| Patent Number |
Title Of Patent |
Date Issued |
| 7623127 |
Method and apparatus for discrete mesh filleting and rounding through ball pivoting |
November 24, 2009 |
| A method and apparatus for rounding a sharp edge of a model of an object is disclosed whereby a ball is propagated in a desired direction along the edge to be smoothed. The position of the ball at each point in its propagation is noted and, as a result, a virtual tunnel through which the |
| 7620501 |
Artery-vein separation and vessel modeling |
November 17, 2009 |
| A system and method for artery-vein separation and vessel modeling are provided, the system including an adapter unit, a centerline locating unit in signal communication with the adapter unit, and a deformable modeling unit in signal communication with the centerline locating unit; a |
| 7620226 |
Semi-local active contour for a faint region detection in knee CT images |
November 17, 2009 |
| An exemplary method of detecting a structure in a three-dimensional (3D) computed tomography ("CT") knee image is provided. An intensity prior mask is created based on a two-dimensional (2D) slice of the CT image. A seed point in the 2D slice is received or estimated. The seed point is i |
| 7620223 |
Method and system for registering pre-procedural images with intra-procedural images using a pre |
November 17, 2009 |
| A system and method for registering pre-operative images of an object with an intra-operative image of the object is disclosed. Prior to an operative procedure, Digitally Reconstructed Radiographs (DRRs) are generated for the pre-operative images of each individual patient. Signature |
| 7620205 |
Method for characterizing shape, appearance and motion of an object that is being tracked |
November 17, 2009 |
| A method for generating Pairwise Active Appearance Models (PAAMs) that characterize shape, appearance and motion of an object and using the PAAM to track the motion of an object is disclosed. A plurality of video streams is received. Each video stream includes a series of image frames |
| 7618374 |
Image plane sensing methods and systems for intra-patient probes |
November 17, 2009 |
| A position of an imaging plane relative to a catheter or other probe is aligned with tissue of interest. Ultrasound tissue images may be registered to the catheter position with minimal rotational ambiguity. The spatial position of an ablation catheter or other device with respect to |
| 7618373 |
Microfabricated ultrasonic transducer array for 3-D imaging and method of operating the same |
November 17, 2009 |
| A capacitive microfabricated transducer array used for 3-D imaging, with a relatively large elevation dimension and a bias control of the elevation aperture in space and time, confers the same benefits of mechanical translation, except that image cross-sections are electronically rather |
| 7617078 |
Patient data mining |
November 10, 2009 |
| The present invention provides a data mining framework for mining high-quality structured clinical information. The data mining framework includes a data miner that mines medical information from a computerized patient record (CPR) based on domain-specific knowledge contained in a kn |
| 7616836 |
Method and system for motion compensation in a temporal sequence of images |
November 10, 2009 |
| A method and system for performing motion compensation in a temporal sequence of images include performing a conjugate gradient maximization of a similarity measure between two images, based on the local cross-correlation of corresponding regions to obtain a displacement field for wa |
| 7616799 |
System and method for monitoring disease progression or response to therapy using multi-modal vi |
November 10, 2009 |
| A system and method for monitoring disease progression or response to therapy using multi-modal visualization are provided. The method comprises: selecting a first image dataset of a first timepoint; loading the first image dataset of the first timepoint; selecting a second image dat |
| 7616798 |
Method for faster iterative reconstruction for converging collimation spect with depth dependent |
November 10, 2009 |
| A method of iteratively reconstructing images from data acquired by converging collimation SPECT, comprising the steps of dividing a reconstruction space into multiple iso-resolution zones that are oriented non-parallel to the detector, and correcting for attenuation by applying a sa |
| 7616794 |
System and method for automatic bone extraction from a medical image |
November 10, 2009 |
| A system and method for automatic bone extraction from a medical image is provided. A method for automatically extracting a bone from a medical image, comprises: performing a thresholding on the image in an intensity range of the bone to generate a first bit mask; eroding the first bit |
| 7616792 |
Scale selection for anisotropic scale-space: application to volumetric tumor characterization |
