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147 results about "Reference grid" patented technology
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Asymmetric mesh NoC topologies
A method of interconnecting blocks of heterogeneous dimensions using a NoC interconnect with sparse mesh topology includes determining a size of a mesh reference grid based on dimensions of the chip, dimensions of the blocks of heterogeneous dimensions, relative placement of the blocks and a number of host ports required for each of the blocks of heterogeneous dimensions, overlaying the blocks of heterogeneous dimensions on the mesh reference grid based on based on a guidance floor plan for placement of the blocks of heterogeneous dimensions, removing ones of a plurality of nodes and corresponding ones of links to the ones of the plurality of nodes which are blocked by the overlaid blocks of heterogeneous dimensions, based on porosity information of the blocks of heterogeneous dimensions, and mapping inter-block communication of the network-on-chip architecture over remaining ones of the nodes and corresponding remaining ones of the links.
Owner:INTEL CORP
Local enforcement of accuracy in fabricated models
ActiveUS7698014B2Dental implantsAdditive manufacturing apparatusDental ArticulatorsDimensional modeling
The systems and methods disclosed herein employ a combination of digital three-dimensional modeling and rapid fabrication technologies to provide pre-indexed, pre-registered, and / or precut components for articulated dental models. Dental articulators and components of dental models as described herein use a positioning key to encode positional information for components of the dental model, and / or a reference grid on mounting surfaces to enforce local accuracy of fabricated parts against a fixed reference array.
Owner:MEDIT CORP
Local enforcement of accuracy in fabricated models
ActiveUS20080015727A1Additive manufacturing apparatusImpression capsDental ArticulatorsDimensional modeling
The systems and methods disclosed herein employ a combination of digital three-dimensional modeling and rapid fabrication technologies to provide pre-indexed, pre-registered, and / or precut components for articulated dental models. Dental articulators and components of dental models as described herein use a positioning key to encode positional information for components of the dental model, and / or a reference grid on mounting surfaces to enforce local accuracy of fabricated parts against a fixed reference array.
Owner:MEDIT CORP
Method and apparatus for monitoring dynamic cardiovascular function using n-dimensional representations of critical functions
InactiveUS7413546B2Facilitates rapid accurate analysisRapid assessmentDrawing from basic elementsCatheterEnvironmental systemsGraphics
Owner:UNIV OF UTAH RES FOUND
ASYMMETRIC MESH NoC TOPOLOGIES
A method of interconnecting blocks of heterogeneous dimensions using a NoC interconnect with sparse mesh topology includes determining a size of a mesh reference grid based on dimensions of the chip, dimensions of the blocks of heterogeneous dimensions, relative placement of the blocks and a number of host ports required for each of the blocks of heterogeneous dimensions, overlaying the blocks of heterogeneous dimensions on the mesh reference grid based on based on a guidance floor plan for placement of the blocks of heterogeneous dimensions, removing ones of a plurality of nodes and corresponding ones of links to the ones of the plurality of nodes which are blocked by the overlaid blocks of heterogeneous dimensions, based on porosity information of the blocks of heterogeneous dimensions, and mapping inter-block communication of the network-on-chip architecture over remaining ones of the nodes and corresponding remaining ones of the links.
Owner:INTEL CORP
ASYMMETRIC MESH NoC TOPOLOGIES
A method of interconnecting blocks of heterogeneous dimensions using a NoC interconnect with sparse mesh topology includes determining a size of a mesh reference grid based on dimensions of the chip, dimensions of the blocks of heterogeneous dimensions, relative placement of the blocks and a number of host ports required for each of the blocks of heterogeneous dimensions, overlaying the blocks of heterogeneous dimensions on the mesh reference grid based on based on a guidance floor plan for placement of the blocks of heterogeneous dimensions, removing ones of a plurality of nodes and corresponding ones of links to the ones of the plurality of nodes which are blocked by the overlaid blocks of heterogeneous dimensions, based on porosity information of the blocks of heterogeneous dimensions, and mapping inter-block communication of the network-on-chip architecture over remaining ones of the nodes and corresponding remaining ones of the links.
