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Apparatus for determining change in size of object Group of inventions relates to computerised tomography techniques. The apparatus for determining change in the size of an object includes a unit for providing a set of image data for providing a first set of image data showing the object at a first time and for providing a second set of image data showing the object at a second time which is different from the first time. The apparatus also includes a unit for providing a region of interest for providing a first and a second region of interest in which objects shown in the first and second sets of image data are located. The apparatus also includes a recording unit for recording the first and second regions of interest relative to each other. Said unit is configured to generate a scaling value by performing scaling transformation for recording the first and second regions of interest relative to each other. |
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Improvement of combined device and anatomy visualisation Inventions relate to the means of visualising an object of interest together with a device, applied for treatment of a patient. The device contains a unit of the image formation, made with a possibility of presenting information about the image of the object of interest and the device, located inside, a processing unit and a display, made with a possibility of visualising the image, which represents a combination of information about the device image and an improved information about the image of the object of interest. It fulfils the detection and segmentation of the device basing on the information about the image, provided by the unit of the image formation, deleting the information about the device image; the detection of the object of interest basing on the provided information about the image; an improvement due to the time integration about the image of the object of interest with re-addition of the information about the device image. |
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Method of selecting extended linear objects on aerospace images Invention relates to means of selecting linear objects on images. The method comprises processing an image using a finite impulse response (FIR) filter, which enables to determine points belonging to extended linear objects on the image from the positive response of the FIR filter, based on analysis of mean-square deviation values of brightness of points of the filter window when the filter window is turned relative to each analysed point on the image. |
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System and method for interactive live-mesh segmentation Invention relates to means for segmentation of medical images. The method comprises initiating (210, 310) a segmentation algorithm to construct a surface mesh of an anatomical structure from a series of volumetric images; assigning (230, 330) a spring to each of the edges and a mass point to each of the vertices of the surface mesh; displaying (240, 340) a 2D reformatted view of the surface mesh and the anatomical structure; adding (280, 380) pull springs to the surface mesh, based on a selected point on a surface of the mesh; moving (290, 390) a portion of the surface mesh through an interactive point. |
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Method of monitoring flight strip and system for implementing method Invention relates to a system and method of monitoring the flight strip (FS). The system comprises one or several cameras which capture images of the FS; and an image processing system for detecting damages from foreign objects on the FS based on adaptive processing of images captured with the cameras, and for use of methods to improve the image quality to improve their clarity; at that the image processing system is formed so that to detect motions in the captured images, to study the background using only the images in which the motion is absent, to develop the composite map of contours during the study of background; at that the composite map of the background contours consists of a map of contours of adaptive background and previously studied map of the background, as well as additional seasonal marking created for a specific time of year or weather conditions; at that the monitoring system is adaptively suitable for detecting damages from foreign objects under conditions of outdoor lighting in the daytime and at night without forced lighting, including infrared or laser light devices. |
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Method of processing signals for detecting straight-line boundaries of objects seen on image Invention relates to digital image processing means. The method employs a gradient field to form three images which are then subjected to Radon transform and merged into a single image via point-by-point weighted summation of the three Radon transforms from the images. |
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Method for recognition and classification of object shape in labyrinth domain structures Method includes determining the number of objects on an image of a structure; using roundness and filling coefficients as morphological characteristics for each object; creating a fuzzy knowledge base for separating objects into rounded, elliptical and dumbbell shaped using a triangular membership function, and for non-rounded strip-like and branched objects - using a trapezoidal membership function based on experimental data of values of said roundness and filling coefficients; performing recognition of domains; generating a fuzzy classifier for separating objects according to shape into rounded, elliptical, dumbbell shaped, strip-like and branched objects based on the ratio of the roundness coefficient to the filling coefficient of the object; performing classification of the shapes of the objects. |
