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40results about How to "Reduce traversal" patented technology
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Hybrid cloud storage system and method based on multi-level cache
ActiveCN103338242AReduce network latencyImprove access bandwidthTransmissionSpecial data processing applicationsUser authenticationIp address
The invention discloses a hybrid cloud storage method based on multi-level cache. The method comprises the following steps: a user joins a user group for login according to the local area network where the user is, and sends a user name and a password for user authentication to a super node of the region where the user group is, the super node achieves authentication of the user according to the received user name and password, the user receives a catalog view returned from the super node and metadata information of all files and sends the catalog view to a group leader node of the user group, the group leader node judges whether the buffer memory space of the group contains files in the catalog view according to the received catalog view, and if yes, feeds the IP address of the node in which the files are saved in the buffer memory space of the group to the user, and the user determines the optimal access path of each file in the catalog view according to the received feedback information. The hybrid cloud storage method allows the user to access data from the user group cache and the super node layer cache which have lower network delay, thereby lowering the network delay of the user data access.
Owner:HUAZHONG UNIV OF SCI & TECH
Chain log storage structure, hash index structure and data operation method thereof, server and medium
ActiveCN107515901AReduce traversalQuery speedSpecial data processing applicationsStorage cellArray data structure
The invention discloses a chain log storage structure, a hash index structure and a data operation method thereof, a server and a medium. The chain log storage structure comprises a plurality of storage segments and an array; a storage unit of each storage segment is a log entry; the log entry includes an initial size field, an index position field, a key length field, a Key field and a Value field, wherein the Value field is used for storing data; the Value field is used for storing data keys; the initial size field is used for storing an initial size of the storage log entry; the index position field is used for storing the position of an index of the log entry in a hash table; and the array is used for storing meta information of each storage segment. The hash index structure comprises a plurality of hash buckets; and a data structure of each hash bucket includes an index number field, a valid mark field, a label field, an offset field and an extension bucket field. According to the chain log storage structure, the hash index structure and the data operation method thereof, the server and the medium, the close continuity of the whole structure memory can be maintained and the fragmentation rate is reduced.
Owner:INST OF INFORMATION ENG CAS
Automatic ortho-rectification method based on remote-sensing image of environmental No.1 satellite
ActiveCN105046251ANo human intervention requiredAchieve engineeringCharacter and pattern recognitionCorrelation coefficientProjection image
An automatic ortho-rectification method based on a remote-sensing image of an environmental No.1 satellite comprises the following steps of: (1) eliminating projection distortion caused by ground fluctuation in a reference image according to a geometric projection transformation principle to generate a simulated projection image; (2) finding possible feature points in the reference image and an original image by utilizing a Harris corner extraction algorithm; (3) finding possible homonymy points on the basis of the step (2) with a correlation coefficient method; (4) solving a relation coefficient between the reference image and the original image by using a polynomial model based on least squares; and (5) correcting the original image by utilizing the relation coefficient between the reference image and the original image, and eliminating the distortion caused by the ground fluctuation according to the geometric projection transformation principle again, so as to finally finish ortho-rectification. The method has the characteristics of high automation degree, no need of manually selecting control points, high correction precision and high production efficiency.
Owner:CHINA CENT FOR RESOURCES SATELLITE DATA & APPL
HEVC fast coding method
ActiveCN104853191AReduce computational complexityReduced depth traversalDigital video signal modificationComputation complexityComputer architecture
The present invention discloses an HEVC fast coding method. During the coding process, the temporal similarity between optimal coding units of the same coordinate position in forward and backward reference frames, the spatial similarity between adjacent optimal coding units in the left and right direction, and the spatial similarity between adjacent optimal coding units in the up and down direction, are fully utilized to figure out the depth predicted values of P-frame or B-frame optimal coding units. After that, based on the one-to-one correspondence relationship between the depth predicted values of the optimal coding units and depth ergodic intervals, the depth ergodic intervals of the optimal coding units are determined. The optimal coding units and all coding units in the optimal coding units are coded within the depth ergodic intervals. During the coding process, qualified P-frame or B-frame optimal coding units and qualified coding units are selected quickly in the prediction mode, so that the unnecessary depth traversal and the unnecessary prediction-mode traversal are avoided. Therefore, on the premise that the video quality is ensured, the calculation complexity of the video coding is lowered.
