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

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.

09/18/14 - 20140270439 - System and method for simulataneous image artifact reduction and tomographic reconstruction
Described here is a system and method for image reconstruction that can automatically and iteratively produce multiple images from one set of acquired data, in which each of these multiple images corresponds to a subset of the acquired data that is self-consistent, but inconsistent with other subsets of the acquired...

09/18/14 - 20140270440 - Volume image reconstruction using data from multiple energy spectra
A method for forming a three-dimensional reconstructed image acquires two dimensional measured radiographic projection images over a set of projection angles, wherein the measured projection image data is obtained from an energy resolving detector that distinguishes first and second energy bands. A volume reconstruction has image voxel values representative of...

09/18/14 - 20140270441 - Pathway planning system and method
A system and method for planning a pathway through an anatomical luminal network of a patient including memory storing a computer program configured to analyze and manipulate CT images, a processor configured to execute the computer program, and a display device configured to display a user interface of the computer...

09/18/14 - 20140270442 - Vascular territory segmentation using mutual clustering information from image space and label space
Methods, systems, computer programs, circuits and workstations are configured to generate at least one two-dimensional weighted CBF territory map of color-coded source artery locations using an automated vascular segmentation process to identify source locations using mutual connectivity in both image and label space....

09/18/14 - 20140270443 - Error estimates in quantitative functional imaging
Systematic error is estimated as a function of location in quantitative functional imaging. The systematic error is estimated by perturbing the system matrix. The values of one or more variables of the system matrix are altered, and the reconstruction repeated. The differences in the resulting object or image data of...

09/18/14 - 20140270444 - Optic disc image segmentation method and apparatus
Provided is a method of processing image data and detecting a region of an image represented by the image data to be excluded from an analysis of the image. According to the method, image data captured by a medical modality is received. An evaluation of a portion of the image...

09/18/14 - 20140270445 - System and method for oct depth calibration
The invention generally relates to methods for calibrating an OCT image by comparing a detected location of a feature within the image to an expected location of the feature, calculating a calibration value, and transforming the location of pixels within the image to provide a calibrated image....

09/18/14 - 20140270446 - Method and apparatus for registration of multimodal imaging data using constraints
First and second images obtained from first and second imaging modalities, respectively, are set as a target image and an object image, respectively. The object image is segmented into one or more anatomic segments. Each segment is associated with a respective anatomic class. At least one attribute is assigned to...

09/18/14 - 20140270447 - Systems, methods and computer readable storage media storing instructions for automatically segmenting images of a region of interest
Systems, methods, and computer-readable storage media relate to segmenting an image series of at least one image of a region of interest of a subject. The methods, systems, and computer readable storage media can automatically segment interior and exterior boundaries relative to the region of interest (e.g., epicardial and endocardial...

09/18/14 - 20140270448 - System and method for attenuation correction in emission computed tomography
The present invention relates to systems and methods for attenuation correction to improve reconstructed image quality and quantitative accuracy and reduce radiation dose in emission computed tomography. In one embodiment, the present invention provides an interpolated average CT (IACT) method and breathing control devices....

09/18/14 - 20140270449 - Interactive method to assess joint space narrowing
A system is configured to assess joint space narrowing and includes a processor communicatively coupled to a display, non-transitory memory and a user input. The processor is configured for receiving at least two images and designating one image as a reference image and another image as a target image. Then,...

09/18/14 - 20140270450 - Motion compensated second pass metal artifact correction for ct slice images
An apparatus and a method for correcting a CT slice image for an image artifact (330) caused by the motion of a high attenuation part (140) in an object (135) of interest. The CT slice image is based on projection images (310a,b). The apparatus and method uses a footprint (315a,b)...

09/18/14 - 20140270451 - Magnetic resonance maps for analyzing tissue
Apparatus for analyzing brain MRI, is disclosed. The apparatus comprises an input for receiving a first and a second MRI scans at the beginning and end of a predetermined time interval post contrast administration; a subtraction map former for forming a subtraction map from said first and said second MRI...

09/18/14 - 20140270452 - Image data processing
An image data processor (116) includes a high resolution restorer (218) configured to restore a voxel neighborhood of a voxel in first image data to a higher resolution, generating restored higher resolution image data, based on a corresponding voxel neighborhood of second higher resolution image data, wherein the second higher...

09/18/14 - 20140270453 - T2 spectral analysis for myelin water imaging
Apparatus, methods, and other embodiments associated with the spectral analysis of T2 spectral data are described. One example magnetic resonance imaging (MRI) method includes accessing a data set comprising T2 spectral data associated with a magnetic resonance imaging (MRI) signal received from an object. The T2 spectral data is decomposed...