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Apparatus for selecting object contours on textured background when processing digital images Apparatus includes a Laplacian matrix generating unit (4); a diagonal matrix unit (5); delay units (14), (15); a control unit (13), decimation units (1), (2), (3); multiplier units (6), (8), (11); a multiplier (9); an adder unit (7); an inverse matrix unit (10); a delay unit (16); a linear interpolation unit (12); a clock-pulse generator (17). |
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Segmentation in mr-visualisation of heart in long axis projection with late contrast enhancement Invention relates to the image segmentation. Claimed is a system (200) for contouring the heart endocardium and epicardium on an image, calculated by data of long-axis images with application of a template for creating curves for contouring the endocardium and epicardium on the image, the system (200) contains a unit (205) of the template positioning for positioning the template on the basis of data of the short-axis images, a unit (210) of a scar map initiation for initiation of the scar map for application in adaptation of the template for the image on the basis of previous segmentation of the endocardium and epicardium surfaces on the basis of data of the short-axis images and an adaptation unit (220) for adaptation of the template for the image with application of a criterion function, the criterion function contains members, describing approximation of the template to the image peculiarities, and members, describing internal interactions inside the template, and in which at least one member of the criterion function is created on the basis of the scar map. |
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Method and system of text improvement at digital copying of printed documents Invention relates to means of copying text documents. In the method the printed document is scanned, the scanned image is obtained, the connected regions of symbols are identified, the typical colours for groups of connected regions of symbols are determined, the contours of these regions are approximated using the sequences of line segments and curve segments, the rasterisation of the approximated contours is carried out with filling of their inner area by the respective typical colours, the modified image is printed. |
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Invention relates to moving picture encoding technology for motion vector predictive encoding. The motion vector predictive encoding method in a moving picture encoding scheme in which an image to be encoded is divided into blocks and encoding is performed using motion compensation for each block. The method includes a step of performing motion search for a block to be encoded in an image to be encoded using an encoded reference image to calculate a motion vector. A plurality of blocks is set as primary candidate blocks, said plurality of blocks including at least one of the encoded blocks in the image to be encoded and encoded blocks in the encoded image. N primary candidate reference motion vectors are determined and the degree of reliability thereof is calculated. |
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Device and method for localising object of interest in subject Present invention relates to electrophysiology. The device includes a registration unit (25) for registering (120) a 3D-representation of a subject, which comprises a plurality of segments corresponding to a plurality of structural regions of the subject, with a 2D-image (200), wherein the registration unit is adapted to define a plurality of areas (205, 210, 215) in the image such that at least one area of the plurality of areas is associated with a respective region of the plurality of regions, and a localisation unit (30) for localising (125) the object, extracting an indication of the object from the image by processing the image, wherein the processing is limited to an object area of the plurality of areas which is associated with a predetermined object region. |
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Method, apparatus and system for interlinking video image and virtual network environment Invention relates to means of processing video images in a virtual network environment. The method involves obtaining video data of a user, displaying, on the screen of a client, a video image corresponding to said video data in a virtual environment, determining, at a predetermined time, whether video data of the user satisfy a predetermined requirement, prohibiting the user from carrying out an action in the virtual environment if the video data of the user do not satisfy the predetermined requirement. |
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Identification and analysis of persistent scatterers in series of sar images Invention relates to a method of identifying and analysing persistent scatterers (PS) in a series of digital synthetic aperture radar (SAR) images. Disclosed is a method of identifying PS in digital SAR images of an area of the Earth's surface, each taken at a respective time. The method involves processing the digital images to produce digital generalised differential interferograms, wherein the method also involves analysing properties of pairs of pixels in the digital generalised differential interferograms to identify individual pixels imaging PS. |
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Method of calculating movement with occlusion corrections Invention relates to video data processing means. The method involves initial calculation of four vector fields of movement using a variation optical flux algorithm, detecting occlusion and calculating occlusion maps for forward and reverse movement, clustering movement based on the combined affine model of forward and reverse movement using the calculated occlusion maps and data on the current frame, and refining movement in the occlusion regions. |
