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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.

Related Categories:

Image Analysis


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



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...

Positioning anatomical landmarks in volume data sets
10/23/14 - 20140314290 - Certain embodiments provide a computer apparatus operable to carry out a data processing method to position a set of anatomical landmarks in a three-dimensional image data set of a part or all of a patient, comprising: providing a trained supervised machine learning algorithm which has been trained to place each...

Detection of tooth fractures in cbct image
10/23/14 - 20140314291 - A method for analyzing a subject tooth. The method includes obtaining volume image data including at least the subject tooth and segments the subject tooth from within the volume data according to one or more operator instructions. An index is generated that is indicative of a suspected fracture or lesion...

Method and system for integrated radiological and pathological information for diagnosis, therapy selection, and monitoring
10/23/14 - 20140314292 - A method and system for integrating radiological and pathological information for cancer diagnosis, therapy selection, and monitoring is disclosed. A radiological image of a patient, such as a magnetic resonance (MR), computed tomography (CT), positron emission tomography (PET), or ultrasound image, is received. A location corresponding to each of one...

System and method for joint degradation estimation and image reconstruction in magnetic resonance imaging
10/23/14 - 20140314293 - A magnetic resonance imaging (MRT) method for jointly estimating an image degradation and reconstructing an image of a subject in which that image degradation is mitigated is provided. The MRI system is operated to acquire multiple different k-space data sets that are acquired with different acquisition parameters so as to...

Shape-based image segmentation
10/23/14 - 20140314294 - Systems and methods are provided for image segmentation. In accordance with some implementations, a current segmentation mask associated with an object of interest is iteratively refined. Any image element associated with a previously generated fence is excluded from the current segmentation mask. The fence may be generated around one or...

Image processing method and apparatus and program
10/23/14 - 20140314295 - An image processing method for registering first and second images including the same subject is provided. The method includes the repeating the following steps multiple times: a first step including determining feature vectors related to gradients of pixels values at coordinates on the first and second images for each of...

Selected image acquisition technique to optimize patient model construction
10/23/14 - 20140314296 - A system and a method are disclosed that allow for generation of a model or reconstruction of a model of a subject based upon acquired image data. The image data can be acquired in a substantially mobile system that can be moved relative to a subject to allow for image...

Registering method, position detecting system, and scanning instrument
10/23/14 - 20140314297 - assigning detected position values to corresponding positions in the topographic model, the detected position values being assigned to points of a virtual surface of the topographic model, which has a distance from a model surface which corresponds to a radius of a partly spherical scanning tip of a scanning instrument,...

System, method and computer accessible mediums or determining neurodegeneration
10/23/14 - 20140314298 - Method, system and computer-accessible medium for determining at least one of axonal loss or myelin degradation can be provided. For example, it is possible to receive data based on at least one of a measure of diffusion of an axonal structure or a measure of a density of axons, and...

Method of assessing heterogeneity in images
10/16/14 - 20140307932 - A method of assessing heterogeneity in images is disclosed. 3D images of an object are acquired. The acquired images may be filtered and masked. Iterative decomposition is performed on the masked images to obtain image subdivisions that are relatively homogeneous. Comparative analysis, such as variogram analysis or correlogram analysis, is...

Methods to reduce variance in oct analysis of the macula
10/16/14 - 20140307933 - Methods for analyzing optical coherence tomography (OCT) images of the macula to reduce variance and improve disease diagnosis are presented. One embodiment of the invention is directed towards selecting analysis locations and data segmentation techniques to take advantage of structural homogeneities. Another embodiment is directed towards reducing the variance in...

Dynamic tomography angle selection
10/16/14 - 20140307934 - A method for determining a projection angle for use in tomographic imaging comprises obtaining projection data including at least one projection view from at least one projection angle. The at least one projection view is generated by scanning a test object with a tomographic imaging device. Each projection view comprises...

Medical image diagnosis apparatus and phase determination method using medical image diagnosis apparatus
10/16/14 - 20140307935 - In order to provide a medical image diagnosis apparatus and a phase determination method using a medical image diagnosis apparatus that can determine an appropriate movement phase when obtaining a tomographic image corresponding to a specific movement phase, there are provided a storage unit that stores material distribution information, which...

