This page is updated frequently with new Tomography-related patent applications.
| Method and computer program product for generating a high dissolved 3-d voxel data record by means of a computer|
The present invention relates to a method and a computer program product for generating a high-resolution three-dimensional (3d) voxel data set of an object. The high-resolution three-dimensional (3d) voxel data set is generated with the aid of a computed tomography scanner.
| Mirror based micromechanical systems and methods|
Unlike most mems device configurations which simply switch between two positions in many optical devices the state of a mems mirror is important in all transition positions. It may determine the characteristics of an optical delay line system and by that an optical coherence tomography system in one application and in another the number of wavelength channels and the dynamic wavelength switching capabilities in the other.
Gestion ValeÓ SociÉtÉ En Commandite (valeo Management L.p.)
| Segmented mrt|
A method and a magnetic resonance tomography system are provided. The magnetic resonance tomography system is activated for transmitting a gradient field by an amplifier and a control with a gradient signal for creating the gradient field.
| Zirconium-89 oxine complex as a cell labeling agent for positron emission tomography|
The invention provides a method of preparing a 89zr-oxine complex of the formula. The invention also provides a method of labeling a cell with the 89zr-oxine complex and a method for detecting a biological cell in a subject comprising administering the 89zr-oxine complex to the subject..
The United States Of America, As Repreesented By The Secretary, Department Of Health And Human Serv
| Computed tomography radiation dose checker|
Devices and methods for embedding a standard dose checker feature within existing ct systems by obtaining and analyzing information from the existing ct system, detecting a radiation parameter value therefrom, comparing the detected radiation parameter with a predetermined threshold, and generating an operation-signal to affect the operation of the ct system based on the comparison between the detected radiation parameter and the predetermined threshold and the state of the ct system.. .
Medic Vision Imaging Solutions Ltd.
| Task-less optical mapping of brain function using resting state functional connectivity|
A method for utilizing an optical system for taskless mapping of brain function includes determining a time series of dynamic light measurements for a plurality of spatially distributed source-detector pairs, receiving the dynamic light measurements over a period of time using the source-detector pairs without dependence on either a task or a change in physiological condition, generating a plurality of temporal correlations between regions of a brain for the light measurements based on the time series of the spatially distributed source-detector pairs and the received dynamic light measurements, producing at least one map of a respective strength of each of a plurality of temporal correlations, producing overlapping source-detector pairs measurements using diffuse optical tomography (dot) geometries, reconstructing data representative of the dynamic light measurements into an image space using at least one dot algorithm, and co-registering dot voxel images obtained by the reconstruction to anatomical information.. .
| Scanner for photo-acoustic tomography and photo-acoustic tomography apparatus using same|
Provided is a scanner for photoacoustic tomography including: a mirror which reflects light and a photoacoustic signal for the photoacoustic tomography; a first driving member which is attached with the mirror; a second driving member which is connected to the first driving member; first driving force supply units which are disposed under two ends of the first driving member in a first direction to exert a driving force for allowing the first driving member to perform tilting movement in the first direction; and second driving force supply units which are disposed under two ends of the second driving member in a second direction to exert a driving force for allowing the second driving member to perform tilting movement in the second direction.. .
Postech Academy-industry Foundation
| Image processing apparatus, image processing method, and optical coherence tomography apparatus|
An image processing apparatus converts an intensity distribution of at least one of a plurality of regions of a tomographic image of an eye by using an amount of conversion which is greater than an amount of conversion used to convert an intensity distribution of another one of the plurality of regions, the tomographic image being obtained by performing tomographic imaging on the eye by using optical interference.. .
Canon Kabushiki Kaisha
|Beta and alpha emission tomography for three-dimensional autoradiography|
The present invention provides methods and systems for 3d imaging of in vivo and ex vivo tissues. The disclosed systems and methods employ an autoradiographic approach where particles emitted by a radioactive composition within the tissue are detected.
|Systems and methods for guided de-noising for computed tomography|
A method includes obtaining spectral computed tomography (ct) information via an acquisition unit having an x-ray source and a ct detector. The method also includes, generating, with one or more processing units, using at least one image transform, a first basis image and a second basis image using the spectral ct information.
