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Tomograph patents



      
           
This page is updated frequently with new Tomograph-related patent applications. Subscribe to the Tomograph RSS feed to automatically get the update: related Tomograph RSS feeds. RSS updates for this page: Tomograph RSS RSS


Method and system for optical coherence tomography

Ophthalmic imaging apparatus

Method and apparatus for implementing a positron emission tomography

Date/App# patent app List of recent Tomograph-related patents
07/24/14
20140207418
 Real-time resampling of optical coherence tomography signals using a field programmable gate array patent thumbnailnew patent Real-time resampling of optical coherence tomography signals using a field programmable gate array
A signal processing system implemented on a field programmable gate array (fpga) operates according to a low frequency k-clock to sample optical coherence topography (oct) signals, as opposed to relying on a high frequency k-clock to obtain the same information. A resampler is used to resample the oct signal uniformly in the optical frequency domain.
07/24/14
20140206983
 Pet/mr scanners for simultaneous pet and mr imaging patent thumbnailnew patent Pet/mr scanners for simultaneous pet and mr imaging
In a combined system, a magnetic resonance (mr) scanner includes a magnet configured to generate a static magnetic field at least in a mr examination region from which mr data are acquired. Radiation detectors are configured to detect gamma rays generated by positron-electron annihilation events in a positron emission tomography (pet) examination region.
07/24/14
20140206982
 Method and apparatus for implementing a positron emission tomography patent thumbnailnew patent Method and apparatus for implementing a positron emission tomography
A method is disclosed for implementing a positron emission tomography of an examination object. In an embodiment of the method, after introducing a pet tracer into the examination object, the method includes implementing at least one functional magnetic resonance tomography for determining at least one respective measure of the activation of at least one respective brain area; implementing positron emission tomography; and adjusting a result of the positron emission tomography as a function of the at least one respective measure of the activation of at least one respective brain area.
07/24/14
20140205170
 Fast iterative image reconstruction method for 3d computed tomography patent thumbnailnew patent Fast iterative image reconstruction method for 3d computed tomography
This invention relates to a high resolution and low dosage tomographic imaging in three dimensions, and more particularly, to a fully analytical fast iterative statistical algorithm for image reconstruction from projections obtained in a spiral cone-beam x-ray scanner is described. The presented method allows to improve the resolution of the reconstructed images and/or to decrease the x-ray intensity while maintaining the quality of the obtained ct images, because the signals obtained are adapted to the specific statistics for this imaging technique.
07/24/14
20140205169
 Ophthalmic analysis apparatus and ophthalmic analysis program patent thumbnailnew patent Ophthalmic analysis apparatus and ophthalmic analysis program
There is provided an ophthalmic analysis apparatus configured to acquire an analysis result of a tomographic image of a subject eye which is acquired by using optical coherence tomography (oct), and to output the analysis result. The apparatus functions as a display control unit configured to control a display unit to display a two-dimensional image based on an oct tomographic image; an analysis region setting unit configured to set multiple analysis regions on the two-dimensional image displayed on the display unit by the display control unit; and an output control unit configured to acquire an analysis result in the multiple analysis regions set by the analysis region setting unit and to output the acquired analysis result..
07/24/14
20140205058
 Radiographic apparatus and an image processing method therefore patent thumbnailnew patent Radiographic apparatus and an image processing method therefore
Initial values â1p̂1m̂1 . .
07/24/14
20140204391
 Method and system for optical coherence tomography patent thumbnailnew patent Method and system for optical coherence tomography
To facilitate a reliable and time-saving examination of the object (1), with the most straightforward handling possible, the first image (60) is acquired in the region of the first plane (s) of the object (1) and the second image (61) is acquired in the region of the second plane (f) of the object (1) in real time, and the first image (60) or the second image (61) is rendered as a real time image and the respectively other image, i.e. The second or the first image (61 or 60 respectively), is rendered as a still image on the display device (52) depending on a control command, in particular one entered by an operator..
07/24/14
20140204389
 Optical tomograph and optical tomographic method patent thumbnailnew patent Optical tomograph and optical tomographic method
A luminous flux including laser light of different wavelengths outgoing from a light source unit is split into two luminous fluxes, the first luminous flux is focused on a sample with an objective lens, and the second luminous flux functions as reference light without radiating it onto the sample. Signal light reflected from the sample and the reference light are multiplexed by a polarized beam splitter and are made to interfere on four photodetectors out of phase in a photodetection unit.
07/24/14
20140204342
 Image processing apparatus patent thumbnailnew patent Image processing apparatus
An image processing apparatus configured to process a tomographic image of an object to be examined, includes: a processor; and memory storing computer readable instructions, when executed by the processor, causing the image processing apparatus to: set a reference line, which is used as a reference for setting a cross sectional position, on a front image of the object, the cross sectional position being one of a position where a two-dimensional tomographic image is acquired from three-dimensional data of the object, and a position where measurement light for generating a tomographic image is scanned; and set the cross sectional position having a predetermined angle as an angle relative to the set reference line.. .