Owner:深圳威尔视觉科技有限公司
Method of generating and traversing acceleration structure
ActiveUS20170061673A1Improve efficiencyReduce traversal3D-image renderingInclusion relationThree-dimensional space
A method of generating an acceleration structure for ray tracing, the method including, using a processor, dividing a three-dimensional (3D) space including primitives into bounding boxes, obtaining position information of where the bounding boxes overlapping each other, and generating an acceleration structure representing the position information and an inclusion relation between the bounding boxes. Also disclosed is a related method of traversing an acceleration structure.
Owner:SAMSUNG ELECTRONICS CO LTD
A method for testing the big data processing capacity of a super computer based on heuristic traversal
ActiveCN109684185AImprove the test speed of big data processing abilityImprove processing power test speedHardware monitoringSupercomputerGraph traversal
The invention discloses a method for testing the big data processing capacity of a super computer based on heuristic traversal. The method is used for improving the testing speed of the big data processing capacity of the super computer. The technical scheme includes: generating graph; constructing an adjacent matrix of the graph, determining degrees of vertexes through preprocessing, performing heuristic traversal search based on the degrees of the vertexes, exiting the traversal of sub-nodes of the current node in advance if all edges meeting the degrees of the vertexes are searched for alltimes in the same layer of traversal, not continuing to traverse other sub-nodes, and directly performing the traversal of the next layer. By adopting the method, blind traversal can be avoided, unnecessary search is reduced, unnecessary memory access is avoided, graph traversal is accelerated, and the test speed of the big data processing capacity of the super computer is increased.
Owner:NAT UNIV OF DEFENSE TECH
A voxel terrain management method
The invention discloses a voxel terrain management method. The method comprises the following steps: partitioning a game world according to the size of a terrain block; for each terrain block, partitioning the terrain block according to the size of the block; for each topographic block, down-sampling the voxels; managing the terrain blocks by using an octree, and generating the octree used for extracting the terrain surface; performing grid extraction on all nodes on the octree used for extracting the topographic surface; constructing an octree used for rendering; generating rendering nodes corresponding to the flat nodes; determining rendering nodes. According to the voxel terrain management method, internal voxel leakage is effectively avoided, cracks between different multi-detail levels are effectively eliminated, the problem that a map on a high-level multi-detail-level grid is stretched can be effectively solved, and the grid corresponding to the multi-detail levels of the terrain is generated with low cost.
Owner:SNAIL GAMES
Security inspection image-based dangerous article image injection method
PendingCN110210368AReduce traversalSave image processing timeCharacter and pattern recognitionX ray imageImage based
The invention provides a security inspection image-based dangerous article image injection method, and relates to the technical field of security check image processing. The method includes: carryingout image preprocessing on a pre-injected dangerous article image; obtaining a to-be-processed package X-ray image matrix through security inspection equipment; determining whether a package is present, and obtaining the position of the package contour in the matrix; judging whether a dangerous article image can be injected or not according to the sizes of vacancies in the package image, fusing the dangerous article image and the package image if the dangerous article image and the package image can be injected, normalizing the dangerous article image and the package image, generating a picture, and outputting the picture; and normalizing an original package image matrix if the dangerous article image and the package image cannot be injected, and outputting the picture. The method providedby the invention is a method for automatically detecting the injectable position and fusing the image of the dangerous article image in security inspection, and can perform dangerous article image injection on the real-time security check image in a short time, thereby improving the injection accuracy and efficiency, and having better usability and robustness.
