Definition of standard volume element for statistical data of cluster analysis

FIELD: measuring equipment.

SUBSTANCE: illustrative method involves obtaining bidimentional (2D) or three-dimensional (3D) digital images of a rock sample. The method also includes an iterative analysis of property measurements, collected for all digital images, using parts of a sample of different sizes, to determine the convergence of the distribution of properties as a function of the size of a part of the sample. The method also includes selecting the smallest part of the sample corresponding to the convergence of the property distribution as a standard element of the area or volume for the rock sample.

EFFECT: increase the representativeness of the received data.

22 cl, 10 dwg

 



 

Same patents:

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to image signal processing systems. An image signal processing device is disclosed. The device includes a receiving unit for receiving an image signal and setting information for each given segment of the image signal including image type setting information to define whether the image signal represents a stereoscopic image. The device also includes gamma correction setting information to define a gamma correction value for the image signal. The device also includes a gamma correcting unit for performing gamma correction for the image signal based on the gamma correction setting information included in the setting information received by the receiving unit. The device also includes a stereoscopic image processing unit for selectively performing a process to display the stereoscopic image for the image signal corrected by the gamma correcting unit based on the image type setting information included in the setting information received by the receiving unit.

EFFECT: high quality of the displayed image owing to gamma correction of the image depending on the type of image.

9 cl, 16 dwg

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to data processing and particularly to data recognition methods, including reading characters, images and patterns. A method for automated search for predetermined reference round seals is disclosed. The method includes a step of collecting a set of different predetermined images both containing round seals and not containing round seals. Further, the method includes training cascade classifiers on the collected sets of images and converting to a predetermined format all images of the reference seals given by a user. The method also includes detecting regions in the electronic file of the analysed object where a seal is likely to be found, and comparing the found regions with predetermined references.

EFFECT: faster detection of a predetermined reference round seal in any document.

FIELD: physics, video.

SUBSTANCE: invention relates to representation of digital images including video and TV info and can be used in digital stereoscopic TV systems. Proposed method comprises representation of the left and right frames of stereoscopic image as a single image including both frames in compliance with predefined 3D Tile Format. In compliance with proposed method, left frame L is located at the image top left section. Right frame R is divided into three parts to locate the first part at top right image part while second and third parts are located at bottom left part. Note here that info D on differences between frames L and R is additionally placed to bottom right section of the image and visualised as the image so that every image point brightness and colour indicates the distance between points of appropriate images in frames R and L.

EFFECT: use of one video flow for display at 2D and 3D visualisation devices.

2 dwg

FIELD: physics.

SUBSTANCE: device comprises the following units: obtaining, indication, comparison, determination. The obtaining unit is designed with a possibility to obtain these images which have the first data corresponding to the document placed on the table for documents of the reading device, and the second data corresponding to the white surface of the tabletop for documents. The indication unit indicates each of the signal values corresponding to multiple types of optical characteristics for each pixel of data of the image. The unit of comparison compares to each other the signal values which correspond to two types from multiple types of optical characteristics for target pixel, and the signal values are indicated by the indication unit. The determination unit determines on the basis of comparison executed by the comparison unit, whether the target pixel corresponds to the first or the second data.

EFFECT: improvement of accuracy of detection of the document area.

9 cl, 25 dwg

FIELD: physics.

SUBSTANCE: method includes a step of coding one or more blocks of video data representative of texture information of at least a portion of a frame of the video data. The method further includes processing a texture slice for a texture view component of a current view associated with an access unit, the texture slice comprising the coded one or more blocks and a texture slice header comprising a set of syntax elements representative of characteristics of the texture slice; forming or receiving the texture slice when performing texture slicing; coding depth information representative of depth values for at least the portion of the frame; and processing a depth slice for a depth view component of the current view corresponding to the texture view component of the current view.

EFFECT: high efficiency of encoding or decoding of video content with high resolution or high quality using information indicating whether texture information of the coding unit has been encoded, while taking into account the depth slice.

56 cl, 6 dwg, 6 tbl

FIELD: physics.