November 10, 2009 |
| A method for determining a structure in volumetric data includes determining an anisotropic scale-space for a local region around a given spatial local maximum, determining L-normalized scale-space derivatives in the anisotropic scale-space, and determining the presence of noise in t |
| 7616783 |
System and method for quantifying motion artifacts in perfusion image sequences |
November 10, 2009 |
| A method of evaluating the quality of a the quality of a match between two digitized images includes providing a pair of digitized images I.sub.1(x,y,z) and I.sub.2(x,y,z), each image comprising a plurality of intensities corresponding to a domain of points (x,y,z) on an 3-dimensiona |
| 7616199 |
System and method for interleaved slice volume rendering |
November 10, 2009 |
| A method for volume rendering a digitized image includes providing a digitized 3-dimensional image with a plurality of 2-dimensional slices comprised of a plurality of intensities corresponding to a domain of points on a 2-dimensional grid, interleaving said slices so that a predeter |
| 7609910 |
System and method for creating a panoramic view of a volumetric image |
October 27, 2009 |
| A system and method for creating a panoramic projection of a volumetric image of an object is disclosed. A virtual camera is placed in a center of a cubic space within the object. Images obtained from the camera are projected onto a single plane. A front image is mapped in a window at a |
| 7609887 |
System and method for toboggan-based object segmentation using distance transform |
October 27, 2009 |
| A method of segmenting an object in a digital image comprising providing a digital image comprising a plurality of intensities corresponding to a domain of points in a N-dimensional space, selecting a region of interest in the image, determining a threshold intensity value for points in |
| 7609876 |
Virtual grid alignment of sub-volumes |
October 27, 2009 |
| A computer-implemented method for aligning sub-volumes includes receiving a data volume, providing a plurality of parameters of the sub-volumes, and determining a start point of each of the two or more sub-volume according to the plurality of parameters. The method further includes d |
| 7609814 |
Adaptive medical image and mask data processing system |
October 27, 2009 |
| A system and method are disclosed for allowing the user to change the patient table position or x-ray detector position during an angiographic roadmapping procedure while still displaying a properly registered roadmap display by adapting the mask image to the new position. A system a |
| 7609058 |
Method and apparatus for generating a magnetic resonance data file |
October 27, 2009 |
| In a method for operating a magnetic resonance imaging system to generate a magnetic resonance data file, raw magnetic resonance data are acquired, and k-space is established in a computerized storage medium, with k-space being divided into a contiguous central region and a contiguous re |
| 7603165 |
Method for acquiring PET and CT images |
October 13, 2009 |
| A combined PET and X-Ray CT tomograph for acquiring CT and PET images sequentially in a single device, overcoming alignment problems due to internal organ movement, variations in scanner bed profile, and positioning of the patient for the scan. In order to achieve good signal-to-nois |
| 7603000 |
System and method for learning relative distance in a shape space using image based features |
October 13, 2009 |
| A system and method for identifying a shape of an anatomical structure in an input image is disclosed. An input image is received and warped using a set of warping templates resulting in a set of warped images. An integral image is calculated for each warped image. Selected features are |
| 7602970 |
System and method for Kalman filtering in vascular segmentation |
October 13, 2009 |
| A method of segmenting tubular structures in digital images comprises providing a digitized image, selecting a point within an object for segmenting in the image, defining an initial state of the selected point in the object, performing an initial segmentation of a 2D cross section o |
| 7602965 |
Object detection using cross-section analysis |
October 13, 2009 |
| In a method of 3-D object detection, an image is pre-processed. Using cross-section analysis, a confidence array is built. A plurality of peaks in the confidence array are detected, wherein the peaks signify a likelihood of a 3-D object of interest. |
| 7601963 |
High-resolution depth-of-interaction PET detector |
October 13, 2009 |
| A depth of interaction-sensitive crystal scintillation detector features crystal types that alternate in three-dimensional checkerboard fashion, each type having a different crystal decay time. One or more photosensors are disposed on each of at least two orthogonal surfaces. The sci |