Purdue Research Foundation
Grating light valve based optical coherence tomography
We propose an optical coherence tomography (oct) system where a grating light valve is placed in front of the detector to make the interferometer more sensitive and accurate for reading various samples for diagnosis.. .
Injection device (1, 1′), in particular for injecting a liquid into a body in magnetic resonance tomography, comprising: a syringe with a reservoir (3) for holding a liquid, with a nozzle (5) arranged on the reservoir, and with a plunger (9) for expelling the liquid from the reservoir through the nozzle, a drive member, which is connected to the plunger (9) in order to drive the plunger (9), and a non-electrical energy accumulator (17, 17′), which is connected to the drive member in order to operate the drive member.. .
Low-dose ct perfusion technique
Methods and apparatuses are disclosed for quantifying regional organ perfusion with low radiation dose using whole-organ ct in a patient comprising obtaining a computed tomography scan of the patient and determining perfusion of the organ using a first-pass analysis method in conjunction with conservation of mass for perfusion measurement.. .
The Regents Of The University Of California
Microwave tomography apparatus and method thereof
According to the exemplary embodiment of the present invention, a microwave tomography apparatus is an apparatus which measures microwave tomograph of a subject which is inserted into a medium container including: a plurality of antennas which is located in the medium container and transmits and receives an electromagnetic wave; a plurality of transceivers which, when a radio wave signal transmitted from one of the plurality of antennas is simultaneously received by the remaining antennas of the plurality of antennas, measures intensity and phase information of the radio wave signal received from the remaining antennas; and a controller which generates an image using the values measured by the plurality of transceivers.. .
Electronics And Telecommunications Research Institute
Cored rock analysis planning through ct images
Embodiments of the disclosure include methods, machines, and non-transitory computer-readable medium having one or more computer programs stored therein to enhance core analysis planning for a plurality of core samples of subsurface material. Embodiments can include positioning electronic depictions of structure of encased core samples of subsurface material on a display and determining portions of each of the images as different planned sample types thereby to virtually mark each of the images.
Saudi Arabian Oil Company
Methods and systems for computed tomography motion compensation
Methods and systems are provided for motion compensation in computed tomography imaging. In one embodiment, a method comprises reconstructing at least two images from projection data, calculating a motion metric based on the at least two images, selecting a view-weighting function based on the motion metric, and generating a display from the projection data based on the selected view-weighting function.
General Electric Company
Illumination and imaging device for high-resolution x-ray microscopy with high photon energy
The present invention relates to an illumination and imaging device for high-resolution x-ray microscopy with high photon energy, comprising an x-ray source (1) for emitting x-ray radiation and an area detector (4) for detecting the x-ray radiation. Moreover, the device comprises a monochromatizing and two-dimensionally focussing condenser-based optical system (2) arranged in the optical path of x-ray radiation with two reflective elements (6) being arranged side-by-side for focussing impinging x-ray radiation on an object to be imaged (5) and a diffractive x-ray lens (3) for imaging the object to be imaged (5) on the x-ray detector (4).
Axo Dresden Gmbh
Energy modulated luminescence tomography
The present approach generally relates to systems and methods for implementing energy modulated tomographic imaging of nanoparticles. In certain embodiments, a first energy is used to activate probe particles labeling an anatomy or tissue of interest.
Rensselaer Polytechnic Institute
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
Methods and systems for performing optical coherence tomography
Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects..
Magic Leap, Inc.
Optical coherence tomography (oct) system with improved motion contrast
This disclosure relates to the field of optical coherence tomography (oct). This disclosure particularly relates to an oct system with improved motion contrast.
California Institute Of Technology
Detection device for detecting photons and method therefore
The present invention relates to a detection device (6) for detecting photons emitted by a radiation source (2). The detection device (6) is configured to detect the photons during a first time period.