SUBSTANCE: disclosed is an image capturing device which captures a plurality of primary images in continuous capturing mode. The image capturing device includes an image capturing means configured to capture a plurality of auxiliary images during the interval between capturing a primary image and capturing the next primary image. The device also comprises a means of determining a primary object configured to determine a primary object. Furthermore, the device comprises first and second object tracking processing means. The first object tracking processing means is configured to detect an area where an object identical to a primary object exists, from a first area which is part of a first auxiliary image, from a plurality of auxiliary images.

EFFECT: high accuracy of the object tracking function of an image capturing device during continuous capture owing to elimination of time delay between detection of an object and obtaining focus information at the position of the object.

10 cl, 12 dwg

FIELD: transport.

SUBSTANCE: proposed device comprises image capture device mounted at the vehicle to catch the imaged sideways therefrom, nearby vehicle detection unit light projecting candidate object detector projecting the light with luminescence equal to or higher than the first threshold magnitude, unit to detect the causes for revealing if light projecting candidate object exists or not as well as supplier of data to driver on nearby vehicle.

EFFECT: higher accuracy of nearby vehicle.

9 cl, 9 dwg

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to computer engineering and specifically to image processing devices and methods. Disclosed is an image processing device for converting a source image. The device comprises an adjustment means, a computing means and an assembling means. The computing means generates a differential image. The assembling means assembles the differential image and the source image based on the density of the differential image. The adjustment means adjusts the blur level of the source image according to one of capture adjustments of the source image and an object included in the source image, wherein the object is defined by analysing the source image.

EFFECT: converting a source image into an image similar to a painting by adjusting the blur level according to a parameter of adjusting capture of the source image and the object included in the source image.

27 cl, 45 dwg

FIELD: physics.

SUBSTANCE: method comprises, at the sender, dividing an electronic image into macroblocks, each macroblock divided into N≥2 blocks from which K<N synchronisation blocks are selected; calculating a transmission synchronisation sequence and embedding into synchronisation blocks which allow embedding; at the recipient, establishing synchronisation of the digital watermark in the received electronic image for which, beginning with the selected initial point of the recipient, the received electronic image is successively divided into macroblocks and blocks, from which blocks for the intended synchronisation are selected; extracting therefrom verification subsequences and merging into a verification sequence which is compared bitwise with all shifts of the calculated receiving synchronisation sequence; the electronic image received by the recipient is considered an electronic image with established synchronisation of the digital watermark, corresponding to the intended synchronisation sequence with the least number of mismatches. The disclosed method can be used to increase the probability of establishing synchronisation of a digital watermark of an electronic image, divided into component parts of an arbitrary size, and for preventing visually noticeable distortions caused by embedding into blocks of the electronic image with virtually unchanged statistical characteristics of transmission synchronisation sequences.

EFFECT: improved establishment of synchronisation of a digital watermark of an electronic image when dividing the electronic image with an embedded digital watermark into component parts of an arbitrary size.

4 cl, 9 dwg

FIELD: physics.

SUBSTANCE: apparatus comprises: modules for detecting three-dimensional (3D) objects based on information on images of the back part of a vehicle from a camera, a module for evaluating natural objects for determining if a detected 3D object is a natural object, including roadside hedgerows or snow, based on an irregularity estimate calculated based on a number of first pixels for first pixels which represent a first predetermined difference in a difference image containing the detected 3D object, and a number of second pixels for second pixels corresponding to the 3D object and representing a second predetermined difference greater than the first predetermined difference, and a control module for controlling different processes. The control module inhibits the evaluation that a detected 3D object is another vehicle when the detected 3D object is evaluated using the module for evaluating natural objects as a natural object.

EFFECT: higher accuracy of evaluating natural 3D objects.

26 cl, 30 dwg

FIELD: physics, optics.

SUBSTANCE: invention relates to image processing for analysing an object. A system for analysing an object comprises a background unit placed behind the object to provide a background for the object, wherein the colour of the background unit can be selected from any of a set of colours; a controller configured to automatically determine the colour distribution of the object; determine a colour from the set of colours for the background based on the determined colour distribution of the object, wherein said colour differs from the colour of the object; and set the background colour to said colour; a camera configured to capture an image which includes the object and the background, set to said colour; and a processing unit configured to determine at least one feature associated with the object in accordance with the image captured by the camera.

EFFECT: high accuracy and stability of object analysis.

