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7620501 |
Artery-vein separation and vessel modeling
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...
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7620229 |
Method and apparatus for aiding image interpretation and computer-readable recording medium storing program therefor
In comparative image reading of projection images representing an observation target in two three-dimensional images of the same subject photographed at different times, alignment accuracy can be...
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7616794 |
System and method for automatic bone extraction from a medical image
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...
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7616793 |
Medical image review workstation with integrated content-based resource retrieval
A review workstation for facilitating interpretation of a medical image by a user is described. The review workstation comprises a display device displaying the medical image to the user, and an...
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7616783 |
System and method for quantifying motion artifacts in perfusion image sequences
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 1 (x,y,z) and I 2 (x,y,z), each image comprising a...
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7609871 |
Automatic region of interest locator for AP spinal images and for hip images in bone densitometry
In DEXA (dual energy x-ray absorptiometry), a system for automatically or nearly so identifying a region of interest in an AP (anterior/posterior) spinal image by processing the pixel values within...
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7606403 |
Model-based fusion of scanning probe microscopic images for detection and identification of molecular structures
In certain embodiments of the invention, a plurality of images of one or more subjects may be captured using different imaging techniques, such as different modalities of scanning probe microscopy....
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7606402 |
Methods and systems for physiologic structure and event marking
A medical imaging system includes image acquisition circuitry, a memory, and a processor coupled to the image acquisition circuitry and memory. The processor executes a physiologic marker program...
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7602953 |
Method for acquisition, analysis and representation of a medical image data set
In a method for acquisition, analysis and representation of at least one medical image data set created in a medical examination, an image data set of an examination region of an examination...
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7599727 |
Lighting and imaging system including a flat light source with LED illumination
A system for lighting a stent, i.e., providing an illumination source, to facilitate the capturing of an image of the stent. The lighting is provided so that an image capturing device, e.g., a...
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7599540 |
Motion compensated reconstruction technique
The long scan time in PET imaging may lead to a significant loss of resolution, due to patient or organ motion. According to the present invention, the distortion or motion may be compensated by...
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7599535 |
System and method for tree-model visualization for pulmonary embolism detection
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...
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7596255 |
Image navigation system and method
A navigational tool is provided for selection of images of interest in large series of images. Difference indices are calculated between adjacent images in the series, and the indices are used to...
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7593561 |
Computer-aided detection of microcalcification clusters
A method for computer-aided detection of microcalcification clusters using a digital computer obtains digital mammography data for a single view image and normalizes and filters the image data to...
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7593555 |
Method and unit for refining digital x-ray images
method for simplifying the adjustment of a digital x-ray device for the refinement of the x-ray images, and to an image refining unit for carrying out said method. According to the invention, a...
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7590270 |
Method and apparatus for visualizing deposits in blood vessels, particularly in coronary vessels
A method and an apparatus are disclosed for visualizing deposits in blood vessels, particularly in coronary vessels. In such a method, 2D slice images may be reconstructed from the measurement...
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7586501 |
Simultaneous projection of multi-branched vessels and their context on a single image
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...
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7574452 |
Transactional storage and workflow routing for medical image objects
A Picture Archiving and Communications System (PACS) implements medical image, video, and medical record storage, retrieval and archiving with transactional processing having properties of...
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7574253 |
Signal processing using non-linear regression with a sinusoidal model
A method for processing signals, such as a tomography signal, in the time domain provides both high spatial resolution and high frequency resolution but at low cost. The method uses non-linear...
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7574029 |
Characteristic path-based colon segmentation
This document discusses, among other things, systems and methods for efficiently calculating a colon segmentation from one or more candidate virtual three-dimensional objects. A sequence of image...
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7570802 |
Automated centerline detection algorithm for colon-like 3D surfaces
A three dimensional image of the colon like surface is processed to determine at least its ring structure. The image is composed of vertex points, each vertex point having a discrete point...
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7567694 |
Method of placing constraints on a deformation map and system for implementing same
A system and method of placing constraints on a deformation map. The method includes the acts of generating a deformation map between two images, identifying a defined structure in one of the...
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7565190 |
Cardiac CT system and method for planning atrial fibrillation intervention
A method for planning atrial fibrillation (AF) intervention for a patient includes obtaining acquisition data from a medical imaging system, and generating a 3D model of the left atrium and...
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7558611 |
Automatic detection and quantification of coronary and aortic calcium
An automated method measures coronary calcium in a living subject using x-ray computed tomography (CT). The method acquires at least one CT image containing voxels representing x-ray attenuation of...
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7551758 |
Medical viewing system and method for detecting borders of an object of interest in noisy images
The invention relates to a viewing system and a method for detecting an object of interest in a sequence of images (IS). Said object of interest is detected by first locating localizers related to...
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7551721 |
X-ray diagnostic apparatus, image processing apparatus, and program
An X-ray diagnostic apparatus includes an image generating unit which generates a plurality of X-ray images by repeatedly radiographing a subject before and after injection of a contrast medium, a...