Koninklijke Philips N.v.
Scattering tomography method and scattering tomography device
A scattering tomography method includes: radiating waves to an object from a plurality of transmitting antenna elements aligned on a side surface of a case; receiving scattered waves by a plurality of receiving antenna elements aligned on the side surface of the case; and reconstructing an image relating to information on an interior of the object using scattered wave data representing the scattered waves. In the reconstructing, a reconstruction function for reconstructing the image relating to the information on the interior of the object is set in advance for a three-dimensional space having the same shape as the case, a scattering field equation which the reconstruction function satisfies is constructed, a visualization function that is obtained by solving the scattering field equation is derived from the scattered wave data, and the image relating to the information on the interior of the object is reconstructed using the visualization function..
Integral Geometry Science Inc.
Testing of an industrial structure
A method and a device for analyzing a structure by tomography and diffuse acousto-elastic field correlation are provided. An optical fiber comprising a plurality of measurement points of fbg (fiber bragg grating) type, comprising sensors of bragg grating type, is deployed in or on the structure to be analyzed.
Commissariat A L'energie Atomique Et Aux Energies Alternatives
Radiation measuring apparatus, computer program product, and radiation computed tomography apparatus
According to an embodiment, an apparatus includes a reference calculator, a peak calculator, a coefficient calculator, and a calibrator. The reference calculator is configured to calculate, as a first value, a most frequent electrical signal level from a first set of electrical signal levels output from the respective pixels of a detector for radiation.
Kabushiki Kaisha Toshiba
Single coil magnetic induction tomographic imaging
Systems, methods, and apparatus for magnetic induction tomography imaging of specimens, such as human tissue specimens, using a single coil are provided. A plurality of coil property measurements can be obtained using the single coil at a plurality of discrete locations relative to the specimen.
Kimberly-clark Worldwide, Inc.
Method and computer program product for generating an artefact reduced voxel data record
The present invention relates to a method and a computer program product for generating an artefact-reduced voxel data record of an object. The artefact-reduced voxel data record of the object is generated with the aid of a computed tomography scanner.
Metal artifact reduction for 3d-digtial subtraction angiography
A computed tomography (ct) imaging apparatus that reduces metal artifacts for digital subtraction angiography by, in circuitry, obtaining mask frames and contrast frames generated during scans of an object; performing a first reconstruction of the mask frames to generate metal volume data; identifying metal voxels in the metal volume data; re-projecting the metal voxels into the mask frames to generate metal-mask frames; defining a region of interest in each of the mask frames, each region of interest including metal regions; re-projecting the contrast frames; blending the mask frames with the re-projected contrast frames; registering the contrast frames with respect to the blended mask frames performing a cross-correlation analysis of the mask frames and the contrast frames, frame-pair-by-frame-pair; subtracting the registered contrast image from the corresponding mask image, frame-pair-by-frame-pair, to generate subtracted frames; and performing a second reconstruction on the subtracted frames.. .
Toshiba Medical Systems Corporation
Radiation measuring apparatus, computer program product, and radiation computed tomography apparatus
According to an embodiment, a radiation measuring apparatus includes a detector, comparators, a threshold controller, counters, and a generator. The detector includes plural detecting elements each configured to convert energy of incident radiation into a first electrical signal.
Kabushiki Kaisha Toshiba
System and method to improve image quality of emission tomography when using advanced radionuclides
A method and system for acquiring a series of medical images includes a plurality of detectors configured to be arranged to acquire gamma rays emitted from a subject as a result of an advanced radionuclide administered to the subject and communicate signals corresponding to acquired gamma rays. A data processing system is configured to receive the signals from the plurality of detectors, determine double coincidence event dataset and a multiple coincidence event dataset, separate the multiple coincidence event dataset into at least one of a standard lines of response dataset and a nonstandard lines of response dataset, and apply a background correction to the double coincidence event dataset based on the non-standard lines of response dataset and/or the standard lines of response dataset to obtain a standard coincidence dataset..