Owner:INTEL CORP
Building datum extraction from laser scanning data
A method, apparatus, system, and computer program product provide the ability to extract level information and reference grid information from point cloud data. Point cloud data is obtained and organized into a three-dimensional structure of voxels. Potential boundary points are filtered from the boundary cells. Level information is extracted from a Z-axis histogram of the voxels positioned along the Z-axis of the three-dimensional voxel structure and further refined. Reference grid information is extracted from an X-axis histogram of the voxels positioned along the X-axis of the three-dimensional voxel structure and a Y-axis histogram of the voxels positioned along the Y-axis of the three-dimensional voxel structure and further refined.
Owner:AUTODESK INC
Method and apparatus for monitoring dynamic cardiovascular function using n-dimensional representations of critical functions
InactiveUS20050010117A1Facilitates rapidFacilitates accurate analysisDrawing from basic elementsCatheterSystem of systems engineeringGraphics
A method, system, apparatus and device for the monitoring, diagnosis and evaluation of the state of a dynamic system is disclosed. This method and system provides the processing means for receiving sensed and / or simulated data, converting such data into a displayable object format and displaying such objects in a manner such that the interrelationships between the respective variables can be correlated and identified by a user. This invention provides for the rapid cognitive grasp of the overall state of a critical function with respect to a dynamic system. The system provides for displayed objects, which change in real-time to show the changes of the functions of the system. It is a highly flexible system which works with a wide variety of applications, including biological systems, environmental systems, engineering systems, economic systems, mechanical systems, chemical systems and the like. The device of this invention is adapted specifically to providing objects within a frame associated with other objects in a reference grid to provide a graphical representation of cardiovascular function.
Owner:UNIV OF UTAH RES FOUND
Authentication system and method based upon random partial digitized path recognition
ActiveUS7073067B2Large capacityImprove securityDigital data processing detailsUser identity/authority verificationGraphicsData field
An authentication server provides a clue to a client indicating a random partial subset of a full pattern that characterizes a full digitized path on a frame of reference, and the client enters a data to fulfill an authentication factor suggested by the clue. The full pattern consists of an ordered set of data fields, which store parameters that specify the full digitized path on a reference grid for recognition. The server presents an instance of a graphical representation of the frame of reference, including an array of random indicators at data field coordinates in the frame of reference. The server accepts indicators from the array of indicators corresponding to coordinates along said digitized path identified by the random partial subset as input data to fulfill the authentication factor.
Owner:AUTHERNATIVE INC
Method and apparatus for locating and decoding a two-dimensional machine-readable symbol
InactiveUS20070228171A1Accurate mappingSimple and computationally straight-forwardCharacter and pattern recognitionSensing by electromagnetic radiationComputer visionDigital image
A method of locating and decoding a two-dimensional machine-readable symbol in a digital image, where the symbol has three finder patterns adjacent respective corners of the symbol, takes into account the possibility of skew and pitch when delineating the symbol in the digital image by estimating the unknown fourth corner based on lines passing through known symbol edge points. On the basis of the delineating, a reference grid is mapped to the digital image and a bit stream is extracted based on the mapping.
Owner:SEIKO EPSON CORP
Area segmentation method based on cleaning robot
ActiveCN105302136ASolve the problem that requires multiple mappingImprove cleaning efficiencyPosition/course control in two dimensionsComputer scienceReference grid
The invention provides an area segmentation method based on a cleaning robot. The method comprises steps that, grid map data is read in; pre-processing on a grid map is carried out; a rotation number N of a reference grid map is calculated; a cycle parameter k is initialized; whether a preset map segmentation condition is satisfied is determined; whether the cycle parameter k is smaller than the rotation number N is determined; a rotation grid map fk is acquired through k*dtheta-DEG rotation of the reference grid map; map segmentation on the rotation grid map fk is carried out; an optimal map sub area in all map sub areas acquired after rotation of the reference grid map is calculated; a main direction of the optimal map sub area is calculated, and the optimal map sub area is deleted from the reference grid map; the cycle parameter k is re-set, whether the preset map segmentation condition is satisfied is re-determined, and a cycle mode is carried out. Through the area segmentation method, a problem of multi-time map establishment existing in cleaning robots in the prior art is solved, and cleaning efficiency of the cleaning robot is greatly improved.
