radiolucent materials to enhance performance during imaging procedures by reducing or eliminating shadows on imaging media.
Attenuation-based optic neuropathy detection with three-dimensional optical coherence tomography
Optical coherence tomography (oct) scan data of a subject is acquired over a region of interest which can include an optic disc or a macula of a retina. Layer boundaries of retinal layers are identified in the oct scan data to facilitate measurements.
Kabushiki Kaisha Topcon
Image processing method, image processing apparatus and radiation tomographic imaging apparatus, and program
To reduce streak-like artifacts more in a radiation tomographic image: there is provided an image producing apparatus comprising: a processing component configured to, in scan data acquired by a radiation ct scan, apply suppression processing with which noise components are suppressed to a high noise level portion having a radiation detection level lower than a specified threshold, and apply enhancement processing with which noise components are enhanced to a low noise level portion having a radiation detection level equal to or higher than the specified threshold; and a reconstructing component configured to reconstruct an image based on the scan data subjected to the processing by the processing component.. .
General Electric Company
Direct scan access jtag
The present disclosure describes novel methods and apparatuses for directly accessing jtag tap domains that exist in a scan path of many serially connected jtag tap domains. Direct scan access to a selected tap domain by a jtag controller is achieved using auxiliary digital or analog terminals associated with the tap domain and connected to the jtag controller.
Texas Instruments Incorporated
In an example, a method for air calibration is provided. An initial scanning condition may be generated from a subject scanning sequence of medical equipment, wherein, the subject scanning sequence is generated when a subject is scanned by the medical equipment to obtain an image of the subject and recorded in association with a subject id uniquely identifying the subject.
Shenyang Neusoft Medical Systems Co., Ltd.
Computed tomography apparatus and reconstructing a computed tomography image by the computed tomography apparatus
A computed tomography (ct) apparatus includes a reconstruction unit which reconstructs a first ct image corresponding to a field of view (fov) by using a first sinogram acquired by a ct scan of an object; and a correction unit which acquires a second sinogram by performing forward projection on the first ct image and acquires a second ct image by using the second sinogram and a third sinogram representing a portion of the object that is not included in the fov. Thus, the ct apparatus reduces generation of image errors to thereby provide a high-quality reconstructed ct image..
Samsung Electronics Co., Ltd.
Computed tomography self-calibration without calibration targets
Approaches related to performing calibration of a ct scanner or of processes (e.g., correction and/or reconstruction) performed on acquired ct scan data are described. In certain described approaches, calibration is attained without performing a calibration scan using a dedicated calibration phantom.
General Electric Company
X-ray ct scanning and dual-source ct system
A method is disclosed for x-ray ct scanning with a dual-source system, in which two radiation bundles are each delimited by diaphragms such that these radiation bundles are free of mutual points of intersection at least in the examination object. An embodiment of the invention also relates to a dual source ct system, including a controller configured to control radiation-delimiting diaphragms, which delimit and align the radiation bundles such that these run free of mutual points of intersection at least in the examination object..
Ct scan inflatable mattress
An inflatable mattress includes a top panel, a bottom panel, and a side panel coupled between a perimeter of the top panel and a perimeter of the bottom panel. The side panel defines a cutout sized and configured to receive a headrest therein.
Woodlark Circle, Inc.
Universal computerized tomography fixture system with a multi-scan robotic positioning apparatus
A fixture and a method for using a fixture in a computerized tomography (“ct”) scan system of an electronic device are disclosed. The fixture is designed to reduce attenuation of radiation passing through the fixture to improve the ct imaging, particularly the imaging of one or more components in the electronic device.
Methods for stent strut detection and related measurement and display using optical coherence tomography
In one embodiment, the invention relates to a processor based method for generating positional and other information relating to a stent in the lumen of a vessel using a computer. The method includes the steps of generating an optical coherence image data set in response to an oct scan of a sample containing at least one stent; and identifying at least one one-dimensional local cue in the image data set relating to the position of the stent..
Lightlab Imaging, Inc.
An ultrasound imaging system and an ultrasound imaging method
The present invention provides an ultrasound imaging system and an ultrasound imaging method for improving the imaging quality of the desired imaging plane in the volume of interest of a subject. According to the present invention, it is possible to directly scan the desired imaging plane by exploiting the capability of a 2d matrix ultrasound transducer and/or the flexibility of the position/orientation of the ultrasound probe.
