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Tomography (e.g., Cat Scanner)

Tomography (e.g., Cat Scanner) patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Image Analysis


Applications > Dna Or Rna Pattern Reading > Tomography (e.g., Cat Scanner)



Apparatus for providing medical image knowledge service and image processing device and method for the same
01/22/15 - 20150023574 - Disclosed herein is technology for providing a medical image knowledge service. An apparatus for providing a medical image knowledge service according to an embodiment includes an image processing device for acquiring image information of at least a partial region of an analysis target based on a distribution of reactive oxygen...

Anatomy aware articulated registration for image segmentation
01/22/15 - 20150023575 - Disclosed herein is a framework for facilitating image processing. In accordance with one aspect, the framework receives first image data acquired by a first modality and one or more articulated models. The one or more articulated models may include at least one section image acquired by the first modality and...

Image alignment of breast images
01/22/15 - 20150023576 - A method of aligning at least two breast images includes aligning a relevant image part in each of the images, the relevant image parts being obtained on the basis of the result of a shape analysis procedure performed on the breast images....

Device and method for determining physiological parameters based on 3d medical images
01/22/15 - 20150023577 - The invention discloses a device for determining physiological parameters based on 3D medical images. The device comprises: a border determining unit, which is used for determining a border of a target region; and a volume determining unit, which is used for determining the total number of voxels in the target...

Device and method for determining border of target region of medical images
01/22/15 - 20150023578 - The invention discloses a device for determining a border of a target region of a medical image, which is used for differentiating the border of the target region according to corresponding physical quantitative properties reflected by tissue distribution in the medical image. The device comprises: an interactive unit, by which...

Pulse sequence-based intensity normalization and contrast synthesis for magnetic resonance imaging
01/15/15 - 20150016701 - According to one or more of the embodiments herein, a subject image of biological tissue is acquired from a pulse sequence of a magnetic resonance imaging (MRI) device, and one or more pulse sequence parameters used to acquire the subject image may be estimated based on a relationship between the...

Automated methods and systems for vascular plaque detection and analysis
01/15/15 - 20150016702 - Automated methods and systems for the detection and analysis of plaque in one or more regions of a patient's vasculature are described....

Method for image registration
01/15/15 - 20150016703 - A method (30) for image registration of sections, in particular for image registration of histological sections, is described. The method comprises reading in (32) of a data set for at least two sections, wherein each of the data sets comprises m images of each section in m resolution levels (11,...

Imaging apparatus for imaging an object
01/15/15 - 20150016704 - The invention relates to an imaging apparatus for imaging an object. A geometric relation determination unit (10) determines a geometric relation between first and second images of the object, wherein a marker determination unit (14) determines corresponding marker locations in the first and second images and marker appearances based on...

Systems and methods of high frame rate streaming for treatment monitoring
01/08/15 - 20150010222 - Systems and techniques of treatment monitoring include acquiring channel data from each of a plurality of channels of a signal array over a plurality of frames, determining a reconstruction matrix based on a reconstruction operation to be performed on the channel data, applying the reconstruction matrix to the channel data...

Methods and systems for a high-resolution brain image pipeline and database program
01/08/15 - 20150010223 - A volumetric segmentation method is disclosed for brain region analysis, in particular but not limited to, regions of the basal ganglia such as the subthalamic nucleus (STN). This serves for visualization and localization within the sub-cortical region of the basal ganglia, as an example of prediction of a region of...

Image processing device and image processing method
01/08/15 - 20150010224 - In order to provide an image processing device and the like making it possible to generate a target image in which edges of a structure are upheld and from which streaking artifacts are removed, a computation device determines a shape of a non-linear function on the basis of feature amounts...

Invisible bifurcation detection within vessel tree images
01/08/15 - 20150010225 - An image registration system an endoscope (12) and an endoscope controller (22). In operation, the endoscope (12) generates an intra-operative endoscopic image (14) of a vessel tree within an anatomical region including a plurality of branches of the vessel tree visible within the intra-operative endoscopic image (14) as an indication...