| 7601121 |
Volume rendering quality adaptations for ultrasound imaging |
October 13, 2009 |
| Rendering quality parameter values are automatically set or adjusted as a function of acquisition ultrasound parameter values. The rendering quality is automatically selected based on the acquisition quality, such as providing for a higher quality or quality rendering for slower acqu |
| 7600434 |
Mechanism for remotely measuring medical treatment system bed deflection |
October 13, 2009 |
| A bed for a medical treatment system. The system has a medical treatment device, such as a CT scanner or radiation therapy system, oriented in a spatial relationship with the bed. The bed has an elevation member, a support member for a patient subject, one section of the support member |
| 7599535 |
System and method for tree-model visualization for pulmonary embolism detection |
October 6, 2009 |
| A system and method for tree-model visualization for detecting an abnormality in an anatomical tree structure are provided. The method comprises: fitting a tree-model to an anatomical tree structure; converting branches of the tree-model into first two-dimensional branch images; and |
| 7599534 |
CAD (computer-aided decision) support systems and methods |
October 6, 2009 |
| CAD (computer-aided decision) support systems, methods and tools are provided for automated decision support for screening, evaluating, and/or diagnosing medial conditions. For example, CAD support systems and tools implement methods for automatically processing patient data for a subjec |
| 7599254 |
Transducer static discharge methods and apparatus |
October 6, 2009 |
| Light exposure may reduce the static charge inside a capacitive membrane transducer. For example, ultraviolet light shines on or in a cell. The light increases the energy of the charge carrier and/or ionizes gas in the cavity, allowing reverse migration or dissipation of the static c |
| 7598960 |
System and method for cache-friendly volumetric image memory storage |
October 6, 2009 |
| A method of storing a digital image in a computer memory includes providing a N-dimensional digital image, defining an offset for each image element (x.sub.1, . . . , x.sub.N) by the formula.function..times..times..times..function..times. ##EQU00001## where i is summed over all bits |
| 7597664 |
Measuring transducer movement methods and systems for multi-dimensional ultrasound imaging |
October 6, 2009 |
| Methods and systems for measuring transducer movement are provided. For example, free-hand scanning for three-dimensional imaging is provided. An optical sensor within the transducer measures motion along the skin surface similar to measuring movement of a personal computer mouse with |
| 7596283 |
Fast parametric non-rigid image registration based on feature correspondences |
September 29, 2009 |
| A method and system for non-rigidly registering a fixed to a moving image utilizing a B-Spline based free form deformation (FFD) model is disclosed. The methodology utilizes sparse feature correspondences to estimate an elastic deformation field in a closed form. In a multi-resolutio |
| 7596282 |
System and method for efficient feature estimation for medical images |
September 29, 2009 |
| A method for estimating feature values from a digitized image includes calculating a gradient of an image, defining a filter weighting function, convolving the gradient with the filter weighting function, integrating over a subdomain of the convolved gradient to calculate components of a |
| 7593913 |
Systems and method for integrative medical decision support |
September 22, 2009 |
| A system for providing medical decision support for diagnosis and treatment of disease comprises a medical knowledge database comprising medical information, the medical information including probabilities of disease outcomes for a disease of interest, a memory device for storing a p |
| 7593762 |
System and method for automatically segmenting bones in computed tomography angiography data |
September 22, 2009 |
| A system and method for automatically segmenting bone regions from Computed Tomography Angiography (CTA) volume data is disclosed. A locally operated bone detector distinguishes between bone regions and contrast agent filled vessels. A filtering operator removes small noise from the |
| 7593598 |
System and method for efficient filter design through weighted difference of Gaussian filters |
September 22, 2009 |
| A method of designing filters for filtering digitized images includes constructing a set of difference-of-Gaussian (DoG) filters that partition a frequency space, forming a linear combination of said DoG filters to form a trial filter, convolving said trial filter with a training image |
| 7591788 |
Adaptive contrast agent medical imaging |
September 22, 2009 |