Koninklijke Philips N.v.
Systems and methods for guided selection of acquisition parameters for medical imaging
Systems and methods are provided that receive a clinical identifier, an acquisition condition target, and one or more patient characteristics. The systems and methods further generate a scan attribute based on the clinical identifier.
General Electric Company
Magnetic field actuation of detectors in a computed tomography scanner
A ct scanner apparatus includes an x-ray source mounted on a gantry of the ct scanner apparatus and configured to emit x-rays, and at least one magnetic field gradient circuit. The at least one magnetic field gradient circuit and the x-ray source rotate together.
Toshiba Medical Systems Corporation
Mobile communication apparatus and radio communication method
A first radio communication interface performs communication over a first radio communication network. A second radio communication interface executes a first scan to detect an access point of a second radio communication network and measure a signal level of reception signals received from the detected access point.
Using 3d computed tomography to analyze shaped charge explosives
A method may include positioning at least one calibration disk in a computed tomography (ct) scanner and positioning a pellet in the ct scanner. The at least one calibration disk and the pellet may both be made of a same powder exhibiting a known density.
Halliburton Energy Services, Inc.
Method and tooth body automatic preparation by digital controlled laser light and tooth retainer
A digital control laser automatic tooth preparation method and device and a tooth positioner are provided. The device includes an intra-oral three-dimensional scanner, a dental laser, an oral working end of a digital control laser tooth preparation control system, an oral and maxillofacial cone beam ct scanner, a computer, a tooth positioner, a negative-pressure suction device and a real-time monitoring device.
Peking University School Of Stomatology
Continuous shrink reduction system sensitivity adjustment
Various embodiments herein each include at least one of systems, methods, software, and devices, such as product scanners (e.g., barcode scanners), that continuously adjust fraud-detection sensitivity levels of fraud-detection processes. Adjustments of fraud-detection sensitivity levels are made to maximize actual fraud detection while also minimizing false detections based on changing environmental, transaction, and customer and employee behavioral conditions and factors..
Method and the correction of magnetic resonance scan data
In a method and magnetic resonance (mr) apparatus for correcting mr scan data, an mr scanner is operated to acquire first and second correction data sets respectively from first and second sub-volumes of a correction volume, by successive executions of an echo planar imaging sequence. The mr scanner is also operated to acquire third and fourth correction data sets respectively from third and fourth correction sub-volumes, also by successive executions of the echo planar imaging sequence.
Siemens Healthcare Gmbh
Optimised 4d cone beam computed tomography projection allocation
A method, and a system when implementing a method, of reducing artefacts in image creation in 4d cone beam computed tomography (4dcbct) images, the method comprising the steps of: (a) performing a 4dcbct scan of a target patient including a series of spaced apart projections through the target patient, with each projection having an associated estimated or measured respiratory state; (b) initially dividing the series of projections into a corresponding series of respiratory bins, with each respiratory bin having projections substantially from a portion of a cyclic respiratory state; and (c) optimising the projections at the bounds of each respiratory bin so as to improve an image quality measure of the images.. .
The University Of Sydney
Ecg electrode connector
Disclosed is an ecg electrode lead wire connector which provides improved electrical and mechanical coupling of the ecg electrode press stud to the lead wire and is suitable for use during imaging procedures such as, without limitation, ct scans or mill. The connector assembly includes a housing having.
Systems and methods for eye tracking for motion corrected ophthalmic optical coherenece tomography
Systems and methods for eye tracking for motion corrected ophthalmic optical coherence tomography (oct) are disclosed. According to an aspect, an imaging system includes an eye tracking device configured to determine movement of an eye.
Method of scanning aerofoil blades
A method of ct scanning a plurality of aerofoil blades that includes providing a rotatable support arranged for rotation about an axis of rotation and within an energy beam; mounting a plurality of aerofoil blades to the support in spaced-apart relationship to one another to form at least one array around the axis of rotation; and rotating the support about the axis within the beam. Each blade has an aerofoil section and is mounted to the support.
Method of scanning aerofoil blades
A method of ct scanning a plurality of aerofoil blades. The method includes the steps of: providing a rotatable support arranged for rotation about an axis of rotation and within an energy beam; mounting a plurality of aerofoil blades to the support in spaced-apart relationship to one another so as to form at least one array around the axis of rotation; and rotating the support about the axis within the beam.
