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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)



Systems and methods for image segmentation using a deformable atlas
03/26/15 - 20150086096 - Systems and methods for image segmentation using a deformable atlas are provided. One method includes obtaining one or more target images, obtaining one or more propagated label probabilities for the one or more target images, and segmenting the one or more target images using a cost function of a deformable...

Fast statistical imaging reconstruction via denoised ordered-subset statistically-penalized algebraic reconstruction technique
03/26/15 - 20150086097 - Described here are systems and methods for iteratively reconstructing images from data acquired using a medical imaging system. The image reconstruction is decomposed into separate linear sub-problems that can be more efficiently solved. A statistical image reconstruction process is decomposed into a statistically-weighted algebraic reconstruction update sequence. After this step,...

Systems and methods for producing intravascular images
03/26/15 - 20150086098 - The invention generally relates to systems and methods for producing composite intravascular images of multiple data types. In certain embodiments, systems and methods of the invention involve causing transducers of an intravascular ultrasound device to generate a plurality of different types of data, each type of data being based on...

Visualization of dual energy computed tomography airways data
03/26/15 - 20150086099 - A method for depicting an airway tree of a patient includes: (a) generating an iodine map of the airway tree from dual energy computed tomography (DECT) imaging data acquired from the patient; (b) defining a region of interest of the airway tree from the DECT imaging data; (c) rendering at...

Systems and methods for visualizing elongated structures and detecting branches therein
03/26/15 - 20150086100 - Computer implemented methods are disclosed for acquiring, using a processor, digital data of a portion of an elongate object, and identifying, using a processor, a centerline connecting a plurality of points within the portion of the elongate object. The methods also may include defining a first half-plane along the centerline,...

Method for organ localization
03/26/15 - 20150086101 - In some embodiments, a method for localizing organs in anatomical imaging may include: performing an anterior-posterior view scan and a lateral view scan to create an anterior-posterior view scan image and a lateral view scan image; creating a joint anatomical model based on the anterior-posterior scan image and the lateral...

Methods and systems for segmentation of organs and tumors and objects
03/19/15 - 20150078640 - Techniques for segmentation of organs and tumors and cells in image data include revising a position of a boundary by evaluating an evolution equation that includes differences of amplitude values for voxels on the boundary from a statistical metric of amplitude of voxels inside, and from a statistical metric of...

Techniques for segmentation of lymph nodes, lung lesions and other solid or part-solid objects
03/19/15 - 20150078641 - Techniques for segmentation include determining an edge of voxels in a range associated with a target object. A center voxel is determined. Target size is determined based on the center voxel. In some embodiments, edges near the center are suppressed, markers are determined based on the center, and an initial...

Method and system for non-invasive quantification of biologial sample physiology using a series of images
03/19/15 - 20150078642 - Method for providing external response based on changes in physiological status of biological sample determined by co-registration of sample images acquired in near-infrared and visible light, optionally by the user himself with a camera of a cell-phone cooperated with the data-processing unit. The NIR and visible image data are spatially...

Method and device for automatic or semi-automatic segmentation of a 3d image data set
03/19/15 - 20150078643 - In a method and apparatus for automatic or semi-automatic segmentation of a 3D image data set, acquired by a medical imaging apparatus, of an examination region that includes an organ, the 3D image data set is provided to a computer/processor, which is also provided with information with designating the type...

Method of generating magnetic resonance image, method of acquiring phase information of phase contrast image, method of acquiring phase information of susceptibility weighted image, and apparatus for generating magnetic resonance image
03/19/15 - 20150078644 - Disclosed are a magnetic resonance (MR) image generating method and apparatus that perform imaging on an MR image by using a radio frequency (RF) multi-coil which includes a plurality of channel coils. The MR image generating method includes generating a plurality of pieces of K-space completion data which respectively correspond...

System and method for data driven editing of rib unfolding
03/19/15 - 20150078645 - A method and apparatus for data driven editing of rib centerlines is disclosed. A user input location indicating an inaccuracy in a rib centerline extracted from a medical image volume is received. A local correction of the rib centerline is performed. A portion of the rib surrounding a current centerline...