Fundus observation apparatus
01/08/15 - 20150010226 - Distribution information of examination results of eye fundus is displayed. An imaging part carries out movie imaging of fundus. A tomographic image forming part comprises an optical system that generates and detects interference light by superposing signal light from fundus on reference light and a scanner that scans fundus with...

Region-growing algorithm
01/08/15 - 20150010227 - A region growing algorithm for controlling leakage is presented including a processor configured to select a starting point for segmentation of data, initiate a propagation process by designating adjacent voxels around the starting point, determine whether any new voxels are segmented, count and analyze the segmented new voxels to determine...

Image position compensation method and apparatus
01/01/15 - 20150003705 - A method and apparatus of image position compensation are provided. The method may include: measuring an actual height at Z position and a corresponding drop offset of a scanning table; adjusting, according to the drop offset of the scanning table, a vertical coordinate of an image center in the process...

Probability mapping for visualisation and analysis of biomedical images
01/01/15 - 20150003706 - The invention provides a method of image transformation of a biomedical image, said method comprising: for each voxel of said biomedical image, calculating a transform value indicative of the likelihood of that voxel representing a first tissue type (such as scar tissue); wherein calculating said transform value includes: applying at...

Pixel-prediction for compression of visual data
01/01/15 - 20150003707 - The embodiments relate to pixel-prediction methods and devices that are based on one of a selection of one out of at least two model functions that provide a prediction function and an adaptive model function that is capable to predict intensity characteristics of reference pixels used for prediction....

Clinically driven image fusion
01/01/15 - 20150003708 - A medical imaging system includes a data store (16) of re-construction procedures, a selector (24), a reconstructor (14), a fuser (28), and a display (22). The data store (16) of reconstruction procedures identifies a plurality of reconstruction procedures. The selector (24) selects at least two reconstruction procedures from the data...

Spatially corrected nuclear image reconstruction
01/01/15 - 20150003709 - A medical imaging system (5) includes one or more processors and a display device (36). The one or more processors are programmed to receive (60) a first image (10) contrasting regions of tissue with a distinct radiotracer accumulation probability and generate (64) a constraint map (20) based on the regions...

Image processing device, method and non-transitory storage medium
01/01/15 - 20150003710 - At least one of the common regions in time-sequence images is specified. Then, the time-sequence images are adjusted such that the position of that common region in at least one image among the time-sequence images is adjusted to the position of that common region in a different image. Then, the...

Ultrasonic diagnostic apparatus and method of operating the same
12/25/14 - 20140376793 - Provided are an ultrasonic diagnostic apparatus and a method of operating the same. A method of operating the ultrasonic diagnostic apparatus includes displaying an ultrasonic image in a first region of a display unit, selecting a region of interest (ROI) in the ultrasonic image, displaying a scan conversion image and...

Correlation imaging for multi-scan mri with multi-channel data acquisition
12/25/14 - 20140376794 - A framework is provided for accelerating multi-scan and multi-channel data acquisition in a clinical MRI protocol by estimating correlation functions from images previously acquired or reconstructed, with the same or with different contrast and resolution. Using an MRI apparatus, the method collects a plurality of prior MRI image scan data...

Image resolution enhancement
12/25/14 - 20140376795 - In one aspect, a method for generating higher resolution volumetric image data from lower resolution volumetric image data includes receiving volumetric image data of a scanned subject, wherein the volumetric image data includes data representing a periodically moving structure of interest of the scanned subject, and wherein the volumetric image...

Image processing apparatus, method, and program
12/25/14 - 20140376796 - The filtering unit calculates an evaluation matrix by performing filtering on each pixel position of an image representing a hollow structure using a second order partial differential of a function representing a hollow sphere. The evaluation unit calculates an evaluation value of at least one or more of point-like structureness,...