| System parameters for contrast agent medical imaging are conveniently set. A simplified contrast agent configuration is provided. One contrast agent imaging mode or configuration is dynamically determined and optimized based on the user's selected transmit level and/or a real-time me |
| 7590932 |
Electronic healthcare management form creation |
September 15, 2009 |
| Certain exemplary embodiments of the present invention provide a method for creating an electronic form for use in healthcare management. The method can comprise initiating generation of at least one display image supporting a user in: selecting a template form from a repository of t |
| 7590273 |
Estimation of solitary pulmonary nodule diameters with a hybrid segmentation approach |
September 15, 2009 |
| A method for estimating a diameter of an object of interest, includes extracting a sub-volume of voxels around a marker identifying a location of the object of interest, and determining a segmentation result identifying an edge of the object of interest by a reactive-diffusion method |
| 7590271 |
System and method for automatic detection and localization of 3D bumps in medical images |
September 15, 2009 |
| A method of detecting irregularities in a digitized image includes selecting a volume of interest in an image, growing a surface from a point in said volume of interest, determining the local gradient of each point on said surface, and applying a local filter to said gradient, determ |
| 7589456 |
Digital capacitive membrane transducer |
September 15, 2009 |
| A capacitive membrane is used as a digital sensor. Membranes act as binary devices, such as being in a collapsed or non-collapsed state. By providing drum heads (membranes and associated gaps) with different response characteristics, the drum heads of an element digitally indicate th |
| 7588539 |
Integrated low-power pw/cw transmitter |
September 15, 2009 |
| Integrated circuit transmitters allow for ultrasound imaging with both pulsed and continuous waves. High voltage and low voltage switches are integrated onto a same semiconductor chip. The high voltage switches are used for pulsed wave operation, and the low voltage switches are used for |
| 7586501 |
Simultaneous projection of multi-branched vessels and their context on a single image |
September 8, 2009 |
| System and methods of displaying one or more vessels, particularly blood vessels and more particularly coronary arteries, are disclosed. Each of the one or more vessels is associated with an outline of a tube generated from a set of image data. For a viewing point, a depth image is c |
| 7583857 |
System and method for salient region feature based 3D multi modality registration of medical ima |
September 1, 2009 |
| A method for aligning a pair of images includes providing a pair of images, identifying salient feature regions in both a first image and a second image, wherein each region is associated with a spatial scale, representing feature regions by a center point of each region, registering |
| 7583831 |
System and method for using learned discriminative models to segment three dimensional colon ima |
September 1, 2009 |
| A system and method for using learned discriminative models to segment a border of an anatomical structure in a three dimensional (3D) image is disclosed. A discriminative probability model is computed for each voxel in the 3D image. Thresholding is performed on each discriminative p |
| 7583829 |
Method and apparatus for embolism analysis |
September 1, 2009 |
| Disclosed is an automated technique for analyzing the affected region due to an embolism in an organ. A segmented image of the organ vasculature is generated using image volume data received, for example, from a Computed Tomography (CT) machine. An embolus is then identified (either manu |
| 7583214 |
Dynamic receive beamformer with oversampling for medical diagnostic ultrasound |
September 1, 2009 |
| Receive beamformers for receive beamforming ultrasound information include a plurality of channels. The received signals for each channel are oversampled for conversion to digital form, such as sampling with a sigma-delta converter. The reconstruction of the samples into data at the |
| 7580508 |
Integrated collimator handling system and method |
August 25, 2009 |
| A collimator handling system for partially or fully automating the task of replacing and storing collimators in nuclear imaging systems. A collimator server stores a set of different collimators in stacked drawers which may be automatically extracted into the detector. The reduction |
| 7579600 |
Preclinical SPECT system using multi-pinhole collimation |
August 25, 2009 |
| A preclinical nuclear imaging detector system, including a gantry and one or more detector assemblies, each including a scintillator configured to interact with radiation emanating from a target test object being imaged and at least one pinhole collimator, having one or more pinhole aper |