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7545967 |
System and method for generating composite subtraction images for magnetic resonance imaging
In time-resolved contrast-enhanced magnetic resonance angiography, a measure quantifying image quality provides a basis for generating a linear filtered composite image by facilitating selection of...
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7539336 |
X-ray diagnostic apparatus and method for operating an x-ray diagnostic apparatus for determining quality values
The invention relates to an angiographic x-ray diagnostic apparatus with an x-ray radiator having an x-ray tube, with a patient positioning table having a radiation-transparent positioning plate...
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7539334 |
Method and apparatus for identifying mole growth
A mole analysis program generates a digital signature for a first mole, based on a digital image of first, second, and third moles. The program may then determine whether the first mole matches a...
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7532214 |
Automated medical image visualization using volume rendering with local histograms
Methods and apparatus are configured to provide data to render (medical) images using direct volume rendering by electronically analyzing a medical volume data set associated with a patient that is...
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7522701 |
System and method for image composition using position sensors
Certain embodiments of the present invention provide systems and methods for image composition. Certain embodiments include acquiring a first image of an object using an imager, obtaining first...
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7519414 |
Method and apparatus for visualization of 2D/3D fused image data for catheter angiography
In an image post-processing method and apparatus for 3D visualization of 2D/3D fused image data for use in catheter angiography in an endovascular interventional procedure, upon forward movement of...
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7505549 |
X-ray diagnosis apparatus
In a storing unit of a medical image processing apparatus, first 3D image corresponding to a first period and second 3D image data corresponding to a second period are stored. The first 3D image...
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7496453 |
Classification of herbal medicines using wavelet transform
An efficient, effective and reliable method for authentication of herbal medicines (HMs) based on a novel wavelet-enhanced automated three-dimensional chromatograms classification system. The...
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7486985 |
Near-infrared spectroscopic analysis of blood vessel walls
The invention relates to methods and devices for characterizing tissue in vivo, e.g., in walls of blood vessels, to determine whether the tissue is healthy or diseased.
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7483555 |
Method and system for digital image processing
In an embodiment, a method of digital image processing is provided wherein the method includes the actions of (i) segmenting a data set of an image to be processed, based on predetermined...
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7477769 |
Data processing method usable for estimation of transformed signals
A method of processing data is privided. The method comprises the steps of: comparing first and second samples of a space, the first and second samples being related by a set of transformations, to...
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7471760 |
Device for obtaining structure data of a moving object
In addition to a radiation source ( 6 ) attached to a C-arm 4 , and in addition to a detector ( 7 ), a rotation angiography device ( 1 ) for the angiocardiography has an evaluation unit ( 8 ),...
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7457450 |
Method for recording and evaluating image data with the aid of a tomography machine
A method is for recording and evaluating image data with the aid of a tomography machine. At least two recordings with different spectral distribution are made of an examination area of an object....
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7454045 |
Determination of feature boundaries in a digital representation of an anatomical structure
A virtual anatomical structure can be analyzed to determine enclosing three-dimensional boundaries of features therein. Various techniques can be used to determine tissue types in the virtual...
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7450746 |
System and method for cardiac imaging
Ultrasound systems and methods are described to measure changes in cardiac chamber volumes and organ wall areas, thicknesses, volumes and masses between the cardiac chambers using computer readable...
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7447344 |
System and method for visualization of pulmonary emboli from high-resolution computed tomography images
A system and method for visualizing a tree structure in medical image data is provided. The method comprises: segmenting the tree structure in the image data ( 230 - 265 ); coloring an exterior of...
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7447341 |
Methods and systems for computer aided targeting
A method for acquiring an image on an imaging system includes accessing at least first image data from a first imaging system, processing the first image data in accordance with a CAD algorithm,...
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7440599 |
Apparatus and method for processing X-ray images
An X-ray image processing apparatus and method for processing X-ray images for generating a continuous X-ray image of relatively uniform converted gradations by pasting a plurality of consecutive...
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7433504 |
User interactive method for indicating a region of interest
A method for defining a volume of interest (VOI) in a medical image is presented. A user interface is used to select a point on an initial linear border segment of a volume of interest. The user...
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7426289 |
Overlay of tinted images for visualizing change in serial radiologic images
A method for combining serial radiological images includes the projection of each of the images onto a line in a color space, the evaluation of a vector sum of the resulting projections; and the...
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7415169 |
Medical viewing system and method for enhancing structures in noisy images
A viewing system and method for enhancing objects of interest represented on a moving background in a sequence of noisy images and for displaying the sequence of enhanced images, comprising...
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7409078 |
Method for registration of an image applied to digital subtracted angiography
In registration of images in digitized subtracted angiography, X-rays irradiate a patient's body. A first digitized mask image is acquired without an injection of the contrast agent into the body,...
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7400755 |
Inverse planning using optimization constraints derived from image intensity
A method of automatically identifying a region of differing intensity in a functional image is described.
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7400753 |
Biological sample optical measuring method and biological sample optical measuring apparatus
A fluorescent or luminescence image of at least part of a biological sample is imaged, then a transmission light image of at least part of the biological sample is imaged, and thereafter the...
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