Method and device for displaying an object with the aid of x-rays
03/19/15 - 20150078646 - A method and a device for displaying an object with the aid of X-rays include recording a multiplicity of X-ray projections from which a volume data set characterizing the density of the object is reconstructed. Subsequently, density values along a ray are determined on the basis of the volume data...

Methods and devices for optimization of magnetic resonance imaging protocols
03/12/15 - 20150071514 - MRI techniques are widely and successfully applied in medicine and biophysics because MRI provides good contrast between different soft tissues without ionizing radiation. MRI protocols are optimized in four aspects: imaging parameters, k-space strategies, RF system calibration and contrast inhomogeneity correction. The signal intensities of normal and disease tissues are...

Image reconstruction method and device for tilted helical scan
03/12/15 - 20150071515 - Image reconstruction method and device for tilted helical scan are provided. The method includes: acquiring data generated by the tilted helical scan; calculating a ray channel parameter and a slice number corresponding to each pixel position based on a geometric relationship that a ray of the tilted helical scan emitting...

Image processing apparatus and imaging processing method
03/12/15 - 20150071516 - Disclosed herein are an imaging processing apparatus for representing an object realistically, and an imaging processing method thereof. The image processing apparatus includes: a volume data generator configured to generate volume data of an object; a volume renderer configured to project the volume data to a first plane with respect...

Method and apparatus for providing information about pulse sequence for magnetic resonance imaging
03/12/15 - 20150071517 - Disclosed are a method and apparatus for providing information about a point of interest (POI) with respect to at least one pulse sequence for magnetic resonance imaging (MRI). The method includes receiving information about a first POI and at least a second POI of the at least one pulse sequence,...

Method, device and system for obtaining a medical image data set
03/12/15 - 20150071518 - In a method, device and system for obtaining a medical image data set, a raw data stream is produced by a data acquisition device, the raw data stream including at least digital data of a medical raw data image set. The raw data stream is provided to a data compression...

Method and imaging apparatus to automatically display and/or measure bone variations in medical image data
03/12/15 - 20150071519 - In a method and apparatus to automatically display and/or measure bone variations in medical image data, an image data set of an examination region is acquired and the bone regions in the image data set are automatically segmented in a first segmentation followed by a second segmentation in which bone...

Methods and systems for evaluating bone lesions
03/05/15 - 20150063667 - Methods and systems for evaluating bone lesions include accessing a first dataset acquired from a patient with a first imaging modality and a second dataset acquired from the patient with a second imaging modality. A segmentation is performed on the first dataset to identify a subset of the first dataset...

Three-dimensionlal virtual liver surgery planning system
03/05/15 - 20150063668 - An exemplary embodiment of the present invention provides a three-dimensional virtual liver surgery planning system including: a digital imaging and communications in medicine (DICOM) receiving module which receives an abdomen computer tomography (CT) volume data set from a picture archiving and communication system (PACS) server; a DICOM loading and noise...

Visual suppression of selective tissue in image data
03/05/15 - 20150063669 - A method image data processor (318) includes a shape likelihood determiner (402) that processes voxels of image data and determines a likelihood that a voxel represents predetermined tissue of interest for a plurality of the voxels based on a shape of a tissue represented by the voxel, an opacity determiner...

Extraction of myocardial contour points
03/05/15 - 20150063670 - One of the preferred embodiments includes: (a) creating a summed 3D nuclear medicine imaging data by summing a plurality of 3D nuclear medicine imaging data pixel by pixel; (b) determining pixels corresponding to myocardial regions in the summed 3D nuclear medicine imaging data; (c) defining a plurality of tracing directions...

Intelligent weighted blending for ultrasound image stitching
02/26/15 - 20150055839 - Ultrasound images are stitched together by extracting target image regions within each ultrasound image, identifying interest points for the extracted target images and then identifying interest point correspondences between the interest points of all the extracted target image regions. The interest point correspondence is used to define a common, word...

Ultrasound image object boundary localization by intensity histogram classification using relationships among boundaries
02/26/15 - 20150055840 - Fatty tissue boundary depths and muscle tissue boundary depths are identified in an ultrasound image by first creating an average intensity histogram of the ultrasound image. The histogram has a plurality of peaks, but has the characteristic that one of its peaks corresponds to a fat boundary depth, and a...