07/24/14
20140204341
 Ophthalmic imaging apparatus patent thumbnailnew patent Ophthalmic imaging apparatus
There is provided an ophthalmic imaging apparatus including an optical coherence tomography (oct) optical system for acquiring a tomographic image of a subject eye, an observation optical system configured to acquire a front image of the subject eye. The apparatus functions as an image generation unit which repeatedly generates the tomographic image based on an output signal from the oct optical system, and repeatedly generates the front image based on an output signal from the observation optical system, a determination unit which detects a positional deviation between a reference front image and each of front images generated by the image generation unit, and determines consecutiveness of the front images whose positional deviation satisfies a permissible range, and a selection process unit which selects one of multiple tomographic images generated by the image generation unit, based on a determination result by the determination unit..
07/24/14
20140204338
new patent Ophthalmic photographing apparatus and storage medium storing ophthalmic photographing program
An ophthalmic photographing apparatus includes: an interference optical system configured to acquire a tomographic image of an eye; a processor; and memory storing computer readable instructions, when executed by the processor, causing the ophthalmic photographing apparatus to: control the interference optical system to acquire multiple tomographic images, and store the multiple tomographic images in a storage unit; acquire a composite image based on the multiple tomographic images stored in the storage unit; start a photographing operation for acquiring the multiple tomographic images based on the photographing position; acquire the composite image from the multiple tomographic images which are acquired by the interference optical system and stored in the storage unit until a first operation signal is received during the photographing operation; and transfer a process to a subsequent photographing operation when a second operation signal is received from the operation unit.. .
07/17/14
20140200848
Normalization coefficients in pet continuous bed motion acquisition
Normalization coefficients in are computed for positron emission tomography (pet) continuous bed motion acquisition (cbm). The normalization coefficients for the lines-of-response in cbm account for the change in decay of the injected isotope over time and/or changes in velocity of the bed motion..
07/17/14
20140200816
Seismic data processing
Described herein are implementations of various technologies for a method for processing seismic data corresponding to a region of interest. The method may receive the seismic data.
07/17/14
20140200814
Dip tomography for estimating depth velocity models by inverting pre-stack dip information present in migrated/un-migrated pre-/post-stack seismic data
Methods and systems for dip constrained non-linear tomography in seismic data. An additional term, comprising the dip associated with the kinematic migration of locally coherent events, is introduced into the cost function.
07/17/14
20140200434
Vibrational photoacoustic tomography using raman laser
A method of noninvasively imaging tissue within a body includes irradiating the tissue using an imaging laser including a raman-based laser tuner, the radiation including a plurality of laser pulses, each having energy greater than 100 mj; receiving an acoustic signal generated by vibrational energy in the tissue, wherein the vibrational energy is a result of selective overtone excitation of molecules in the tissue by the radiation; and automatically converting the acoustic signal to an image representative of the tissue using a processor. An imaging system includes an imaging laser configured to irradiate tissue with a plurality of laser pulses using a raman-based laser tuner.
07/17/14
20140198965
Computer-aided detection of regions of interest in tomographic breast imagery
Disclosed are methods, and associated systems comprising processors, input devices and output devices, of detecting regions of interest in a tomographic breast image. The methods may comprise: acquiring tomographic breast image data; deriving a plurality of synthetic sub-volumes from the tomographic breast image data; wherein each subvolume is defined by parallel planar top and bottom surfaces; wherein planar top and bottom surfaces of successive subvolumes are parallel to each other; and wherein a top planar surface of a sub-volume is offset from a top planar surface of a prior sub-volume, such that successive sub-volumes overlap; for each sub-volume, deriving a two-dimensional image; for each two-dimensional image, identifying regions of interest therein; deriving at least one region of interest of potential clinical interest from a plurality of identified regions of interest; and outputting information associated with at least one derived region of interest of potential clinical interest..
07/17/14
20140198894
Topogram from a spiral reconstruction
A computed tomography system is disclosed, along with a method and computer program product. An embodiment uses such a spiral acquisition to reconstruct a spatial three-dimensional image of the examination region.
07/17/14
20140198893
Excised specimen imaging using a combined pet and micro ct scanner
Embodiments of the present invention provide methods and apparatus for imaging a tissue specimen excised during surgery with a combined positron emission tomography (pet) and micro computed tomography (micro ct) scanner. The specimen is scanned with a ct imaging system of the combined pet and micro ct scanner.
07/17/14
20140198606
System and method for quality-enhanced high-rate optoacoustic imaging of an object