Massachusetts Institute Of Technology
Fluorescence histo-tomography (fht) systems and methods
In one embodiment, a fluorescence histo-tomography (fht) system is disclosed. The fht system includes a housing, a fluorescence camera located within the housing, a white light camera located within the housing, and a fluorescence light source located within the housing.
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.
Apparatus and space-division multiplexing optical coherence tomography
A space-division multiplexing optical coherence tomography apparatus and system is provided. In one embodiment, the system includes a light source, a reference arm, and a sample arm.
Reduced back reflection optical coherence tomography probe
A beam-shaping optical system suitable for use with optical coherence tomography including a sheath defining a central cavity, a beam-shaping insert defining a beam-shaping element positioned within the central cavity, and an optical fiber having a core and a cladding. The optical fiber defines an angularly prepared fiber end configured to emit an electromagnetic beam toward the beam-shaping element with the core of the optical fiber locally expanded at the fiber end..
Optical coherence photoacoustic microscopy
A system and method for providing an optical coherence photoacoustic (oc-pam) microscopy. An oc-pam microscope includes a light source that outputs light, a scanner, a detector, a transducer, and an image processing module.
Multi-mode cone beam ct radiotherapy simulator and treatment machine with a flat panel imager
A multi-mode cone beam computed tomography radiotherapy simulator and treatment machine is disclosed. The radiotherapy simulator and treatment machine both include a rotatable gantry on which is positioned a cone-beam radiation source and a flat panel imager.
Varian Medical Systems, Inc.
Method and iteratively reconstructing tomographic images from electrocardiographic-gated projection data
An apparatus and method for computed tomography (ct) imaging to obtain an image from gated projection data, such as electrocardiographic gated projection data used in cardiac ct. The image reconstruction is performed using an iterative reconstruction method to minimize a cost function including a data-fidelity term (e.g., a system-matrix term) and a regularization term.
Toshiba Medical Systems Corporation
Apparatus and electrical properties tomography using magnetic resonance
Disclosed are an apparatus and method for imaging electrical properties of brain tissues including conductivity and permittivity using magnetic resonance imaging (mri) signals. Electrical properties images for conductivity and permittivity of brain tissues may be obtained with high spatial resolution and high accuracy, without using a derivative which significantly amplifies noise in an mri image, by calculating water content based on a ratio of mri signals, calculating electrical properties from the calculated water content, and acquiring an electrical properties image for the calculated electrical properties..
University-industry Cooperation Group Of Kyung Hee University
Wide field of view optical coherence tomography imaging system
Disclosed herein is an optical coherence tomography (oct) imaging system having a wide field of view and comprising a handheld imaging probe. The handheld imaging probe can comprise a first imaging module and an oct imaging module.
Optical coherence tomography device and optical coherence tomography control program
An optical coherence tomography device includes: an oct optical system configured to obtain a oct signal; a front observation optical system configured to obtain a front image of the test substance; and a controller is configured to: control the oct optical system to obtain first temporally different oct signals with respect to the test substance; control the front observation optical system to obtain a first front image of the test substance at the time the first oct signals are obtained; control the front observation optical system to obtain a second front image of the test substance after that; determine whether or not the plurality of first oct signals are good based on a positional deviation between the first and second front images; and obtain motion contrast data of the test substance when it is determined that the plurality of first oct signals are good.. .
Nidek Co., Ltd.
User interface for acquisition, display and analysis of ophthalmic diagnostic data
Improvements to user interfaces for ophthalmic imaging systems, in particular optical coherence tomography (oct) systems are described to improve how diagnostic data are displayed, analyzed and presented to the user. The improvements include user customization of display and reports, protocol driven work flow, bookmarking of particular b-scans, accessing information from a reference library, customized normative databases, and ordering of follow-up scans directly from a review screen.
Carl Zeiss Meditec, Inc.