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Coding element is corrected based on image characteristics with simultaneous enlargement of the maximum size of the coding element taking into account the size of the image. The method of decoding video includes a step of receiving and analysing the bit stream of an encoded image. The method also includes determining coding elements having a hierarchical structure, which are data entities in which the encoded image is decoded. The method also includes determining sub-elements for predicting coding elements using information indicating the form of division of coding elements and information on prediction elements of coding elements obtained via analysis from the received bit stream. The sub-elements have regions obtained by dividing at least either the height or the width of coding elements according to arbitrary ratios. |
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Movement evaluation techniques Invention relates to video and image processing techniques, particularly a movement evaluation device and method. Disclosed is a method of determining a motion vector between a reference image and a current image, comprising steps of: determining, using a computation module, a plurality of lower bound values of the measured error for a block in the stored current image, wherein each of said lower bound values of the measured error matches the stored search position in the stored reference image; determining a division threshold using lower bound values of the measured error for the block in the stored current image; selecting a plurality of candidate positions from the plurality of search positions based on the determined division threshold; identifying one of the candidate positions as a matching position for the block in the current image; and determining, using the computation module, a motion vector based on the block in the current image and in the matching position. |
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Coding element is corrected based on image characteristics with simultaneous enlargement of the maximum size of the coding element taking into account the size of the image. The video decoding apparatus has a receiver which receives and analyses an encoded image bit stream. Also disclosed is an apparatus having a processor, which determines coding elements with a hierarchical structure, which are data entities in which an encoded image is decoded. The apparatus also determines sub-elements for predicting coding elements using information indicating the form of division of coding elements and information on coding element prediction elements obtained via analysis from the received bit stream. The sub-elements have regions obtained by partitioning at least either the height or the width of coding elements according to arbitrary ratios. |
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Method of determining coefficient of heterogeneity of mixture of hard-to-separate granular materials Method of determining the coefficient of heterogeneity of a mixture of hard-to-separate granular materials involves determining the number of samples, the minimum allowable weight of a sample, collecting samples of the mixture and components thereof. The samples are distributed in a uniform layer on a smooth surface and photographed. Pixel-by-pixel analysis of images of miscible components is performed to obtain histograms of distribution of pixels of the image on shades of gray with respect to the total number thereof, followed by determination of the threshold shade. Concentration values of the key component in samples of the mixture are then determined as a ratio of the number of pixels corresponding thereto to the total number of pixels of the image of the sample and the coefficient of heterogeneity of the mixture is then calculated. When calculating the value of the threshold shade, coordinates of the centroids of areas of the histograms of distribution of pixels of the components of the mixture are found and the value corresponding to the abscissa of the middle of the section between the centroids of the areas of the histograms is assigned the threshold shade. |
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Method and apparatus for encoding and decoding motion vector Invention relates to computer engineering and specifically to encoding and decoding a motion vector by predicting the motion vector of a current unit. The method of encoding a motion vector includes a step for selection from a first mode and a second mode. Information indicating a motion vector predictor from at least one motion vector predictor is encoded in the first mode. Information indicating generation of the motion vector predictor based on pixels included in a pre-encoded region adjacent to the current unit is encoded in the second mode. The method also involves determining the motion vector predictor of the current unit in accordance with the selected mode and encoding information on the motion vector predictor of the current unit. |
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Method of imaging fluorescence traces of object Invention relates to means of analysing fluorescence traces of an object in a displayed image. The method involves generating a video sequence of frames, dividing said sequence into groups in which the inter-frame difference is less than a given threshold value, calculating the average value of digital codes for frame elements within the groups, determining the maximum value from the obtained average values of digital codes for corresponding frame elements, forming an image of fluorescence traces of the object with the maximum value of digital codes. |