Orientation-aware average intensity histogram to indicate object boundary depth in ultrasound images
02/26/15 - 20150055841 - Linear candidate lines at different angles are used to determine an average intensity for each pixel level of an ultrasound image. The resultant average intensities are collected into a histogram, and the histogram is used to determine the depth positions of tissue boundary lines within an ultrasound image....

Image segmentation techniques
02/26/15 - 20150055842 - Methods, systems, and articles of manufacture for image segmentation are provided herein. A method includes creating an anatomical model from training data comprising one or more imaging modalities, generating one or more simulated images in a target modality based on the anatomical model and one or more principles of physics...

Image segmentation techniques
02/26/15 - 20150055843 - Systems and articles of manufacture for image segmentation are provided herein, and include creating an anatomical model from training data comprising one or more imaging modalities, generating one or more simulated images in a target modality based on the anatomical model and one or more principles of physics pertaining to...

Methods, systems and circuits for generating magnification-dependent images suitable for whole slide images
02/26/15 - 20150055844 - Methods, systems, workstations, computer programs visually enhance features of interest in an obtained image that are otherwise only visually apparent in a high magnification sub-slide view so that the visually enhanced features are visually apparent in a low magnification whole slide view and display the visually enhanced features on a...

System, method and computer accessible medium for providing real-time diffusional kurtosis imaging and for facilitating estimation of tensors and tensor- derived measures in diffusional kurtosis imaging
02/26/15 - 20150055845 - Exemplary method, system, and computer-accessible medium can be provided for determining a measure of diffusional kurtosis by receiving data relating to at least one diffusion weighted image, and determining a measure of a diffusional kurtosis as a function of the received data using a closed form solution procedure. In accordance...

Image processing method and apparatus and program
02/26/15 - 20150055846 - An image processing method for performing registration between a first medical image and a second medical image both being three-dimensional images is provided. The image processing method includes extracting a first vascular image in the first medical image and a second vascular image in the second medical image, detecting at...

Image processor, image reconstruction method, and radiation imaging apparatus
02/26/15 - 20150055847 - The image reconstruction method includes performing a forward projection of a first image of an object using a line integral-based value and a point spread function (PSF)-based value to acquire a forward projection value, and performing a back projection of raw image data using the forward projection value to acquire...

Mechanism for advanced structure generation and editing
02/26/15 - 20150055848 - Embodiments of the present invention are directed to methods and a mechanism for manipulating images generated by radiotherapy machines used in radiation diagnostic and treatment applications. In one embodiment, a method is provided for intelligent automatic propagation of manual or automatic contouring across linked (e.g., registered) images and image data...

Methods and systems for producing an implant
02/19/15 - 20150049929 - A computer implemented method for determining the 3-dimensional shape of an implant to be implanted into a subject includes obtaining a computer readable image including a defective portion and a non-defective portion of tissue in the subject, superimposing on the image a shape to span the defective portion, and determining...

Iterative image reconstruction with regularization
02/19/15 - 20150049930 - A method includes scaling a regularization term of an update algorithm of an iterative reconstruction algorithm with regularization with a scaling value. The scaling value is variable in at least one dimension, thereby varying the regularization of the iterative reconstruction in the least one dimension. The method further includes iteratively...

Simultaneous high spatial low temporal resolution magnetic resonance (mr) sequence for dynamic contrast enhanced (dce) magnetic resonance imaging (mri)
02/19/15 - 20150049931 - The invention discloses a dual magnetic resonance imaging method for simultaneously acquiring a first and a second time series of MR images wherein the temporal resolution of the first time series of images is larger than that of the second time series while the spatial resolution of the first time...

Topology-preserving roi remapping method between medical images
02/19/15 - 20150049932 - A method is provided for calculating a region of interest in a second image using an initial region of interest in a first image. The first and second images are linked by a spatial transformation function. The method includes steps of (i) generating a first polygonal mesh enclosing the initial...

Medical information processing apparatus
02/19/15 - 20150049933 - A medical information processing apparatus includes an exam reservation information receiver and an image processor. The exam reservation information receiver receives exam reservation information for multiple image generating apparatuses, from an exam reservation apparatus. The image processor determines a type of image processing based on the received exam reservation information,...