Methods and systems for assessing image quality in modeling of patient anatomic or blood flow characteristics
12/25/14 - 20140376797 - Systems and methods are disclosed for assessing the quality of medical images of at least a portion of a patient's anatomy, using a computer system. One method includes receiving one or more images of at least a portion of the patient's anatomy; determining, using a processor of the computer system,...

Accelerated iterative reconstruction
12/18/14 - 20140369580 - A framework for an iterative reconstruction algorithm is described which combines two or more of an ordered subset method, a preconditioner method, and a nested loop method. In one type of implementation a nested loop (NL) structure is employed where the inner loop sub-problems are solved using ordered subset (OS)...

Iterative reconstruction in image formation
12/18/14 - 20140369581 - The use of the channelized preconditioners in iterative reconstruction is disclosed. In certain embodiments, different channels correspond to different frequency sub-bands and the output of the different channels can be combined to update an image estimate used in the iterative reconstruction process. While individual channels may be relatively simple, the...

Method of determining the probabilities of suspect nodules being malignant
12/18/14 - 20140369582 - Methods of determining a probability of a suspect cancer nodule being malignant are provided. In one embodiment, the method begins with tabulating histogram data of malignant and benign nodules as a function of biomarker values for a specified patient population suspect of having a specific type of cancer. Next, the...

Ultrasound diagnostic device, ultrasound diagnostic method, and computer-readable medium having recorded program therein
12/18/14 - 20140369583 - An ultrasound diagnostic device processes ultrasound images obtained by ultrasound scanning on a diagnostic target. The ultrasound images include a set of material images for analyzing shape of the diagnostic target and a diagnostic image for analyzing a diagnostic value of a specific part of the diagnostic target. An image...

Method and apparatus for determining tumor shift during surgery using a stereo-optical three-dimensional surface-mapping system
12/18/14 - 20140369584 - A system and method for determining intraoperative locations of a lesion in tissue from lesion locations determined in preoperative imaging includes determining three dimensional locations of surface features of the organ in the preoperative images. A preoperative surface map is extracted from stereo images annotated with surface features from preoperative...

Systems and methods for contouring a set of medical images
12/18/14 - 20140369585 - Systems and methods are provided for contouring a set of medical images. Deformation field data is generated between a source image and a target image of the set of medical images. The deformation field data relates structures in the source image to corresponding structures in the target image and is...

Image display of a centerline of tubular structure
12/11/14 - 20140363065 - Systems and methods for determining a centerline of a tubular structure from volumetric data of vessels where a contrast agent was injected into the blood stream to enhance the imagery for centerlining. Given a 3D array of scalar values and a first and second point, the system and methods iteratively...

System for creating a tomographic object image based on multiple imaging modalities
12/11/14 - 20140363066 - A system for creating an object image of an object under investigation, comprises a computing device being configured for creating the object image by using first tomography data of the object provided by a first tomography system and second tomography data of the object provided by a second tomography system,...

Methods and systems for tomographic reconstruction
12/11/14 - 20140363067 - A method for processing an image of a series of images includes receiving first data representing a first previously reconstructed image and receiving second data representing a second image. A second image is reconstructed in accordance with the first data, the second data and a noise model. The noise model...

Systems and methods for beam enhancement
12/11/14 - 20140363068 - Beam enhancement through sidelobe reduction and/or mainlobe sharpening is shown. Embodiments utilize dynamic resolution, improved dynamic resolution, and/or enhanced dynamic resolution techniques to synthesize beams, such as ultrasonic beams used in ultrasonic imaging, having desired attributes. Embodiments simultaneously form a first sample beam and a second or auxiliary sample beam...

System and method for correcting for metal artifacts using multi-energy computed tomography
12/11/14 - 20140363069 - A method is provided. The method includes acquiring a first dataset at a first energy spectrum and a second dataset at a second energy spectrum. The method also includes extracting a metal artifact correction signal using the first dataset and the second dataset or using a first reconstructed image and...