20 cl, 6 dwg

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment, namely to means of obtaining movement images, for instance, y means of positron-emission tomography. Method of detecting movement in the process of obtaining images by means of medical system contains stages at which subject's image is obtained in order to form data of obtaining images, which include time-of-flight data, time-of-flight data are controlled in the process of obtaining images, time-of-flight data are analysed to detect movement. Method of estimating respiratory movement in data of obtaining images contains stages at which subject's electrocardiogram is additionally obtained in the process of obtaining images and used to gating image data in order to form cardiosynchronised data, after which cardiosynchronised data are divided into time subintervals in order to obtain respiration-synchronised heart images, centre of activity is determined in respiration-synchronised heart images and centres of activity in different respiration-synchronised heart images are compared in order to form vectors of respiratory movement. In the second version of evaluation method electrocardiogram is used to divide data of obtaining images into cardiac cycles, centre of activity in cardiac cycles is determined and centres of activity in different cardiac cycles are compared in order to form vectors of respiratory movement.

EFFECT: application of invention makes it possible to reduce probability of errors in synchronisation of examination with respiratory movements.

15 cl, 9 dwg

FIELD: medicine.

SUBSTANCE: invention relates to field of microscopic examination of tissue and cells. Method contains stages at which: object, containing biological material and including multitude of adjacent layers and peculiarity of interest, extending through said multitude of adjacent layers are provides; picture of section of the first of said multitude of adjacent layers, cut from subject is provided; picture of section of the second of said multitude of adjacent layers, cut from object, is generated; delay between cutting sections of the first and the second adjacent layers of said multitude of adjacent layers is selected from any of hours, days, weeks, months, years; area of interest is determined on picture of the second layer section on the basis of area of interest on picture of the first layer section, area of interest is determined in section of the second layer on the basis of area of interest on picture of the second layer section and material is extracted from area of interest in the second layer section.

EFFECT: increased accuracy of extraction of material from object in the field of biology, histology or pathology.

16 cl, 11 dwg

FIELD: physics, navigation.

SUBSTANCE: set of inventions relates to detection of intermittent stationary objects. System to detect intermittent stationary object nearby moving object comprises image capture device, module to convert the point of observation, module to extract characteristic points, module to compute signal shape data, module to detect data on peaks, module to detect versions of intermittent stationary objects and module to evaluate said objects. System to detect intermittent stationary object nearby moving object comprises image capture step, step to convert the point of observation, step to extract characteristic points, step to compute signal shape data, step to detect data on peaks, step to detect versions of intermittent stationary objects and step to evaluate said objects.

EFFECT: high accuracy of detection.

15 cl, 21 dwg

FIELD: physics.

SUBSTANCE: method comprises image correction and unweighted full image segmentation (SEG) in snippets at the image preprocessing step (FPP), the use of a threshold value algorithm based on the detected local contrast changes at the detection step (DET), monitored learning with the aid of the support vector method (SVM) with a hyperplane (HE) for subdivision into two classes at the classification step (CLA), automatic calculation of the distance of the detected thermal signature of the marine mammal (TSMM) and its variation over time and space relative to the ship (RV) at the localisation step (LOC), the possibility of an instantaneous check of the decision by an operator at the verification step (VER), and automatic provision of user-specific image data (IRV) of the detected thermal signatures of marine mammals (TSMM) at the documentation step (DOC). An infrared camera system (IRC) with full or partial surround monitoring and an active gyroscopic stabilisation relative to the horizon (HZ) are used to generate data.

EFFECT: higher accuracy of real-time capture of marine mammals.

21 cl, 9 dwg

FIELD: physics.

SUBSTANCE: method comprises, at the sender, dividing an electronic image into macroblocks, each macroblock divided into N≥2 blocks from which K<N synchronisation blocks are selected; calculating a transmission synchronisation sequence and embedding into synchronisation blocks which allow embedding; at the recipient, establishing synchronisation of the digital watermark in the received electronic image for which, beginning with the selected initial point of the recipient, the received electronic image is successively divided into macroblocks and blocks, from which blocks for the intended synchronisation are selected; extracting therefrom verification subsequences and merging into a verification sequence which is compared bitwise with all shifts of the calculated receiving synchronisation sequence; the electronic image received by the recipient is considered an electronic image with established synchronisation of the digital watermark, corresponding to the intended synchronisation sequence with the least number of mismatches. The disclosed method can be used to increase the probability of establishing synchronisation of a digital watermark of an electronic image, divided into component parts of an arbitrary size, and for preventing visually noticeable distortions caused by embedding into blocks of the electronic image with virtually unchanged statistical characteristics of transmission synchronisation sequences.