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Method and device for image encoding and decoding using large transformation unit Image decoding device includes a processor which determines coding units with a hierarchical structure for decoding an image. The device also includes at least one prediction unit for predicting each coding unit. Furthermore, the device includes at least one transformation unit for reverse transformation of each coding unit by using information on the form of division of the coding unit, information on at least one prediction unit and information on at least one transformation unit, obtained by analysis from a received bit stream of encoded video. |
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Method and apparatus for encoding and decoding motion vector Image decoding method includes a step of obtaining prediction mode information of the current unit from a bit stream. Further, the method involves determining a unit combined with the current unit from a first unit combined with the current unit in the previous frame, and a second unit combined with the current unit in the next frame to obtain motion vector predictor candidates for the current unit based on the obtained prediction mode information. Motion vector predictor candidates for the current unit are also obtained using the determined unit combined with the current unit. |
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Method of evaluating photographic, film and video materials containing undesirable image (versions) Invention relates to image content processing means. The method involves browsing the object to evaluated and identifying features of an undesirable image of a first group - dynamic features and of a second group - static features. If a feature of a first group or a second group is identified, features of a third group (adverse health consequences) and of a fourth group (shooting conditions) are identified. The method involves formalised analysis of the evaluation of the object based on said groups of features, determining a quantitative expression of the identified features based on factorial analysis taking into account the factorial load coefficient, summation of quantitative indicators of the identified groups of features and determining presence of an undesirable image. |
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Image encoding apparatus, image decoding apparatus, image encoding method and image decoding method Image decoding apparatus receives a predictive-coded bit stream which is generated by dividing each frame of a moving image signal into reference units of a given size. The apparatus decodes the bit stream to obtain a moving image signal. The apparatus includes a decoding unit for decoding the bit stream to obtain information which indicates a given size. The apparatus also operates in motion prediction mode and determines the motion vector for each of the reference units, or for each of the single motion prediction units defined as units obtained by hierarchical division of the reference units. The motion prediction mode determines the motion prediction procedure for single motion prediction units. |
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Method to detect defects in food in real-time mode Method to detect defects in process of food manufacturing, including a processing unit, includes the following stages: capturing image of the specified food in visible spectrum; completion of multidimensional analysis of the image above the produced image for setting a data set; detection of defect availability on the basis of the specified data set; at the same time the specified defect occurs, when the specified food has moisture content of more than around 2.0 wt %. At the same time the specified defect exists, when the specified data set detects that at least around 10% of the displayed area of the specified displayed food contain soft centre; rejection of the specified food having specified defects. At the same time the specified multidimensional analysis of the image is carried out by means of a logic programmed in a valve matrix programmed by a user. |
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Group of inventions refers to medicine, namely to methods and systems for angiography. The method involves a phase of forming a number of projections of an object of interest with the projections having different projection angles, a phase of determining geometrical aspects of an elongated element in each of the projections, a phase of calculating an index on the basis of the geometrical aspects, a phase of specifying the projections having a desired index. The system is implemented to perform the phases of the method for detecting the variations of the elongated element found out in the object of interest, and comprises a machine-readable medium. |
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Method and system for controlling video surveillance record playback Playback control system comprises: a video recording means, a motion detecting means and a video playback means, wherein the video recording means is capable of recording video surveillance; the motion detecting means is capable of recognising a video image in real time and labelling a time index for a dynamic frame (dynamic frames) of the video when recording using the video recording means; and the video playback means is capable of obtaining the time index from the motion detecting means and playback the dynamic frame(s) of the video surveillance record in accordance with the time index when playing back the video surveillance record. |