Noise balance pre-reconstruction data decomposition in spectral ct
12/04/14 - 20140355853 - More than two acquired energy or spectral M bins are used for photon counting detectors in a CT system. In the pre-reconstruction data decomposition, the measured photo counts in the M acquired spectral bines are combined into a predetermined fewer number of processed or weighted spectral bines N, which is...

Segmentation of a structure
12/04/14 - 20140355854 - A method and a segmentation system are disclosed. An embodiment of the method includes providing an image representation of the structure; providing a start surface model, including a mesh with a plurality of vertices connected by edges; defining for each vertex a ray normal to the surface model at the...

System and method for magnetic resonance imaging based respiratory motion correction for pet/mri
12/04/14 - 20140355855 - A method and system for magnetic resonance imaging (MRI) based motion correction in position emission tomography (PET) images is disclosed. A static 3D magnetic resonance (MR) image of a patient is received. PET image data of the patient and a series of 2D MR images of the patient acquired simultaneous...

Reconstruction of optical coherent tomography (oct) images of morphological features
12/04/14 - 20140355856 - Imaging devices and processing techniques based on imaging information along the depth direction in an optical coherent tomography (OCT) image are disclosed to enhance observed morphological features. The methods and systems obtain different OCT images of the target object under different reference path lengths, process the different OCT images to...

Method and apparatus to automatically implement a selection procedure on image data to generate a selected image data set
12/04/14 - 20140355857 - In a method and apparatus to automatically generate a selected image data set from an entirety of medical measurement data of an examination subject, the entirety of the measurement data of the examination subject is received as input data, and at least a portion of the measurement data is automatically...

Vascular anatomy modeling derived from 3-dimensional medical image processing
12/04/14 - 20140355858 - Systems and methods to develop a vascular model of vascular trees that are captured with 3-Dimensional medical imaging data of a subject. Image processing iteratively traverses vessel image segments within the imaging data and creates a vessel model defined within a data structure that defines branch segments and bifurcation points...

Method and system for patient-specific modeling of blood flow
12/04/14 - 20140355859 - Embodiments include a system for determining cardiovascular information for a patient. The system may include at least one computer system configured to receive patient-specific data regarding a geometry of the patient's heart, and create a three-dimensional model representing at least a portion of the patient's heart based on the patient-specific...

Semantic navigation and lesion mapping from digital breast tomosynthesis
11/27/14 - 20140348404 - A method, a system, a computer program and a computer program product, as well as a computer-readable storage medium, enables navigating between different medical images and localizing dedicated positions in the images. The medical images may be digital breast tomosynthesis (DBT) images, full-field digital mammography system (FFDM) images and magnetic...

Method and system for user interaction in 3-d cephalometric analysis
11/27/14 - 20140348405 - A method for 3-D cephalometric analysis acquires reconstructed volume image data from a computed tomographic scan of a patient's head. The acquired volume image data simultaneously displays from at least a first 2-D view and a second 2-D view. For an anatomical feature of the head, an operator instruction positions...

Magnetic resonance method and tomography system for acquiring image data sets
11/27/14 - 20140348406 - In a method and a magnetic resonance tomography system, at least two temporally separate original data sets are acquired with one phase measurement value being acquired for each pixel in each original image data set. An optimization technique for the shared calculation of corrected phase values for the pixels in...

Method of image reconstruction for a filtered back projection in limited angle tomography
11/27/14 - 20140348407 - The present invention is directed to a limited angle tomography in combination with a filtered back projection using a special filter operator X. The filter operator X used within the present invention makes it possible to perform region of interest reconstructions although delivering high quality reconstruction images as generated by...

Myocardial blood flow quantitation with dynamic spect or spect/ct imaging
11/20/14 - 20140341453 - A quantitative Single Photon Computed Emission Tomography (SPECT) reconstruction system for myocardial blood flow quantitation with SPECT or Single Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) dynamic imaging. The present invention solves the problems of physical interference and patient motions in dynamic SPECT imaging to enable the quantitative ability for myocardial...