Breast tomosynthesis with display of highlighted suspected calcifications
02/19/15 - 20150049934 - Systems and methods that facilitate the presentation and assessment of selected features in projection and/or reconstructed breast images, such as calcifications that meet selected criteria of size, shape, presence in selected slice images, distribution of pixels that could be indicative of calcification relative to other pixels or of other image...

Image domain pansharpening method and system for spectral ct with large pixel energy discriminating detectors
02/12/15 - 20150043795 - A hybrid CT dataset is obtained from a combination of a integrating detector and a photon-counting detector. The hybrid CT dataset contains low-resolution photon-counting data and high-resolution integrating data. High-resolution panchromatic images are generated from the high-resolution integrating data, and low-resolution spectral images are generated from the low-resolution photon-counting data....

Sinogram (data) domain pansharpening method and system for spectral ct
02/12/15 - 20150043796 - A hybrid CT dataset is obtained from a combination of an integrating detector and a photon-counting detector. The hybrid CT dataset contains sparse spectral energy data and dense energy integration data. The dense panchromatic data sets inherit the resolution properties of the integrating detector while the sparse spectral data sets...

Method for quantification of uncertainty of contours in manual & auto segmenting algorithms
02/12/15 - 20150043797 - A system (10) quantifies uncertainty in contours. The system (10) includes at least one processor (42) programmed to receive an image (18)including an object of interest OOI (20). Further, a band of uncertainty (32) delineating a region (34) in the received image (18) is received. The region (34)includes the boundary...

Method and system to assist 2d-3d image registration
02/12/15 - 20150043798 - Embodiments of the invention provide a system and method that is able to automatically provide a starting point for 2D to 3D image registration, without relying on human recognition of features shown in the 2D image. This is achieved by pre-processing the 3D data to obtain synthetically generated 2D images...

Localization of anatomical structures using learning-based regression and efficient searching or deformation strategy
02/12/15 - 20150043799 - Disclosed herein is a framework for localizing anatomical structures. In accordance with one aspect, the framework receives a learned regressor and image data of a subject. The learned regressor may be invoked to predict a first spatial metric from a seed voxel to a target anatomical structure in the image...

Image processing apparatus and image processing method
02/12/15 - 20150043800 - A contact region between an object and a holding member is acquired based on the image obtained by imaging the object in a held state in which the object is held by the holding member. The three-dimensional shape of the object in a held state is estimated based on the...

System and method for the validation and quality assurance of computerized contours of human anatomy
02/12/15 - 20150043801 - A system and method for validating the accuracy of delineated contours in computerized imaging using statistical data for generating assessment criterion that define acceptable tolerances for delineated contours, with the statistical data being conditionally updated and/or refined between individual processes for validating delineated contours to thereby adjust the tolerances defined...

High density forward projector for spatial resolution improvement for medical imaging systems including computed tomography
02/05/15 - 20150036902 - A medical imaging apparatus, processing device or specialized circuit can include an input interface to input scan data of a medical image scan of a target object, a processor to generate an output image from the input scan data, and an output interface to output the output image to, e.g.,...

Lesion-type specific reconstruction and display of digital breast tomosynthesis volumes
02/05/15 - 20150036903 - A method, a control unit and a system for image reconstruction and visualization of a tomosynthesis volume. Different region of interests are detected in the volume and specific types of lesions are determined. Based on the type of lesion, different reconstruction parameters and different reconstruction algorithms are applied in order...

Method, control system, and computer program for compression of digital breast tomosynthesis data
02/05/15 - 20150036904 - A method for compressing digital breast tomosynthesis data, a system and a control unit for image reconstruction of three-dimensional digital breast tomosynthesis volumes (DBT). The volume to be reconstructed is analyzed in order to identify clusters of regions in the volume with a low and high degree of diagnostically relevant...

Three-dimensional x-ray imaging
02/05/15 - 20150036905 - A 3D result image of an object is reconstructed from a set of X-ray two-dimensional projections of the object. A 3D reference image of the object is reconstructed by employing a compressed sensing technique based on at least some of the 2D projections at a reference motion state of the...