09/11/14 - 20140254904 - Image registration apparatus and method
An image processing apparatus comprises a registration unit configured to perform a first registration between a first set of image data and a second set of data, and a second registration between the first set of image data and the second set of data. The apparatus also comprises a registrability...

09/11/14 - 20140254905 - Computed tomography image reconstruction
Approaches for performing computed tomographic image reconstruction are described. In one embodiment, a full or almost full scan of scan data is acquired and a plurality of image reconstructions are performed based on the scan data, wherein the plurality of image reconstructions result in a corresponding plurality of image volumes...

09/11/14 - 20140254906 - Vascular tree from anatomical landmarks and a clinical ontology
A medical image processing apparatus, comprises a landmark identification unit configured to process a medical image data set to identify a landmark corresponding to a part of a branching structure according to a stored anatomical representation, and a spatial analysis unit configured to process the image data set to determine...

09/11/14 - 20140254907 - Automatic spinal canal segmentation using cascaded random walks
A method and apparatus for automatic spinal canal segmentation in medical image data, such as computed tomography (CT) image data, is disclosed. An initial set of spinal canal voxels is detected in the 3D medical image using a trained classifier. A spinal canal topology defined by a current set of...

09/11/14 - 20140254908 - Method and a system for registering a 3d pre-acquired image coordinate system with a medical positioning system coordinate system and with a 2d image coordinate system
Method for registering a three dimensional (3D) pre acquired image coordinates system with a Medical Positioning System (MPS) coordinate system and a two dimensional (2D) image coordinate system, the method comprising acquiring a 2D image of a volume of interest, the volume including an organ, the 2D image being associated...

09/11/14 - 20140254909 - Perfusion imaging
A perfusion imaging data processor (122) includes an agent peak characteristic-time determiner (206) configured to determine two or more agent peak characteristic-times respectively for two or more circulatory sub-systems represented in a same sub-set of voxels of a set of time-series data of perfusion imaging data, an agent peak argument...

08/28/14 - 20140241604 - Method for extracting arterial input function and application thereof to dynamic contrast enhanced magnetic resonance imaging
The present invention discloses a method for extracting AIF and an application thereof to DCE-MRI. The method comprises steps: contacting a target tissue with a contrast agent to obtain a plurality of images; using the plurality of images to work out the tissue concentration curve of the contrast agent in...

08/28/14 - 20140241605 - Methods and computer program products for quantitative three-dimensional image correction and clinical parameter computation in optical coherence tomography
Methods and computer program products for quantitative three-dimensional (“3D”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“OCT”) dataset from an OCT system can be segmented. Normal vectors or partial derivatives of the curvature at...

08/28/14 - 20140241606 - Apparatus and method for lesion segmentation in medical image
An apparatus and method are provided including a first segmenter and a second segmenter. The first segmenter is configured to generate a first segmentation result from a medical image using a first segmentation parameter for a candidate lesion. The second segmenter is configured to determine a target lesion to segment...

08/28/14 - 20140241607 - Medical image processing apparatus and medical image processing method
A medical image processing apparatus is configured as follows. Namely the apparatus is provided with a first image generation unit which executes reconfiguration processing based on X-ray transmission data to generate a contrast blood vessel figure three-dimensional image data including a figure of a blood vessel in a subject having...

08/28/14 - 20140241608 - Method of analyzing a medical image
A method of analyzing a medical image, where the medical image comprises one or more than one region of interest, and where the method comprises a) providing the medical image comprising a set of actual image values; b) rescaling the actual image values to produce corresponding rescaled image values and...

08/21/14 - 20140233817 - System and method for magnetic resonance imaging parametric mapping using confidence maps
A method for producing parametric maps using a magnetic resonance imaging (MRI) system is provided. The MRI system is used to acquire k-space data from a field-of-view. A series of images is reconstructed from the acquired k-space data, and a confidence map is produced using the k-space data. The confidence...

08/21/14 - 20140233818 - Methods and systems for segmentation in echocardiography
Methods and systems for segmentation in echocardiography are provided. One method includes obtaining echocardiographic images and defining a search space within the echocardiographic images using a pair of one-dimensional (1D) profiles. The method also includes using an energy based function constrained by non-local temporal priors within the defined search space...

08/21/14 - 20140233819 - Method and apparatus for acquiring nerve fiber structure information of object by using mri system
A method of obtaining fiber structure information of a nerve fiber in an object by using an MRI system includes: obtaining image information of voxels of the object; setting a tracking start area including at least one voxel of the object; setting at least one voxel adjacent to the tracking...

08/21/14 - 20140233820 - Segmentation and fracture detection in ct images
Provided is a new hierarchical methodology having a series of computational steps such as adaptive window creation, 2-D SWT application, masking, and boundary tracing is proposed. The techniques and systems are able to detect and quantify fracture as well as to generate recommendations for decision-making and treatment planning in traumatic...