Owner:SHANDONG ZHONGHAO PLASTIC IND CO LTD
Lenticular image articles and method and apparatus of reducing banding artifacts in lenticular image articles
A method of creating a lenticular imaging article. The method comprises printing an interlaced composite image according to a reference grid of a printer, providing a lenticular lens sheet having a plurality of parallel lenticular lines between a plurality of lenslets, selecting an acute angle for an intersection between the first and second axes according to a function of a resolution of the interlaced composite image and a pitch of the lenticular lens sheet, and positioning the lenticular lens sheet so that the intersection forms the acute angle.
Owner:HUMANEYES TECH
Method for planning construction of brick wall
InactiveUS20050252118A1Accurately and promptly and determineIncreased durabilityConstruction materialData processing applicationsBrickGrid pattern
A method for planning the construction of a brick wall, a brick allocating program, and a brick allocating system for allocating bricks, metal plates, and bolts and nuts in a DUP construction method is provided, in which a grid pattern XY coordinate system forming square grids is specified, and odd number layer tightening grids (α) and even number layer tightening grids (β) are alternately set in X- and Y-directions. The brick (10) of an end part of the wall is positioned on a reference grid (γ) so that a first square half part of the brick having a bolt hole (30) matches the odd or even number layer tightening grid. The bricks of the odd or even number layer are successively arrayed from the reference grid, and the metal plates are disposed in such a manner that at least one bolt hole (53) of the metal plate (50) is located on the odd or even number layer tightening grids.
Owner:JAPAN SCI & TECH CORP
Novel organization method of single-scene image tile data
InactiveCN103336772AImprove retrieval speedImprove reading speedSpecial data processing applicationsComputer graphics (images)Engineering
The invention provides a novel organization mode of single-scene image tile data. Particularly, emphasis is laid on storing each tile data continuously, resampling to image data and randomness of a data reading position in a reading process of the tile data are reduced, and the reading efficiency of the tile data is improved, so that time consumption of map tilt rendering is reduced greatly, and real-time dynamic rendering of mass data is ensured. The organization mode comprises the steps of selecting a global geographical reference grid multilevel-division single-scene image, constructing a quadtree storage structure of the image tile data, reading the image data (retaining primitive attributes such as the band number of the data, and bit depth) within a geographical range of tiles for each division tile, forming the complete and continuous tile data, compressing and storing the tile data in a hard disk file, adopting the multilevel tile data of a quadtree structure organization image, and ensuring efficient retrieval and reading of the tile data.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
A novel photovoltaic inverter control method based on BP neural network and two-mode structure repetitive control
InactiveCN109193767ARealize no static error tracking controlImprove dynamic response characteristicsSingle network parallel feeding arrangementsPhotovoltaic energy generationCompensation effectDual mode
The invention discloses a novel photovoltaic inverter control method based on BP neural network and dual-mode structure repetitive control. According to the invention the output of the photovoltaic grid-connected inverter is connected to a power network after LCL filtering to carry out a sampling link. The phase theta extracted by the improved PLL is fed into the dqalpha beta transform. The difference between the reference voltage of the DC side and the actual voltage of the DC side is inputted into the PI controller; Obtaining the actual current signal ig through abcalpha beta transformationfrom the sampled current of the power network side. The difference between the reference grid-connected current ig and the actual current signal ig in the alpha beta coordinate system after the dqalpha beta transformation is subjected to the alpha beta abc transformation, and then is fed into the composite controller together with the actual current signal ig and the reference grid-connected current ig. The signal processed by the composite controller is sent to the notch filter for processing, and then the processed signal is sent to the SVPWM module, so as to generate periodic switching signals for controlling the grid-connected photovoltaic inverter, thereby suppressing the harmonics of the grid-connected photovoltaic inverter into the power grid. The compensation effect of the invention is superior to the traditional photovoltaic grid-connected inverter.
Owner:JIANGSU UNIV
Methods, apparatuses, assemblies, circuits and systems for assessing, estimating and/or determining relative positions, alignments, orientations and angles of rotation of a portion of a bone and between two or more portions of a bone or bones
The present invention includes methods, apparatuses, assemblies, circuits and systems for assessing, estimating and / or determining relative distances / positions, alignment, orientation and angles of rotation of a portion of a bone and between two or more portions of a bone, e.g. a fractured bone. According to some embodiments of the present invention, there may be provided a reference object (e.g. a reference grid), which reference object may include an array of reference markings visible in a radiographic image. The reference object may be used in conjunction with one or more radiographic imaging devices and image processing circuitry to facilitate determination of a 3D position and orientation of points within images acquired by the imaging devices from different angles and spatial relationships between these points.
