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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.

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...

07/24/14 - 20140205166 - Image restoration system and method
A system and a method for improving the quality of ultrasound images. The system comprises a processor being configured to subdivide the ultrasound image, determine a deconvolution factor for the ultrasound image and apply the deconvolution factor to the subdivided ultrasound image, resulting in a restored image....

07/24/14 - 20140205167 - Method for interactive manual matching and real-time projection calculation in imaging
Methods and systems are proposed herein for performing manual matching of generated digitally reconstructed radiographs with acquired verification images efficiently without intensive processing and/or memory consumption or hardware requirements. According to one aspect of the claimed subject matter, a system is provided that includes a computing workstation, communicatively coupled to...

07/24/14 - 20140205168 - Image processing apparatus, ultrasonic imaging apparatus, and imaging processing method for the same
Disclosed herein is an image processing apparatus. The image processing apparatus collects volume data which relates to an object, generates volume-rendered image data from the collected volume data, acquires a projection image of the object at a position at which virtual illumination is emitted toward the object, based on the...

07/24/14 - 20140205169 - Ophthalmic analysis apparatus and ophthalmic analysis program
There is provided an ophthalmic analysis apparatus configured to acquire an analysis result of a tomographic image of a subject eye which is acquired by using optical coherence tomography (OCT), and to output the analysis result. The apparatus functions as a display control unit configured to control a display unit...

07/24/14 - 20140205170 - Fast iterative image reconstruction method for 3d computed tomography
This invention relates to a high resolution and low dosage tomographic imaging in three dimensions, and more particularly, to a fully analytical fast iterative statistical algorithm for image reconstruction from projections obtained in a spiral cone-beam x-ray scanner is described. The presented method allows to improve the resolution of the...

07/24/14 - 20140205171 - Method and system for correcting artifacts in image reconstruction
Methods and systems are provided for correcting artifacts in iterative reconstruction processes. In certain embodiments, weighting schemes may be applied such that less than all of the available scan or projection data is utilized in the iterative reconstruction. In this manner, inconsistencies in the data undergoing reconstruction may be reduced....

07/17/14 - 20140198964 - Follow up image acquisition planning and/or post processing
A method includes planning a follow up three dimensional image acquisition of tissue of interest of a patient based on first and second two dimensional surview projection images, wherein the first two dimensional surview projection image was used to plan a previously performed baseline three dimensional image acquisition of the...

07/17/14 - 20140198965 - Computer-aided detection of regions of interest in tomographic breast imagery
Disclosed are methods, and associated systems comprising processors, input devices and output devices, of detecting regions of interest in a tomographic breast image. The methods may comprise: acquiring tomographic breast image data; deriving a plurality of synthetic sub-volumes from the tomographic breast image data; wherein each subvolume is defined by...

07/10/14 - 20140193053 - System and method for automated initialization and registration of navigation system
A system and method for image registration includes tracking (508) a scanner probe in a position along a skin surface of a patient. Image planes corresponding to the position are acquired (510). A three-dimensional volume of a region of interest is reconstructed (512) from the image planes. A search of...

07/10/14 - 20140193054 - Apparatus and method for generating an attenuation correction map
The invention relates to an apparatus for generating an attenuation correction map. An image providing unit (5, 6) provides an image of an object comprising different element classes and a segmentation unit (11) applies a segmentation to the image for generating a segmented image comprising image regions corresponding to the...

07/10/14 - 20140193055 - Image reconstruction device and image reconstruction method
To provide an image reconstruction device capable of creating an image with image quality matching the operator's request when a cross-sectional image is reconstructed through a repeated calculation, the image reconstruction device which performs a repeated calculation on the basis of a difference between calculated projection data and measured projection...

07/10/14 - 20140193056 - Systems and methods for patient anatomical image volume data visualization using a portable processing device
A method for determining an internal anatomical image associated with a patient includes receiving, by a computer, an image of a portion of a patient surface. The computer identifies an anatomical location corresponding to the portion of the patient surface and an image orientation based on the acquired image. Next,...

07/10/14 - 20140193057 - Methods and systems for transforming luminal images
The invention provides methods and systems for correcting translational distortion in a medical image of a lumen of a biological structure. The method facilitates vessel visualization in intravascular images (e.g. IVUS, OCT) used to evaluate the cardiovascular health of a patient. Using the methods and systems described herein it is...

07/10/14 - 20140193058 - Method to estimate interfractional and intrafractional organ motion for adaptive external beam radiotherapy
A therapy system (10) includes one or more processors (98, 100). The processors (98, 100) are programmed to receive one or more of: (1) dosimetric data from dosimeters (26, 28, 202, 204, 206, 208, 210, 212) implanted within a patient and/or positioned on a vest (200); and (2) motion data...

07/03/14 - 20140185893 - Axially varying truncation completion for mr-based attenuation correction for pet/mr
An apparatus and method for a PET/MR system having a PET scanner and an MR scanner. A patient may be advanced through the system in sequential stations, with multiple transverse slices defined within at least one of the stations in which each slice is offset a distance Δz from the...

07/03/14 - 20140185894 - Complex reconstruction of q-space for simultaneous detection of coherent and incoherent motion
A magnetic resonance (MR) imaging method includes acquiring MR signals having phase and magnitude at q-space locations using a diffusion sensitizing pulse sequence performed on a tissue of interest, wherein the acquired signals each include a set of complex Fourier encodings representing a three-dimensional displacement distribution of the spins in...

07/03/14 - 20140185895 - Methods and systems for automated soft tissue segmentation, circumference estimation and plane guidance in fetal abdominal ultrasound images
A computer-implemented method for analyzing a fetal ultrasound image includes accessing a first statistical model calculated from training data representing shapes of conforming fetal abdominal tissue exemplars and accessing image data representing a scan plane in an ultrasound image. The method further includes identifying a region of interest including an...

07/03/14 - 20140185896 - Conditional likelihood material decomposition and methods of using the same
Embodiments of methods and apparatus are disclosed for obtaining a radiographic phase-contrast digital computed tomography imaging system and methods for same that can include obtaining a first and second plurality of 2D projection images over a range of scan angles, generating at least two statistically independent reconstructed images of an...

07/03/14 - 20140185897 - Computed tomography method, computer software, computing device and computed tomography system for determining a volumetric representation of a sample
A method of using computed tomography for determining a volumetric representation of a sample, involving a first reconstruction for reconstructing first reconstructed volume data of the sample from first x-ray projection data of the sample taken by an x-ray system, a second reconstruction for reconstructing second reconstructed volume data of...

07/03/14 - 20140185898 - Image generation method and apparatus
An image generation method includes classifying data according to a motion period of an object; generating respective sinograms from the classified data; updating an intermediate sinogram for an intermediate image using the sinograms; generating an updated intermediate image by performing a back projection on the updated intermediate sinogram; and generating...

07/03/14 - 20140185899 - System and method for acquiring optoacoustic data and producing parametric maps using interframe persistent artifact removal
The quality of a parametric map is improved based upon information contained in optoacoustic images. Frames are acquired by a multi-wavelength optoacoustic imaging system. A first sub-set including uncorrelated frames from a first wavelength is generated. A first interframe artifact estimate is generated. The first artifact estimate is applied to...

07/03/14 - 20140185900 - Apparatus and method for supporting acquisition of multi-parametric images
An apparatus and a method for supporting acquisition of a multi-parametric image are provided. An apparatus for supporting acquisition of a multi-parametric image includes: a disease selector configured to select a suspected disease of a patient based on patient information; and an image selector configured to determine a set of...