EFFECT: improved establishment of synchronisation of a digital watermark of an electronic image when dividing the electronic image with an embedded digital watermark into component parts of an arbitrary size.

4 cl, 9 dwg

FIELD: information technologies.

SUBSTANCE: method is based on monitoring and input of signals with subsequent computer processing, identification of dynamic individual criteria of motor responses and current psychophysiological conditions of identified persons, generation of reference motor responses of identified persons, comparison with information produced during the first and further contacts with identified persons, for this purpose the text is reproduced on a graphic tablet, functions on its output are scaled by their reduction to standard duration and intensity, spaces are formed with criteria of identified persons by features of their signatures, identified persons are monitored through registration of physiological parameter reflecting their psychophysiological condition, the range of physiological parameter values is divided into subranges, a password is composed, assigned to each identified person. During comparison of criteria they detect numbers of the reference subrange, for which similarity of compared descriptions is maximum, and by the number of this subrange the decision is made on psychophysiological condition of the identified person, and by the reference number the decision is made about the identified person as they are.

EFFECT: increased reliability of personal identification when writing a password.

4 cl, 7 dwg

FIELD: physics.

SUBSTANCE: device further includes an OR logic element and a signature coefficient memory unit, address inputs of which are connected to outputs a shift register unit. All inputs of the shift registers are connected to outputs of the shift register unit, and the reset inputs of all shift registers are integrated and connected to the reset input of the shift register unit; outputs of the signature coefficient memory unit are connected to outputs of the device and to inputs of the OR logic element, the output of which is connected to the second control input of a control unit, the fifth and sixth outputs of which are respectively connected to the control input for accessing the signature coefficient memory unit and to the reset inputs of the shift register unit and a most significant bit address counter.

EFFECT: high efficiency of image recognition.

9 dwg

Vision system // 2538336

FIELD: electricity.

SUBSTANCE: invention is referred to the area of images receiving and processing. In the system the signal is delivered through light filters to the surface of cells filled with a substance polarised under action of the controller command for its light flux control. Upon passage through the light filter the light flux diffracts to slots and passes through transparent medium deviating per a certain angle equal to the wave length and coming to a photocell being a control element in the electric circuit, which allows current passing through a branch with the control element by increase or decrease of current or voltage. Identification and survey control are carried out with holographic techniques of identification by forming displays out of semiconductor elements using data on parameters of the sounding signal and information on environmental conditions from the built-in database.

EFFECT: provision of beam control inertia-free system with electroscopic regulating circuit of the signal parameters.

4 dwg

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to means of recognising objects on an image. The method includes recording the first and second longitudinal profiles of a target area, recorded after a given time interval with respect to each other; establishing a height difference profile based on the said longitudinal profiles; dividing the height difference profile into equidistant horizontal sectional planes of the height; calculating positions of centres of gravity of the areas surrounded by corresponding horizontal lines of the horizontal sectional planes of the height of the areas; sending the established height difference profile and the calculated centres of gravity of areas to an object classification system.

EFFECT: high accuracy of recognition owing to the correlation of horizontal lines on an image.

5 cl

FIELD: medicine.

SUBSTANCE: invention refers to medicine. The method characterised by the fact that a chosen territory map is covered with regular-hexagon cells equal in area; the epidemiologically significant findings are aggregated on the base by spatial addition; the findings are recorded in an attributive cell table and processed, so secondary parameters are derived, including: the number of patients, total length of an epidemic period, population, rate of growth of the number of patients; thereafter, the cells having related values are clustered; a degree of epidemic risk - maximum, moderate and low - is calculated for each cluster; that is followed by building an epidemic risk map and zoning the territory by combining the clusters; the high epidemic risk clusters include the cells having the maximum values, and the moderate and low risk clusters include those with the medium and minimum values.

EFFECT: increasing the epidemiological zoning accuracy.

2 dwg, 1 tbl

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