Owner:ORTHOPEDIC NAVIGATION
Information input/output method using dot pattern
InactiveUS8031375B2Discriminate the key dotWithout wastefulnessDigitally marking record carriersVisual representation by matrix printersComputer graphics (images)Computer science
Owner:YOSHIDA
Information input/output method using dot pattern
InactiveUS20090066977A1Discriminate the key dotWithout wastefulnessDigitally marking record carriersDigital computer detailsComputer graphics (images)Optical reader
It is an object of the present invention to provide an information input / output method that is capable of imparting different functions to dots of a dot pattern displayed on a printed matter, thereby, at the time of providing information from the dot pattern, recognizing directivity and speedily providing information and that is capable of checking an error relative to a dot layout state, and further, that is capable of enhancing security. Therefore, according to the present invention, the information input / output method is provided, and includes: defining as a block a rectangular area of a square or a rectangle, of a medium face such as a printed matter; while a straight line in a vertical direction and a horizontal direction configuring a frame of the block is defined as a standard grid line, providing a virtual reference grid point by predetermined interval on the reference grid line; laying out a reference grid point dot on a virtual reference grid point; connecting the virtual reference grid points to each other and defining a straight line parallel to the reference grid line as a grid line; defining a cross point between the grid lines as a virtual grid point; generating a dot pattern obtained by laying out one or a plurality of information dots, respectively, having a distance and a direction around the virtual grid point; reading such dot pattern as image information by optical reader means; numerically valuing the dot pattern; and reading and outputting information that corresponds to the numerically valued information from storage means.
Owner:YOSHIDA
Method and apparatus for locating and decoding a two-dimensional machine-readable symbol
InactiveUS7546950B2Accurate mappingSimple and computationally straight-forwardTransmission systemsCharacter and pattern recognitionComputer visionDigital image
A method of locating and decoding a two-dimensional machine-readable symbol in a digital image, where the symbol has three finder patterns adjacent respective corners of the symbol, takes into account the possibility of skew and pitch when delineating the symbol in the digital image by estimating the unknown fourth corner based on lines passing through known symbol edge points. On the basis of the delineating, a reference grid is mapped to the digital image and a bit stream is extracted based on the mapping.
Owner:SEIKO EPSON CORP
Device and method for detecting pavement evenness based on image moire method
InactiveCN101812824AIncrease contrastSensitivity adjustableUsing optical meansRoads maintainenceImage processing softwareOutput device
The invention relates to a device and method for detecting the pavement evenness based on an image moire method. The device comprises a car body, wheels, a reference grid arranged on a bottom plate in the car, a light source, a filter and a focusing lens and a CCD camera, wherein the light source, the filter and the focusing lens are arranged at one side of the reference grid and the CCD camera is arranged at the other side of the reference grid. The device also comprises a notebook computer and a printing device. The computer is connected with the CCD camera and is provided with image processing software which can store and process the pavement images in real time. The invention introduces the image moire method into pavement detection, realizes automation and full digitalization of detection and has the advantages of simple operation, easy realization, low cost, high precision, etc.
Owner:EAST CHINA JIAOTONG UNIVERSITY
Device, method, and graphical user interface for resizing user interface content
ActiveCN102725724AImprove efficiencyImprove satisfactionInput/output processes for data processingElectronic documentGraphics
Heuristics for resizing displayed objects within an electronic document are disclosed. The heuristics include resizing displayed objects (516) to predefined ratios (3:5), resizing displayed objects by predefined increments (520-2 TO 520-6), relating resizing of displayed objects to a global reference grid (522), and resizing a plurality of displayed objects aligned to an axis.