08/21/14 - 20140233821 - Method for frame averaging post-filter optimization
In a method to generate a nuclear medicine image reconstructed from an average of multiple subsets of acquired counts of a dataset, having an image quality characteristic aligned with that of a corresponding image obtained from a reconstruction of all counts of the dataset, a phantom data acquisition is used...

08/21/14 - 20140233822 - Method for combining multiple image data sets into one multi-fused image
In a method and an apparatus to visualize nuclear medicine data from different modalities in a single image, image data sets acquired with different modalities are aligned with a data set representing corresponding anatomical data. The image data in each data set are segmented into separate regions, representing respective structures...

08/21/14 - 20140233823 - Ophthalmologic image display apparatus, ophthalmologic image display method, program, and storage medium
An ophthalmologic image display apparatus for displaying information about an eye includes an input unit configured to input a tomographic image of the eye, an acquisition unit configured to acquire diagnostic supporting information associated with positional information about the tomographic image of the eye, a processing unit configured to perform...

08/21/14 - 20140233824 - Anterior commissure and posterior commissure segmentation system and method
A computer-implemented system and method of determining anterior commissure (AC) and posterior commissure (PC) points in a volumetric neuroradiological image. The method includes determining, by a computer, a mid-sagittal plane estimate to extract a mid-sagittal plane image from the volumetric neuroradiological image, and AC and PC point estimates in the...

08/21/14 - 20140233825 - Image analysis device, image analysis method, and image analysis programme
An image analysis device for analyzing a magnetic resonance image obtained from a living body includes a phase difference distribution creating unit configured to create a phase difference distribution of a magnetic resonance image obtained from a predetermined area of the living body, a fitting unit configured to fit the...

08/14/14 - 20140226884 - Method for simulating thoracic 4dct
Four-dimensional (4D) computed tomography (CT) is simulated by first generating a surface mesh from a single thoracic CT scan. Tetrahedralization is applied to the surface mesh to obtain a first volume mesh. Finite element analysis, using boundary constraints and load definitions, is applied to the first volume mesh to obtain...

08/14/14 - 20140226885 - Multiple image generation from a single patient scan
Methods and systems for generating images. One system includes a processor. The processor is configured to receive image generation settings, receive projection data generated by a CT scan of an object, and automatically generate a first three-dimensional data set based on the projection data, wherein the first three-dimensional data set...

08/14/14 - 20140226886 - Registration method of images for surgery
In order for registration of images for surgery, first, a three-dimensional reference image of a surgical area of a patient before surgery is acquired. Then, a grating-pattern light is provided towards the surgical area to acquire a first measurement image. Thereafter, a preliminary registration is performed between the acquired first...

08/14/14 - 20140226887 - Medical image processing device and medical image processing method
With respect to projection data covering a plurality of sites, in order to create a medical image in which a uniform noise reduction effect is achieved for all sites within the projection data, an arithmetic device (5) determines one or more of proper subsets on the basis of scanning conditions...

08/14/14 - 20140226888 - Method, systems and computer program products for medical brian imaging analysis
A method for analyzing brain images includes receiving a plurality of three-dimensional image datasets comprising a plurality of voxels for a corresponding plurality of subjects; dividing the plurality of three-dimensional image datasets into at least a first and a second group; dividing the first group into A1 to An subgroups;...

08/14/14 - 20140226889 - Systems and methods for image segmentation using target image intensity
The system and method of the invention combines target image intensity into a maximum likelihood estimate (MLE) framework as in STAPLE to take advantage of both intensity-based segmentation and statistical label fusion based on atlas consensus and performance level, abbreviated iSTAPLE. The MLE framework is then solved using a modified...

08/14/14 - 20140226890 - Simple method to denoise ratio images in magnetic resonance imaging
A simple method to denoise ratio images in magnetic resonance imaging, includes generating a MRI sequence provided for acquiring data from an object to be imaged, wherein the MRI sequence is configured for generating at least two different standard images, respectively a first standard image and a second standard image,...

08/14/14 - 20140226891 - Method and device for correction of movement artifacts in a computed tomography image
A method for correction of movement artifacts in a computed tomography image that is reconstructed from a plurality of computed tomography projection images is provided. Using all projection images of the plurality of computed tomography projection images, an average position of an examination area of an examination object in the...

08/07/14 - 20140219529 - Alterative noise map estimation methods for ct images
Noise map for CT images have been estimated by generalizing the prior art even-and-odd views approach. One example is to estimate a noise map from images reconstructed from three sets of independent views. A second example is to estimate a noise map from images reconstructed by using two sets of...