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Ultrasound assessment of cardiac synchronicity and vitality Invention relates to medical equipment, namely to ultrasound diagnostic systems of image formation. Device contains probe, made with possibility of transmitting ultrasound waves in heart and receiving response echo-signals, image processor, reacting on echo-signals, made with possibility of producing succession of myocardium images within, at least, part of cardiac cycle, analyser of myocardium movement, reacting on succession of images, which determines movement of multitude of myocardium segments, processor of engagement, reacting on movement of segments, produced by indicator of collective participation of multitude of segments as percentage of complete displacement of myocardium during cardiac cycle and relative intervals of time of participation of segments in myocardium movement relative to percentage of complete displacement during cardiac cycle, and display, connected with processor of engagement, which reflects indicator. |
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Method of identifying insert frames in multimedia data stream Invention relates to image data processing means. The method involves calculating overall differential brightness of each difference frame and the brightness threshold of three previous difference frames, comparing brightness characteristics of the difference frame with the threshold of the overall differential brightness calculated during replacement of video stream frames, identifying the first boundary of an insert frame and identifying an insert frame of said stream. |
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Simultaneous model-based segmentation of objects satisfying predefined spatial relationships Surface mesh is adapted to each object to be segmented. To avoid or reduce the possibility of mesh collision, a plurality of connecting edges for connecting two neighbouring meshes are used. Connection energy defined for the plurality of connecting edges allows controlling the spatial relationship between the first and second mesh. This is achieved by including in the connection energy expression terms that will increase the connection energy when the length of edges of the plurality of connecting edges connecting the first and second mesh decrease. Using the reference configuration of the plurality of connecting edges defined based on the pre-positioned first and second mesh allows taking into account prior knowledge about a typical spatial relationship between the first and second object of the plurality of objects. |
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Techniques for detecting video copies Method involves extracting speeded up robust features (SURF) from reference video; storing SURF points from the reference video; determining trajectories of SURF points as spatial-temporal features of reference video based on the SURF points; storing the trajectories of SURF points; and generating indexes for the trajectories of SURF points. |
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System (10) for correcting anatomical images includes: a magnetic resonance (MR) imager (12) which obtains MR image data (14) of a subject (60) during scanning to collect MR data; a nuclear scanner (20) which obtains nuclear image data (23) of a subject (60) during scanning to collect nuclear data, and simultaneously measures transmission data (22) from a radiation source (18) located in the investigation region of the nuclear scanner (20); and a processor which: generates an attenuation correction (AC) map (16) from the MR image data (14); iteratively adjusts the AC map (16) to form an improved AC map (32) using the measured transmission data (22); and makes corrections to image nuclear data (23) based on attenuation using the improved AC map (32). |
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Method of displaying surrounding environment Method involves determining current time characteristics, taking into account the state of the atmosphere, determining the spatial position of the imaging means, based on data from spatial positioning means, the obtained image is compared with three-dimensional models of the surrounding environment and electronic maps stored in a dynamically populated knowledge base, identifying objects of the surrounding environment that are part of the image using means of recognising and identifying samples associated with said base, where said base is constantly populated and improved with knew data obtained from identification of said objects. |
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System includes a unit for inputting digital 2D images of histological sections of substantia nigra with highlighted specific neurons, an image processing unit, a unit for displaying a 3D model of neuron distribution and a unit for storing images and formed models, all units connected with possibility of exchanging data and controlling the reconstruction process. The image processing unit includes a unit for superimposing layers, a unit for selecting neurons, a neuron clustering unit and a cluster adjustment unit. |
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Method and device for filling occluded areas of depth or disparity map estimated from two images Method involves pixel by pixel browsing of each line of the depth or disparity map, formed by a pixel matrix, in a predefined direction and assigning each invalid pixel encountered on a current line a value determined as a function of pixel values associated with a predefined vicinity around the first valid pixel that follows the invalid pixel on the current line and the value of which corresponds to a greater depth or a lesser disparity relative to the value of the last valid pixel. |