Method and system for the three-dimensional reconstruction of structures
11/20/14 - 20140341454 - A system and method for the 3D reconstruction of a structure, the method comprising: obtaining at least two calibrated 2D bi-planar images of the structure, associating with each pixel each of the images a textural vector characterizing the distribution of the gradient texture and orientation in a window centered around...

Determining petrophysical properties using sodium nuclear magnetic resonance (nmr) logs
11/20/14 - 20140341455 - The presence of hydrocarbons in a subsurface formation fluid may be inferred from a determined salt concentration. A sodium nuclear magnetic resonance (NMR) measurement of a subsurface formation is obtained and a salt concentration of the fluid in the subsurface formation is determined from the sodium NMR measurement. Various operations...

Fully automated localization of electroencephalography (eeg) electrodes
11/20/14 - 20140341456 - A method for fully automated localization and channel identification of electroencephalography (EEG) electrodes. The electrode locations are automatically identified from three dimensional images stored in an electronic format, wherein the images may be derived from magnetic resonance imaging (MRI) that render the electrodes visible and object shapes and properties are...

Composite image generation and interactive display technology
11/20/14 - 20140341457 - Image processing, creation and analysis techniques include using computer technology to identify a plurality of structures of interest in an image, such as spinal discs in a medical diagnostic image. Such techniques can also be used to improve image creation through the use of localizers which can help identify portions...

Methods and systems for defining a voi in an ultrasound imaging space
11/20/14 - 20140341458 - An ultrasound imaging system provides for defining a VOI in an ultrasound imaging space. The system defines an initial frame of the VOI in the ultrasound imaging space, receives a selection of at least one reference point at an arbitrary location in the ultrasound imaging space, creates at least one...

Methods, systems and computer program products for diagnosing conditions using unique codes generated from a multidimensional image of a sample
11/20/14 - 20140341459 - Methods of providing a diagnosis using a digital code associated with an image are provided including collecting a multidimensional image, the multidimensional image having at least two dimensions; extracting a two dimensional subset of the multidimensional image; reducing the multidimensional image to a first code that is unique to the...

Method and apparatus for convergence guaranteed image reconstruction
11/13/14 - 20140334701 - A convergence guaranteed image reconstruction method and apparatus that may compute an initial reconstruction image based on a plurality of sinograms, generate a patch-based low rank regularization image based on the initial reconstruction image, and generate a desired reconstruction image by updating the initial reconstruction image based on the patch-based...

Systems and methods for motion correction in positron emission tomography imaging
11/13/14 - 20140334702 - Systems and methods for compensating motion artifacts in positron emission tomography (“PET”) imaging based on medical images acquired with a medical imaging system are provided. In some embodiments, the method includes acquiring PET data from a subject with a PET system during which at least a portion of the subject...

Segmentation and identification of layered structures in images
11/13/14 - 20140334703 - Disclosed herein are systems and method for segmentation and identification of structured features in images. According to an aspect, a method may include representing an image as a graph of nodes connected together by edges. For example, the image may be an ocular image showing layered structures or other features...

Method and system for analyzing optical coherence tomography (oct) results using color reflectivity discretization analysis
11/13/14 - 20140334704 - A method of analyzing an OCT image. An OCT image has many differently colored dots. The system detects the number of differently colored dots, quantifies them and performs statistical analyses to determine a likelihood of disease. The different colored dots correspond to different retina cell types and structures....

Motion-tracking x-ray ct image processing method and motion-tracking x-ray ct image processing device
11/13/14 - 20140334705 - An x-ray CT image processing method which carries out a statistical estimate in prior knowledge relating to the movement and the x-ray absorption coefficient of a measurement subject comprises: a step of hypothesizing that the measurement subject changes smoothly over time, and defining a first probability model (prior knowledge of...