Owner:APPLE INC
Method for planning construction of brick wall
InactiveUS7561936B2Accurately, promptly and systematically determine the allocationsEvenly distributedData processing applicationsConstruction materialBrickGrid pattern
A method for planning the construction of a brick wall, a brick allocating program, and a brick allocating system for allocating bricks, metal plates, and bolts and nuts in a DUP construction method is provided, in which a grid pattern XY coordinate system forming square grids is specified, and odd number layer tightening grids (α) and even number layer tightening grids (β) are alternately set in X- and Y-directions. The brick (10) of an end part of the wall is positioned on a reference grid (γ) so that a first square half part of the brick having a bolt hole (30) matches the odd or even number layer tightening grid. The bricks of the odd or even number layer are successively arrayed from the reference grid, and the metal plates are disposed in such a manner that at least one bolt hole (53) of the metal plate (50) is located on the odd or even number layer tightening grids.
Owner:JAPAN SCI & TECH CORP
Information input output method using dot pattern
InactiveUS8237983B2Easy to identifyAccurate calculationDigitally marking record carriersDigital computer detailsComputer graphics (images)Reference line
A quadrangular or rectangular area on a medium surface of a printed material and the like is defined as a block. A straight line in a vertical direction and a horizontal direction nuclear along an edge of the block is defined as a reference grid line. A virtual grid point is placed at a predetermined interval on the reference grid line. A reference grid point dot is placed each on a virtual grid point on the horizontal reference grid lines. A straight line connecting the reference grid point dots and virtual grid points on a vertical line is defined as a grid line. An intersection point of grid lines is defined as a virtual grid point. A dot pattern is generated by arranging one or more information dots having a distance and a direction on the base of the virtual grid point. An optical reading means is used to scan the dot pattern into image information. Then, the dot pattern is converted into a numerical value, and the information corresponding to the numerical information is read from a storage means and output.
Owner:YOSHIDA
Lenticular image articles and method and apparatus of reducing banding artifacts in lenticular image articles
A method of creating a lenticular imaging article. The method comprises printing an interlaced composite image according to a reference grid of a printer, providing a lenticular lens sheet having a plurality of parallel lenticular lines between a plurality of lenslets, selecting an acute angle for an intersection between the first and second axes according to a function of a resolution of the interlaced composite image and a pitch of the lenticular lens sheet, and positioning the lenticular lens sheet so that the intersection forms the acute angle.
Owner:HUMANEYES TECH
Position pegs for a three-dimensional reference grid
One embodiment of the present invention sets forth a technique for providing position pegs between objects and a three-dimensional reference grid that is displayed in design software application programs. The reference grid appears infinite in space and scale. A position peg that includes a stalk and base is drawn between each object and the reference grid. The stalk indicates the height of the object above or below the reference grid, and the base is positioned on the reference grid. An inside radius of the base indicates the distance between the object and the reference grid. The position pegs are independent of the viewing projection and allow an end user to sense how objects in workspace relate to each other in terms of position and scale. The reference grid and position pegs provide an end user with reference imagery for camera-operation visualization and scene content understanding.
Owner:AUTODESK INC
Method and device for determining low quality areas of mobile network
ActiveCN106211201ATruly reflect the actual situationEasy to optimizeWireless communicationMobile WebComputer science
The invention discloses a method and device for determining low quality areas of a mobile network. The method comprises the steps of carrying out gridding on coverage areas of the mobile network; computing a quality index of each grid, thereby determining low quality grids; with respect to a low quality grid not contained in a low quality area list A, and in a grid area taking the low quality grid as a center, if the total number of the low quality grids is greater than a preset threshold, adding all the grids in the grid area to the low quality area list Ai; taking every low quality grid in the grid area as a reference grid, adding the grids of a reference area taking the reference grid as the center to the low quality area list Ai, continuously processing by taking the unprocessed low quality grids in the reference area as the reference grids, thereby expanding the low quality area list Ai; adding the contents of the low quality area list Ai to the low quality area list A; and displaying the low quality areas contained in the low quality area list A in a geographic information system. According to the method and the device, the practical condition of the network can be reflected truly, and the method and the device are not limited to the areas with fixed rules.