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System (200) has breaking unit (210) for breaking an image into a plurality of image areas, each image area displaying an area of the anatomical structure, and an adaptation unit (220) for adaptation of the referenced image to the evaluation function-based image, wherein the evaluation function is a function of parameters of the reference image and index numbers of the image and relative positions thereof on the image, and based on a criterion which must be satisfied by the index numbers of the evaluation function, wherein the evaluation function is determined based a plurality of image areas. Determination of the evaluation function based on a plurality of image areas enables to calculate optimum values of input into the value of the evaluation function within each image area. |
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Method of determining ice ridges on ice cover on water areas In the method, by selecting on an original infrared image reference points representing values of ice thickness and brightness thereof; using values of brightness and the calculated functional relationship between a virtual relief and the relief of the brightness field on the infrared image obtained from an artificial earth satellite; for the original infrared image, brightness of "warm" and "cold" points is calculated; the analysed image is displayed in form of a spatial distribution of matrix elements corresponding to brightness values of each image pixel; ordered structures of the brightness field are selected and then displayed in form of a colour painting. |
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Computer-implemented method and system for remote control of production process Method can be used for remote control of production process infrastructure in an apparatus (1) for extracting, processing and/or producing materials. This process is controlled by a control system performed with one or more computers, and with one or more computer display devices (10). At least one computer has a graphic three dimensional model of the process infrastructure, where the position of the process infrastructure in the three-dimensional model is selectable. The selected position is identified from an observation point in that model. Information on observation points from that model is used to arrange one or more cameras in the real apparatus. Images of the real apparatus are combined with the three-dimensional model using various techniques. |
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Invention relates to ultrasound means for diagnostic visualisation. System contains ultrasound probe for obtaining sequence of ultrasound images as perfusion of tissue with contrast substance takes place, multitude of images additionally includes anatomical reference point, showing tissue movement, processor of contrast substance perfusion and image processor, which identifies anatomical reference point and processing images, containing anatomical reference point, separating from processing the images, which do not include it. Method consists in obtaining sequence of ultrasound images of tumour and adjacent to it tissue as perfusion of contrast substance takes place, processing of images to identify tissue movement, with processing of only those images, which have not been subjected to negative impact of tissue movement, in order to determine perfusion parameter, which is a biomarker of treatment efficiency. In the second version of method only synchronised with respiratory movements ultrasound images are selected and normalised parameter of tissue perfusion with contrast substance is separated as related to tumour biomarker. |
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Device for diagnosing neurodegenerative diseases Invention relates to means for diagnosing neurodegenerative diseases. Device contains module of obtaining images which receives visual data about patient's brain state, and image analyser, made with possibility of determining quantitative index, which shows degree of development of neurodegenerative disease of patient's brain on the basis of visual data with application of probability mask for determination of studied areas on the image, specified by visual data. Method of clinical assessment includes stages of obtaining visual data and their analysis for determination of quantitative index, which makes it possible to assess degree of development of neurodegenerative diseases of patient's brain with application of probability mask. Software carrier contains computer programme, settings of data processing device for its performance of at least one of method stages. |
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Device and method to process images, and software Modules from a module 23 for calculation of a quantitative index of blur extent to a module 27 for calculation of a quantitative index of colour intensity withdraw the quantitative value of the specified characteristic from the input image, and the quantitative index is calculated using a separately taken characteristic, which characterises assessment of the input image on the basis of this characteristic. Thus, the module 24 for calculation of the quantitative index of brightness withdraws characteristics and the brightness value as a quantitative value from the input image, and calculates the quantitative index of brightness, which characterises assessment based on distribution of brightness value in the area occupied by the object, in the input image. The module 28 for calculation of the total quantitative index calculates the total quantitative index on the basis of each quantitative index of separately taken characteristics, and this total index characterises assessment of image fixation condition for the input image. |
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Method and apparatus for encoding residual block, method and apparatus for decoding residual block Method of encoding a residual block comprises steps of generating a prediction block of a current block; generating a residual block based on the difference between the prediction block and the residual block; generating a transformation residual block by transforming the residual block to a frequency domain; splitting the transformation residual block into frequency band units; and encoding effective coefficient flags indicating frequency band units, in which nonzero effective transformation coefficients exist. |