Automated mammographic density estimation and display method using prior probability information, system for the same, and media storing computer program for the same
02/05/15 - 20150036906 - Disclosed is an automated mammographic density estimation method using statistical image information, the method including a preprocessing step of reading the mammogram, segmenting a breast area and shifting pixel values; a step of constructing a tissue probability map in which population-based probability information is extracted, and a probability map for...

Apparatus and method for reconstructing images by selecting image reconstruction mode
02/05/15 - 20150036907 - Provided are a medical imaging apparatus and a method of reconstructing an image capable of selecting an image reconstruction mode. The method of reconstructing an image using a medical imaging apparatus may include displaying a user interface indicating at least one of a first mode for reducing time required for...

Extracting bullous emphysema and diffuse emphysema in e.g. ct volume images of the lungs
02/05/15 - 20150036908 - An processor (118) includes a bullous emphysema identifier (206) that processes voxels of the volumetric image data and identifies voxels corresponding to bullous emphysema, a two dimensional projection image generator (206) that generates a 2D bullous emphysema projection image based on the voxels corresponding to bullous emphysema, wherein an intensity...

Method, apparatus and system for localizing a spine
02/05/15 - 20150036909 - A method and a corresponding apparatus and system localizes a spine in an image, in particular a computed tomography (CT) image, of a human or animal body, allowing for a reduced need for computational power and/or memory on the one hand and assuring a reliable localization of the spine on...

Measuring intramuscular fat
02/05/15 - 20150036910 - Dual-energy absorptiometry is used to estimate intramuscular adipose tissue metrics and display results, preferably as related to normative data. The process involves deriving x-ray measurements for respective pixel positions related to a two-dimensional projection image of a body slice containing intramuscular adipose tissue as well as subcutaneous adipose tissue, at...

Method and apparatus for processing medical image signal
01/29/15 - 20150030220 - A method of processing a medical image signal includes estimating first time courses and first spatial patterns for a group of objects from first brain function data for the group, and estimating second time courses and second spatial patterns for a target object from second brain function data obtained from...

Image compensation method and apparatus
01/29/15 - 20150030221 - A method and apparatus of image compensation are provided. The method may include: calculating an overlapping position between two adjacent scannings; obtaining two images at the overlapping position of the two adjacent scannings, and calculating mutual information of the two images by using a three dimensional non-rigid registration method; and...

Method and system for data compression
01/29/15 - 20150030222 - A method and a system for data compression are provided. The method may include: obtaining scanning data to be compressed; compressing the scanning data using a first compression method and a second compression method to obtain a first compressed data and a second compressed data respectively, where a compression ratio...

Systems and methods for characterizing spatial distortion in 3d imaging systems
01/29/15 - 20150030223 - Systems and methods for characterizing spatial distortions in location data determined by an imaging system, for example as employed in imaged guided therapy. A three dimensional phantom is custom formed for a desired imaging space of a given imaging system. The phantom includes a large plurality of control points fixed...

Implant design analysis suite
01/29/15 - 20150030224 - A method for anatomical analysis and joint implant design. Embodiments provide users with the ability to anatomically analyze a single bone or a series of bones that exist in a database, evaluate surgical landmarks and axes, identify differences among specific characteristics of a given population, and modify existing implants or...

X-ray dual-energy ct reconstruction method
01/29/15 - 20150030225 - The present disclosure relates to a self-prior information based X-ray dual-energy CT reconstruction method, which can utilize information inherent in data to provide a prior model, thereby obtaining a reconstructed image with a high quality. The X-ray dual-energy CT reconstruction method according to the present disclosure comprises: (a) rating an...

Diagnosis assistance apparatus, method and program
01/29/15 - 20150030226 - A first-image and a second-image representing the same organ of the same subject imaged at the same time are obtained, and an organ-region is extracted from the first-image. The extracted organ-region is displayed on a display screen. An input of an air-region included in the first-image and an input of...

Computerized image reconstruction method and apparatus
01/29/15 - 20150030227 - Provided herein is a computerized image reconstruction apparatus and method that includes recording projection path information and energy loss information of a plurality of particles traversing an object being imaged and determining an estimated image of the object based on the projection path information and the energy loss information sampled...

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...