08/07/14 - 20140219530 - System and method for acquiring optoacoustic data and producing parametric maps using subband acoustic compensation
A method is disclosed for generating sinograms by sampling transducers acoustically coupled with a surface of a volume after a pulse of light, each transducer being associated with a channel in an optoacoustic imaging system, and processing at least two multi-channel sinograms, each corresponding to a different one of the...

08/07/14 - 20140219531 - Systems and methods for accelerated dynamic magnetic resonance imaging
Some aspects of the present disclosure relate to systems and methods for accelerated dynamic magnetic resonance imaging (MRI). In an example embodiment, a method includes acquiring undersampled MRI data corresponding to a set of images associated with an area of interest of a subject, and separating an image of the...

08/07/14 - 20140219532 - System and method for estimating a quantity of interest of a dynamic artery/tissue/vein system
The invention relates to a system and a method for estimating a quantity of interest of a dynamic artery/tissue/vein system of an elementary volume—referred to as a voxel—of an organ based on medical images according to the methods referred to as oSVD or cSVD. The invention discloses two embodiments which...

08/07/14 - 20140219533 - Magnetic resonance imaging device, and method for generating magnetic susceptibility enhanced image
There is provided a technique for obtaining a magnetic susceptibility-weighted image in which contrast difference of a tissue of interest and a surrounding tissue can be emphasized regardless of the positional relationship of the B0 direction and the imaging slice. A phase image is converted into a susceptibility map not...

08/07/14 - 20140219534 - Interactive live segmentation with automatic selection of optimal tomography slice
An apparatus for automatic selection of optimal tomography slices by executing a number of tentative segmentations using the same interactively provided in-slice seed point on some or all available tomography slices. The appropriate segmentation boundaries are then marked and the slice with the best segmentation goodness value (figure of merit)...

08/07/14 - 20140219535 - Systems and methods for detecting the presence of anomalous material within tissue
In one embodiment, the presence of anomalous material within tissue is detected by scanning a patient using magnetic resonance imaging (MRI) to obtain MRI data, identifying individual voxels of the MRI data, identifying multiple parameters of each voxel, and determining as to each voxel based upon the identified parameters the...

07/31/14 - 20140212011 - Spect motion-correction
A nuclear camera acquires projections which are iteratively reconstructed by a reconstruction processor into an motion-artifacted image and stored in an image memory. The motion-artifacted image is forward-projected by a forward-projector to create forward-projections which are compensated for image degrading factors, such as resolution recovery, scatter and attenuation, and are...

07/31/14 - 20140212012 - System and method for joint reconstruction of spatial and spectral imaging data
A system and method for simultaneously generating spectral images and spatial images of a subject using a magnetic resonance imaging (MRI) system includes acquiring MR image data using a k-space sampling trajectory. The k-space sampling trajectory is designed to spatially oversample to elicit phase differences between oversampled points. The MR...

07/31/14 - 20140212013 - Method and apparatus for generating a derived image using images of different types
Disclosed herein are techniques for translating a first image of a first type to a derived image of a second type. For example, a plurality of similarity indicators can be computed as between a plurality of patches of first image and a plurality of patches of a first atlas image,...

07/31/14 - 20140212014 - Method and apparatus for medical image registration
Disclosed are a method and apparatus for registering images having different modalities. The medical image registration method includes performing, at an initial register, multi-modality registration of a reference image from a plurality of first images captured during a first breathing period and a second image; performing, at the initial register,...

07/31/14 - 20140212015 - De-noising of real-time dynamic magnetic resonance images by the combined application of karhunen-loeve transform (klt) and wavelet filtering
A hybrid filtering method called Karhunen Loeve Transform-Wavelet (KW) filtering is presented to de-noise dynamic cardiac magnetic resonance images that simultaneously takes advantage of the intrinsic spatial and temporal redundancies of real-time cardiac cine. This filtering technique combines a temporal Karhunen-Loeve transform (KLT) and spatial adaptive wavelet filtering. KW filtering...

07/31/14 - 20140212016 - X-ray ct apparatus and image correction method
There is provided an X-ray CT apparatus capable of correcting the unevenness of the contrast concentration due to discontinuities in time between slices in contrast imaging using a Prospective Triggering method. In an X-ray CT apparatus 1, projection data in a specific phase of the heart is obtained by performing...

07/31/14 - 20140212017 - Mri diffusion weighted imaging with estimated motion probing gradient b-factors based on acquired apparent diffusion coefficients for each pixel
A magnetic resonance diagnostic apparatus includes a derivation unit to derive an apparent diffusion coefficient regarding a pixel position for each pixel position included in a region of interest in at least two original images obtained by imaging a same imaging region of a same subject using at least two...