In some embodiments, a processing unit is provided for generating a second sequence of one or more tomographic optoacoustic images from the first sequence of tomographic optoacoustic images based on an analysis of one or more tomographic optoacoustic images of the first sequence of tomographic optoacoustic images and/or at least one property of the object while acquiring the first sequence of tomographic optoacoustic images and/or at least one property of the acquisition unit while acquiring the first sequence of tomographic optoacoustic images.. .
07/17/14
20140198310
Balanced-detection spectra domain optical coherence tomography system
A balanced-detection spectra domain optical coherence tomography system is disclosed. A light beam l emitting from the light source module is passed through the second beam splitter, the first beam splitter in series, and then split to the mirror and the sample respectively, and further simultaneously reflected to the first beam splitter, a light beam l1 and a light beam l2 are refracted by the first beam splitter and the second beam splitter respectively, and then transmitted to the first collimator and the second collimator respectively, and a phase difference between the light beam l1 and the light beam l2 is 180°.
07/17/14
20140198300
Ophthalmic apparatus and ophthalmic method
An ophthalmic apparatus includes a fundus image acquisition unit which acquires a plurality of fundus images acquired by imaging fundus of a subject's eye at different times and at least one fundus image that is fewer than the plurality of fundus images and acquired by imaging fundus of the subject's eye at a different time from those for the plurality of fundus images, a unit which generates a new fundus image by averaging the plurality of fundus images, an extraction unit which extracts a feature region from the generated new fundus image, and a unit which tracks the fundus such that positions of a first polarization tomographic image of the fundus corresponding to the new fundus image and a second polarization tomographic image of the fundus corresponding to the at least one fundus image may be corrected based on the extracted feature region and the at least one fundus image.. .
07/17/14
20140197320
Multiple timing measurements for positron emission tomography
Timing is determined in positron emission tomography (pet). Two or more different types of timing detection are used for each event.
07/10/14
20140194738
Method for focused acoustic computed tomography (fact)
A method for acoustic tomography within a patient may include generating a focused ultrasonic signal using a transducer is provided; the ultrasonic signal forming a path within the patient. The method includes directing the ultrasonic signal on a spot within the patient; scanning the spot in a predetermined pattern about a volume within the patient; receiving an ultrasonic echo in the transducer; converting the ultrasonic echo into a voltage; selecting a frequency band from the voltage; amplifying the voltage in the selected frequency band with a processing circuit; and generating an image of the volume within the patient structure utilizing the amplified voltage.
07/10/14
20140194620
18f-labeled precursor of pet radioactive medical supplies, and preparation method thereof
The present invention relates to a precursor of positron emission tomography (pet) radioactive medical supplies, a preparation method thereof, and an application thereof, and more specifically, to a precursor having a tetravalent organic salt leaving group, a preparation method, and a method for preparing desired pet radioactive medical supplies in a high radiochemical yield within a short preparation time by introducing 18f using the same through a single step. The precursor having a tetravalent organic salt leaving group of the present invention can simplify the known complex multistep preparation of radioactive medical supplies into a single step, can save production costs because an excessive amount of a phase transfer catalyst is not required, facilitates separation of a compound after reaction, and enables rapid reaction velocity.
07/10/14
20140193789
Cutting simulation device and cutting simulation program
A pc (1) comprises a tomographic image information acquisition section (6), a memory (9), a volume rendering calculator (13), a display unit (2), a mouse (4), and a voxel label setting section (18). The tomographic image information acquisition section (6) acquires tomographic image information.
07/10/14
20140193338
Compounds for use in imaging, diagnosing and/or treatment of diseases of the central nervous system
This invention relates to novel compounds suitable for labelling by 18f and the corresponding 18f labelled compounds themselves, 19f-fluorinated analogues thereof and their use as reference standards, methods of preparing such compounds, compositions comprising such compounds, kits comprising such compounds or compositions and uses of such compounds, compositions or kits for diagnostic imaging by positron emission tomography (pet).. .
07/10/14
20140192953
Method for determination of spatial distribution and concentration of contrast components in a porous and/or heterogeneous sample
A method for determination of a spatial distribution and concentration of contrast components in a porous sample comprises the steps of scanning a sample with x-ray and obtaining a computer tomographic image of the sample. Then an area of interest inside the obtained computer tomographic image is selected and a first cross-section of the computer tomographic image is defined.
07/10/14
20140192952
Modulating gantry rotation speed and image acquisition in respiratory correlated (4d) cone beam ct images
A method of optimizing 4d cone beam computed tomography (4dcbct) imaging is provided that includes using a scanner to generate projections of a target, where the projections are used to form a cone beam computed tomography (cbct) scan of the target, where the cbct includes a 3d image of the target, and using an appropriately programmed computer to control rotation speed of a gantry and projection acquisition of the cbct in real-time according to a measured patient respiratory signal, where the real-time acquisition of the cbct forms an optimized 4dcbct image set.. .
07/10/14
20140192950
Computed tomography system with dynamic bowtie filter