Method and apparatus for the assessment of medical images
10/16/14 - 20140307936 - A method of determining the degree of uptake of a PET maker in an individual candidate PET scan, the method including the steps of: (a) calculating a series of representative matched controlled PET and MRI templates for a series of controlled sample scans of individuals; (b) computing a series of...

System and method for diagnostic vector classification support
10/09/14 - 20140301619 - The diagnostic vector classification support system and method disclosed herein may both reduce the time and effort required to train radiologists to interpret medical images, and provide a decision support system for trained radiologists who, regardless of training, have the potential to miss relevant findings. In an embodiment, a morphological...

Methods and systems for optical imaging or epithelial luminal organs by beam scanning thereof
10/09/14 - 20140301620 - Arrangements, apparatus, systems and systems are provided for obtaining data for at least one portion within at least one luminal or hollow sample. The arrangement, system or apparatus can be (insertable via at least one of a mouth or a nose of a patient. For example, a first optical arrangement...

Image processing apparatus, image processing method and medical imaging device
10/09/14 - 20140301621 - An image processing apparatus, an image processing method and a medical imaging system are disclosed. The image processing apparatus comprises: an original image acquisition section configured to acquire the original image of an object; a parametric image acquisition section configured to acquire a parametric image corresponding to the original image;...

Method and apparatus to generate image data
10/09/14 - 20140301622 - In a method and apparatus for the generation of image data of a moving subject inside a body, raw data are initially acquired for a region encompassing the subject at different measurement points in time, and position overview data for the different measurement points in time are generated on the...

Image processing apparatus, image processing method, and image processing program
10/09/14 - 20140301623 - A first image and a second image are obtained; the amount of deformation of the first image is estimated by evaluating the degree of similarity between a deformed first image and the second image, using an evaluation function that evaluates the correlation between the distribution of corresponding pixel values within...

Method for interactive threshold segmentation of medical images
10/09/14 - 20140301624 - A method of delineating a region of interest in a medical image and a system for carrying out the method. An initial point, corresponding to a pixel having an initial pixel intensity is selected on a desired region of interest in an image. A preliminary region of interest is delineated...

Medical image data processing apparatus and method
10/02/14 - 20140294269 - An image data processing apparatus comprising a image data processing unit for obtaining segmented image data segmented using a segmentation process and including a representation of a vessel, wherein a region of the vessel is missing from the representation, a boundary identification unit for identifying at least one point at...

Directional diffusion fiber tracking
10/02/14 - 20140294270 - Systems and methods facilitating high definition fiber tracking are disclosed. These systems and methods can utilize a directional Axonal Volume (dAV) value that can quantify the direction and volume of anisotropic water diffusion in axons to assess brain connection integrity. dAV provides a robust and anatomically interpretable measurement of connectivity...

Image similarity-based finite element model registration
10/02/14 - 20140294271 - Apparatus, methods, and other embodiments associated with evaluating global deformations and local deformations in a prostate are described. One example apparatus includes logics that evaluate global and local deformations in a prostate and register a pre-External Beam Radiation Treatment (EBRT) three dimensional (3D) magnetic resonance (MR) image with a post-EBRT...

Discriminatively weighted multi-scale local binary patterns
10/02/14 - 20140294272 - Apparatus and methods associated with detecting prostate cancer (CaP) in a magnetic resonance (MR) image of a prostate of a CaP patient are described. One example apparatus includes logics that acquire an image of a prostate, learn a weighted vector, detect salient features in the image of the prostate, and...

Method for designing an orthodontic appliance
10/02/14 - 20140294273 - The invention relates to a method for designing a dental appliance for a facial skeleton including dental crowns and the roots corresponding thereto, said method including the following steps: producing a volumetric image of the facial skeleton, in the form an initial digital file, using medical imaging; modifying said volumetric...

Image processing device, image processing method and image processing program
10/02/14 - 20140294274 - A first image and a second image obtained by imaging the same subject with different types of modalities are obtained. The first image is deformed, and similarity between the deformed first image and the second image is evaluated by an evaluation function that evaluates correlation between distributions of corresponding pixel...

Method for producing optimised tomography images
10/02/14 - 20140294275 - The present invention relates to the technical field of imaging methods, in particular for diagnostic purposes. The subject matter of the present invention is a method for producing optimized tomography images, a computer program product for performing the method according to the invention on a computer, and the optimised images...