Owner:CHINA TELECOM CORP LTD
Medium-resolution remote sensing image discrete point DEM (Digital Elevation Model) construction method based on medium value filtering
InactiveCN102436679AHigh precisionImprove elevation accuracy3D modellingImage resolutionSatellite image
The invention belongs to the field of a medium-resolution remote sensing image discrete point DEM (Digital Elevation Model) construction method, which discloses a medium-resolution remote sensing image discrete point DEM construction method based on medium value filtering. The medium-resolution remote sensing image discrete point DEM construction method comprises the following steps of: 1. calculating tidal height information at a satellite imaging moment; 2. dispersing a vector waterline extracted at the satellite imaging moment; 3. combining equidistant tidal level points dispersed in the above steps, building the reference grid of the median filtering according to a remote sensing image resolution ratio, labeling all dispersed equidistant tidal level points, and marking the ID (Identity) of the grid to which the equidistant tidal level points belong; 4. traversing all grids; and 5. on the basis of a median filtering result, building a final DEM result by linear interpolation. In the method disclosed by the invention, the method of median filtering effectively utilizes the elevation information of all discrete points falling in the grids to improve the elevation precision of the discrete point.
Owner:NANJING UNIV
Geographic position query method and device
ActiveCN110008293AGuaranteed accuracyShort response timeGeographical information databasesSpecial data processing applicationsData setGeolocation
The invention provides a geographic position query method and device, and the method comprises the steps: obtaining a query condition of a target location, and obtaining a geographic position code ofan initial geographic area according to the query condition; determining geographic area grid precision corresponding to the geographic position code in the process of querying the target location according to the geographic position code; determining a geographic position query code corresponding to overlapped grid precision of reference grid precision of the reference geographic area grid corresponding to the geographic position code and the geographic area grid precision; and querying a target geographic position code of a target location meeting the query condition in a characteristic geographic area information data set based on the geographic position query code. According to the geographic position query method provided by the invention, the geographic area information of the targetlocation is obtained through query on the premise of effectively controlling the scale of the target location and ensuring the accuracy of geographic position query, so that the query efficiency andaccuracy are improved.
Owner:ADVANCED NEW TECH CO LTD
Mixed Gaussian noise sparse Bayesian frequency spectrum sensing method
ActiveCN107947881ADetermine whether it is occupiedPrecisely reconstructed informationTransmission monitoringFrequency spectrumResource information
The invention discloses a mixed Gaussian noise sparse Bayesian frequency spectrum sensing method which comprises the following steps: 1) constructing a compression frequency spectrum sensing system model affected by the mixed Gaussian noise; 2) exploring sparsity of a master use power spectrum signals according to the compression frequency spectrum sensing system model; 3) utilizing the sparsity of the master user power spectrum signals to reconstruct the master user power spectrum signals and further judging whether channels are occupied or not. The mixed Gaussian noise sparse Bayesian frequency spectrum sensing method disclosed by the invention is based on a virtual reference grid point scheme and utilizes a layered prior variational Bayesian algorithm to reconstruct power spectrum information of the master user power spectrum signals; thus, convenience is brought to secondary users to use limited frequency spectrum resources. According to the mixed Gaussian noise sparse Bayesian frequency spectrum sensing method disclosed by the invention, effects of the mixed Gaussian noise to recognizing a wireless system are taken into consideration; furthermore, the reconstructed master userpower spectrum signals are prevented from being judged again, and effective spectrum resource information can be obtained.
Owner:XI AN JIAOTONG UNIV
A chance-constrained planning method for large-scale wind power grid connection
ActiveCN109102115AAccurate investmentRealize lean managementForecastingResourcesEngineeringPlanning method
The invention discloses a reference grid opportunity constraint planning method adapted to large-scale grid connection of wind power, comprising the following steps: giving current grid data, load forecasting value in planning time period, planning scheme of wind farm in planning time period, output level distribution and grid transmission component scheme candidate for grid planning; the optimization model being constructed to minimize the sum of the investment cost and the operation cost of the transmission network in the planning period, and including the constraint conditions to ensure theacceptance level of wind power. The constraint conditions are transformed into mixed integer linear programming (MILP) model, and the conventional mixed integer linear programming (MILP) method is used to solve the optimization model, and the final reference power network optimization scheme is obtained. The invention can be used for evaluating the adaptability of the present power grid in a prospective time scale under the background of large-scale wind power grid connection, defining the development direction of the present power grid, and is an important means for realizing the precise investment of the power grid.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
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