A ct apparatus for scanning an object is provided. An x-ray source is provided, wherein the x-ray source provides a collimated x-ray beam with a cross-section with a length and thickness.
07/10/14
20140192324
Spectral domain optical coherence tomography system
An optical coherence tomography device is disclosed for improved imaging. Reduced levels of speckle in the images generated by the device are obtained by forming a b-scan from a plurality of a-scans, wherein each resolution cell of the b-scan is generated through compounding of a subset of the a-scans and wherein at least some of the subset of a-scans are separated by at least half the diameter of a speckle cell both tangent to and orthogonal to the b-scan at that cell..
07/10/14
20140192323
Control device, control method and control program for optical coherence tomographic image-generating apparatuses
To measure internal information on the subject, the oct (optical coherence tomographic) control device is equipped with: a first imaging control means for initiating imaging when it is determined that input of a measurement instruction to scan the laser light at a prescribed pitch in the imaging target area of a sample using the galvano mirror has been received, and completing imaging in an imaging time that matches the prescribed pitch; and with a second imaging control means for initiating imaging when it is determined that input of a preview instruction to scan at a coarser pitch than the prescribed pitch has been received, and for completing imaging when it is determined that input of a measurement instruction as an instruction to cancel the preview instruction has been received.. .
07/03/14
20140187929
Intravascular optical coherence tomography system with pressure monitoring interface and accessories
An optical coherence tomography system and method with integrated pressure measurement. In one embodiment the system includes an interferometer including: a wavelength swept laser; a source arm in communication with the wavelength swept laser; a reference arm in communication with a reference reflector; a first photodetector having a signal output; a detector arm in communication with the first photodetector, a probe interface; a sample arm in communication with a first optical connector of the probe interface; an acquisition and display system comprising: an a/d converter having a signal input in communication with the first photodetector signal output and a signal output; a processor system in communication with the a/d converter signal output; and a display in communication with the processor system; and a probe comprising a pressure sensor and configured for connection to the first optical connector of the probe interface, wherein the pressure transducer comprises an optical pressure transducer..
07/03/14
20140187928
Method for estimating flow rates, pressure gradients, coronary flow reserve, and fractional flow reserve from patient specific computed tomography angiogram-based contrast distribution data
An embodiment in accordance with the present invention provides a method for non-invasively determining the functional severity of coronary artery stenosis. The method includes gathering patient-specific data related to concentration of a contrast agent within a coronary artery of a patient using a coronary computed tomography angiography scan (ccta).
07/03/14
20140187926
Rotation type optical tomography scanner
A rotation type optical tomography scanner is provided, including an illuminating unit disposed on a surface of an object-to-be-detected for emitting incident light to tissues under the surface of the object-to-be-detected; a detecting unit disposed on the object-to-be-detected and rotating around the illuminating unit to receive diffuse light diffused from the tissues under the surface of the object-to-be-detected and generate tissue sensing information; and a positioning unit for generating position information of the rotation type optical tomography scanner. The rotation type optical tomography scanner transmits the sensing information and the position information to a remodel module to rebuild the tissue images under the surface of the object-to-be-detected, thereby expanding the scanning range of the object-to-be-detected..
07/03/14
20140187912
Positioning device, image projecting system and method for overlapping images
A positioning device, an image projecting system and a method for overlapping images are provided. The positioning device is applied to a computed tomography process and a magnetic resonance imaging process.
07/03/14
20140187911
Tissue marker for multimodality radiographic imaging
An implantable tissue marker incorporates a contrast agent scaled within a chamber in a container formed from a solid material. The contrast agent is selected to produce a change, such as an increase, in signal intensity under magnetic resonance imaging (mri).
07/03/14
20140187904
Method and system for determining whether arterial tissue comprises atherosclerotic plaque
Provided herein are methods and systems to determine at least one mechanical property of a tissue sample and, based upon the determined at least one mechanical property, whether the tissue sample comprises atherosclerotic plaque. The method comprises generating a shear wave in an arterial tissue sample by applying an acoustic impulse thereto; measuring propagation of the shear wave via an optical coherence elastography apparatus; determining at least one mechanical property of the arterial tissue sample based on the propagation of the shear wave; and comparing the at least one mechanical property of the arterial tissue sample to a reference data set to determine whether the arterial tissue sample comprises atherosclerotic plaque.


Popular terms: [SEARCH]

Tomograph topics: Tomography, Imaging System, Positron Emission Tomography, Control Unit, Computed Tomography, Transmitter, Ion Source, Data Acquisition, Charge Amplifier, Semiconductor

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This listing is a sample listing of patent applications related to Tomograph for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Tomograph with additional patents listed. Browse our RSS directory or Search for other possible listings.
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