Extended duration optical coherence tomography (oct) system
This disclosure relates to the field of optical coherence tomography (oct). This disclosure particularly relates to methods and systems for providing larger field of view oct images.
California Institute Of Technology
Determination of a time-dependent contrast agent injection curve as a function of ct scan parameters
A method for the automatic determination of a contrast agent protocol for a contrast agent-enhanced medical imaging method is described. The method includes an overview recording of a region of interest of an object under examination.
Bayer Pharma Aktiengesellschaft
Portable head ct scanner
A portable ct scanner may include a rotatable frame with separable portions. An x-ray source may be coupled to one portion of the rotatable frame, and an x-ray detector may be coupled to another portion of the rotatable frame.
System and enhancing consumer ability to obtain information via bar codes
Systems and methods of a portable communications device and a product exchanging direct commands or requests via bar codes to address a condition of the product are provided. Some methods can include the portable communications device scanning a bar code displayed on the product and generating and displaying a bar code to be scanned by the product, wherein the bar codes represent direct commands or requests to be executed by the portable communications device or the product to address the condition of the product.
Honeywell International Inc.
Device and determining the diameter of a yarn balloon formed by a running yarn at a workstation of a textile machine
A device for determining the diameter of a yarn balloon (b) formed by a running yarn at a workstation (1) of a textile machine utilizes a mechanical, contact scanning sensor (22), which is designed and arranged so that during the operation of the workstation (1) it is positioned by a yarn forming the yarn balloon (b) in an operating position dependent on the diameter of a yarn balloon (b), and a sensor device (24) which detects the operating position (bs) of the scanning sensor (22).. .
Saurer Germany Gmbh & Co. Kg
Method and system for detection of bone structure
The present invention provides a method and system for detection of bone structure, the method executing operation process and image reconstruction according to an image of a skeleton captured by ct scanner, to present distributed state of a bone structural parameter of the skeleton for diagnosing. The method comprises allocating at least one bone from the image of the skeleton to be analyzed, wherein the image of the bone is composed by pixels, and each pixel includes luminance value positively relating to the bone structural parameter; aligning a major axis of inertia principal axis of the bone to a principal axis of cartesian coordinate; a cortical bone area of the bone intersecting at least one principal plane which is perpendicular to the principal axis, and each principal plane forming an outer contour line and an inner contour line of the cortical bone area; processing a analytic algorithm for the bone structural parameter, in the inner area of the outer contour line in the principal plane, to perform distributed state of the bone structural parameter along the outer contour line; calculating distributed state of the bone structural parameter along the outer contour line in each principal plane, to perform distributed state of the bone structural parameter of the bone; performing distributed state of the bone structural parameter of the bone by assembling distributed state of the bone structural parameter over the outer contour line of each principal plane, and performing distributed state of the bone structural parameter of the skeleton by assembling distributed state of the bone structural parameter of each bone..
National Applied Research Laboratories
Compact scanner assembly with a resonant scanner and two galvanometer scanners for multi region of interest (mroi) imaging and targeting of intact tissue
Provided herein are apparatuses and methods using a compact scanner assembly for multi region of interest (mroi) imaging and targeting of an intact tissue sample. The compact scanner assembly for mroi imaging, comprises a set of three electromagnetically actuated scanning mirrors, the first comprising a resonant scanner (r) driven at its resonant frequency, the second comprising a galvanometer scanner (g1) having a mirror (m1), the third comprising a galvanometer scanner (g2) having a mirror (m2), wherein the galvanometer scanners (g1) and (g2) are driven by a lower bandwidth control signal specifying an angle for mirror (m1) and (m2), wherein the scanners are arranged sequentially as (r) (g1) (g2), wherein the set of three scanning mirrors are within a single scanner assembly (rgg), wherein the compact scanner assembly for mroi combines raster scanning with random-access scanning to target multiple rois for targeting and imaging..
Vidrio Technologies, Llc
Method and apparatus of resampling and averaging to obtain tilted thick-slice computed tomography images
An apparatus and method for obtaining a thick-slice image from tilted thin-slice computed-tomography (ct) projection data. Tilted ct projection data is obtained for a series of projection planes, wherein the projection planes are parallel for all scans, and the translation direction between ct scans is not orthogonal to the projection planes (i.e., the projection planes are tilted relative to the translation direction between ct scans).