Ultrasound diagnostic apparatus and contour extraction method
11/13/14 - 20140334706 - An ultrasound diagnostic device includes: a contour extraction unit extracting a first contour image from ultrasound images obtained from spatially-successive examination positions and each including an image of an organ, a contour image indicating a contour of the organ and extracted from the organ image; a specification unit receiving, from...

Method and apparatus for image-based eye tracking for retinal diagnostic or surgery device
11/13/14 - 20140334707 - determining said position in said image of said image sequence by comparing said image of said image sequence and said enhanced reference image to yield a motion estimation between said reference image and said image of said sequence....

Image processing apparatus and x-ray ct apparatus
11/13/14 - 20140334708 - An image processing apparatus according to an embodiment includes a generator, a selector, a first detector, and a second detector. The generator generates a group of frames corresponding to reconstructed images that correspond to a plurality of heartbeat phases of a heart. The selector specifies a corresponding frame that corresponds...

Medical imaging data processing apparatus and method
11/06/14 - 20140328526 - A medical imaging data processing apparatus comprising a data receiving unit for receiving imaging data, a rendering unit for rendering images from the imaging data according to one or more rendering parameters and a selection unit configured to output a plurality of images rendered by the rendering unit. At least...

Method and apparatus for automated delineation of structure shape for image guided treatment planning
11/06/14 - 20140328527 - Disclosed herein are techniques for performing automated structure delineation on image data using trained landmark detectors and a shape refinement tool. The landmark detectors can be trained to detect a landmark in the image data based on image features that are indicative of intensity variations over a plurality of windows...

Super-resolution apparatus and method
11/06/14 - 20140328528 - An image-based super-resolution method using a cone-beam-based line-of-response (LOR) reconfiguration in a positron emission tomography (PET) image is provided. That is, an apparatus and method for reconfiguring a super-resolution PET image using a cone-beam-based LOR reconfiguration is provided....

System and method for three-dimensional nerve segmentation using magnetic resonance imaging
11/06/14 - 20140328529 - Systems and methods for segmenting a nerve in a three-dimensional image volume obtained with a magnetic resonance imaging (“MRI”) system are provided. A three-dimensional image volume that depicts a nerve and surrounding anatomical structures is provided and from that image volume the nerve is segmented. At least one control point...

Medical imaging apparatus and method of controlling the same
11/06/14 - 20140328530 - Provided is a medical imaging apparatus including: a scanner configured to obtain projection data of an object; a three-dimensional restoring module configured to restore a volume of the object based on the projection data; a volume segmentation module configured to segment a plurality of material volumes corresponding to a plurality...

Medical imaging apparatus and method of controlling the same
11/06/14 - 20140328531 - A medical imaging apparatus includes: a scanner configured to obtain projection data of an object; a three-dimensional restorer configured to restore a volume of the object from the projection data; a volume segmentor configured to generate at least one partial volume based on the volume of the object; a reprojector...

Attenuation correction method and device for image in pet system
11/06/14 - 20140328532 - An attenuation correction method and device for an image in a PET system. The method includes: acquiring transmission scanning sinogram data from a PET apparatus; reconstructing the transmission scanning sinogram data with Bayesian model-based Ordered Subset Expectation Maximization (OSEM-B) algorithm and Filtered Back Projection (FBP) algorithm, to obtain an OSEM-B...

Method and apparatus for image registration
10/30/14 - 20140321726 - An image registering method includes extracting a first cross-section image from first volume data about a target object, which is acquired via a first image acquisition modality; displaying the first cross-section image; acquiring second volume data about the target object, the second volume data including a second cross-section image corresponding...

Image processing apparatus, image processing method and storage medium
10/30/14 - 20140321727 - An image processing apparatus includes: a region-of-interest setting information storage unit in which region-of-interest setting information for setting one or more regions of interest in a specified cross-sectional image is stored; an evaluation value acquiring unit that acquires, using measured values, an evaluation value for evaluating a region of interest...