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Estimation of treatment with application of ultrasound contrast substances Invention relates to medical equipment, namely to ultrasound diagnostic systems. System contains ultrasound sensor for obtaining succession of ultrasound images as perfusion of contrast substance in tissue takes place, unit for calculation of parameter of contrast substance accumulation time for tumour and for normal tissue and unit for calculation of ratio of accumulation time parameter for tumour and accumulation time parameter for normal tissue. In the second version system contains ultrasound sensor for obtaining succession of ultrasound images of linearly dependent data of echo-signal from tumour and tissue that surrounds it as perfusion takes place, unit for calculation of time intensity of contrast substance for linearly dependent data of echo-signal of tumour and for data of echo-signal of normal tissue and unit for calculation of difference curve for linearly dependent curves of time intensity for tumour and for normal tissue. |
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Thickness gauge for measuring image objects Method includes an image forming step (710); a step (720) of placing a thickness gauge (21) in image data space; a scaling step (730) for selecting the scale of the thickness gauge (21) using a scaling factor in said data space; a step (740) of moving the thickness gauge (21) in said data space; and a thickness gauge forming step (750) for imaging thereof; wherein the object is measured based on the scaling factor. |
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Motion correction method for dynamic volume alignment without time restrictions When performing repetitive scans on a patient using a magnetic resonance imaging machine or the like, patients often tend to move as they relax during a lengthy scanning session, causing movement in the volume or portion of the patient being scanned. A prospective motion correction component accounts for patient movement by calculating transformation data characterising patient movement in multiple planes, as well as rotational movement, and a host evaluates the change in position relative to a most recent scanning geometry of the patient or dynamic volume. In this manner, correction or adjustment to the scanning geometry employed by an associated scanner is made only for the difference between the current geometry and the most recent geometry in order to exclude redundant adjustment that can result in oscillatory over- and under-compensation during adjustments. |
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Method of personal identification Video cameras are arranged in pairs, at the same time they are synchronised with each other and calibrated in respect to each other by three coordinates in general objects, forming a stereo module from two video cameras, stereo modules are arranged at the specified fixed distance from each other in the amount of two and more, at the same time each stereo module realises independent 3D reconstruction of its visible part of the person's face, the reconstructed parts of the person's face are combined into a common 3D reconstruction of the person's face, at the same time continuous or periodical calibration of stereo modules is carried out between each other by video images of cameras without suspension of 3D reconstruction of faces, using the 3D reconstruction of the person's face built with the help of all stereo modules, comparison is carried out between the face of the identified person and the basic face image, using comparison results, the personal identification is carried out. |
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Visualisation of vascularisation Group of inventions relates to medicine, visualization of vessels and their connection with pathological changing. Data of 3-dimensional image, reflecting spatially changing degree of connection of vessels between areas of data in 3-dimensional image and pathological changing, are created. Data can be represented by means of displaying maximal intensity projection (MIP), where image brightness represents degree of vessel participation in blood supply of pathological changing. Corresponding computer-readable carriers are used in method realisation. Described methods of visualisation can be useful in visualisation of connectedness with structures which are not pathological changes, and in visualisation of connectedness which is not connectedness of vessels. |
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Method of searching for displacement vectors in dynamic images Displacement vectors are searched for by searching for global displacement, breaking up the image into multiple layers of blocks, successive processing of the layers using various search schemes, using displacement vector prediction, as well as selecting displacement vectors based on efficiency of their further entropy coding. |
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In the method, fragments which correspond to an object and/or an event are selected from initial video data; features are calculated for each fragment, which influence fragment priority estimation and/or are used when searching for fragments in the storage; the priority of each fragment is estimated based on its features; the fragments are sorted each according to its priority and the obtained priority queue of fragments or a fragment with the highest priority is transmitted over communication channels to a user and/or storage. |
Another patent 2513798.