Toshiba Medical Systems Corporation
Using detectability index to determine x-ray tube current
A computed tomography (ct) image apparatus includes an x-ray source to emit x-rays; and processing circuitry configured to receive a desired detectability index set by a user, the desired detectability index determining for a desired image quality of a ct scan of an object; determine an x-ray tube current that will result in the desired detectability index set by the user; and cause the x-ray source to perform a scan of the object using the determined tube current.. .
Toshiba Medical Systems Corporation
Item substitution fraud detection
Various embodiments herein each include at least one of systems, methods, software, and devices, such as product scanners e.g., barcode scanners) enabled to detect item substitution fraud during a checkout process at facilities, such as retail outlets. One method embodiment that may be performed in part on a product scanner, includes detecting, on a point-of-sale (pos) terminal, an event occurrence associated with at least one validation process.
Product scanner and list management device
Systems, methods, apparatus, and articles of manufacture for product scanning and list management are provided.. .
Method of surgical planning
A method of pre-operatively forming a surgical splint configured to receive a patient's dentition can include combining a 3-d facial computer model and a 3-d dental computer model. The method includes the step of obtaining a 3-d facial computer model of at least the patient's maxilla, mandible, and dentition from a ct scanner and the step of obtaining a 3-d dental computer model of the patient's dentition with an optical scanner.
Depuy Synthes Products, Inc.
Methods of measuring total retinal blood flow using en face doppler oct
Methods of performing en face doppler total retinal blood flow measurement are disclosed. The methods involve obtaining a set of structural oct scans; calculating a noise-reduced set of doppler phase shift images by dividing the full spectrum oct fringe data into a set of narrower filtered frequency bands for phase shift calculation; removing bulk motion along a depth direction; detecting retinal vessels in the set of images; applying a phase unwrapping algorithm to the images; classifying the vessels as veins and arteries; and calculating total retinal blood flow based on that classification..
Oregon Health & Science University
Method of determining distortion and/or distortion correction for projection image obtained during computer tomography routine
The subject of the invention comprises method of determination of distortion value and/or distortion correction value for a projection image obtained during computer tomography routine, with application, in particular, in control of the scanning process. The method is characterised in that during the first stage, during object scanning, the value of image distortion and/or its possible change present in individual projection images is determined, by determining the central point, namely the detector spot which receives the most intense irradiation from the x-ray source and/or by determination of calibration image and projection image parameter deviation and/or by comparison of projection images, including comparison of projection images with calibration images.
Uniwersytet Slaski W Katowicach
Dual-energy cone-beam computed tomography with a multiple source, single-detector configuration
The present invention is directed to a system and method for dual-energy (de) or multiple-energy (spectral) cone-beam computed tomography (cbct) using a configuration of multiple x-ray sources and a single detector. The x-ray sources are operated to produce x-ray spectra of different energies (peak kilovoltage (kvp) and/or filtration).
Carestream Health, Inc.
Saccharides and saccharide compositions and mixtures
Described herein are products comprising a xylose (e.g., d-xylose or l-xylose and another sweetener such as glucose). Exemplary products include the following: ice cream, ice milk, sorbet, sherbet, gelatin candies, baby food, animal food, e.g., dog, cat, canine, or equine food, seasonings, sauces, cosmetics, dietary supplements, lip stick, lip gloss, face and body preparations, pharmaceuticals, such as flu and cold preparations, nutraceuticals, surgical preparations, procedure preparations, imaging preparations, e.g., ct scan imaging preparations, pain relievers, nasal spray, cheese, vegetables, mayonnaise, mustard, salad dressings, nuts and nut mixes, cookies, pastries, fruit flavored snacks, pancakes, waffles, hot cocoa mix, caramel, shampoo, dental floss, donuts, egg noodles, lollypops, frozen pops, soda pop, chips, potato chips, tortilla chips, corn chips, sports drinks, rice cakes, oatmeals, teas, cereals, rice mixtures, flavored water, alcohol, alcohol mixers, soaps, energy drinks, coffee, coffee flavored drinks, coffee products, cake mixes, chili, chip dip, chip sauces, fibers, such as cellulosic and lignocellulosic fibers and fiber supplements, meats, e.g., deli meats, drink mixes, pasta, meals ready to eat, coconut water, candies, e.g., hard and soft candies, chocolate, candy bars, sports bars and energy bars.