Owner:NORTHEASTERN UNIV
Efficient OD data visualization method and system
ActiveCN112948651ASatisfy normal useIncrease draw rateOther databases queryingOther databases browsing/visualisationDatasheetType conversion
The invention relates to the technical field of urban planning, and particularly discloses an efficient OD data visualization method and system, and the method comprises the steps: a dictionary generation module carries out the correlation searching of the OD terminal point information of a corresponding terminal point column or the OD starting point information of a starting point column according to the same OD starting point information in a starting point column of an original data table or the same OD terminal point information in a terminal point column, copying, extracting, permutation and combination are carried out to obtain sub-data tables, and an attribute dictionary is generated according to all the obtained sub-data tables; the data preprocessing module is used for performing data type analysis on the starting point element information and the end point element information respectively, and performing data type conversion on the starting point element information and the end point element information of which the data type is surface data to obtain the starting point element information and the end point element information of which the data type is point data; and the data searching module is used for searching corresponding OD line starting point information and OD line terminal point information from the attribute dictionary. By adopting the technical scheme of the invention, the OD line drawing efficiency can be improved.
Owner:重庆市规划设计研究院
Multi-label corpus text classification method based on semi-supervised learning
InactiveCN110750638AImprove acceleration performanceImprove practicalityCharacter and pattern recognitionText database indexingContent IdentifierData set
The invention discloses a multi-label corpus text classification method based on semi-supervised learning, and the method comprises the following steps: carrying out the semi-supervised learning basedon a multi-label corpus text, and obtaining a classification strategy knowledge base; preprocessing the corpus text to be classified; classifying the corpus classification texts, and determining a first text content identifier set; determining a first text content set in the preset training data set, and in the first text content set, selecting text contents corresponding to N candidate categories according to the certain number of candidate categories to determine a second text content set; and determining a target category of the to-be-classified text according to the similarity between thetext feature words and each piece of text content in the second text set. The method has the advantages that the calculation complexity and the calculation amount are reduced, and the efficiency of the text class is improved.
Owner:厦门美域中央信息科技有限公司
Time series data storage method, device and equipment based on Hbase
ActiveCN112732714AReduce traversalAvoid redundant storageEnergy efficient computingSpecial data processing applicationsAlgorithmData source
The invention discloses an Hbase-based time series data storage method, device and equipment. The method comprises the steps of obtaining a piece of time series data generated by a data source; sorting the plurality of data labels and the at least one monitoring index to obtain a label sorting result and an index sorting result, and associating the label sorting result and the index sorting result with the data names to obtain a sorting relationship; dividing timestamps according to a preset time interval, and recording the timestamps corresponding to the data generation time; forming a row key by the data name, the identification tag and the timestamp corresponding to the data generation time, forming a column of a tag column cluster by the data tags except the identification tag in the plurality of data tags according to a tag sorting result, and forming a column of an attribute column cluster by the at least one monitoring index according to an index sorting result, obtaining a multi-valued model storage structure; and storing the multi-valued model storage structure and the sorting relationship into an HBase database. By applying the method, the data label and the row key can be decoupled, and redundant storage is avoided.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Method for efficiently selecting user communication base stations in relay cellular network
ActiveCN105101332AReduce complexityReduce traversalPower managementNetwork traffic/resource managementComputer scienceDecode and forward
The invention discloses a method for efficiently selecting user communication base stations in a relay cellular network. In a cellular network comprising a central base station and half-duplex and a decode-and-forward relay, the method comprises the following steps of: aiming at all the users, selecting one user which can realize minimization of the power consumption of the system after the serving central base station of the user is adjusted to the relay; under the condition where the central base station and the relay both are not overloaded, adjusting the user to corresponding relay, and keeping the user unchanged, performing the same operation to the rest of users, comparing the power consumption of connection before adjustment with the power consumption of connection after adjustment, and adopting the connection mode of which the power consumption is minimum. The method provided by the invention is suitable for minimizing the power consumption of the whole system under the condition where load of each base station is not high and rate requirement of each user is guaranteed, can efficiently select the communication base stations of the users, and also can reduce total power consumption of the system.
Owner:SOUTHEAST UNIV
Reliable storage method of non-document system
InactiveCN102890677AImprove efficiencyExtend working lifeSpecial data processing applicationsFile systemProtocol Application
A reliable storage method of a non-document system comprises a writing process of data, a reading process of the data and a deleting process of the data, wherein in the writing process of the data, a local database is opened by an operator, and an offset address of a current write disk is acquired; then a hard-disk device is opened, and a file pointer is deviated to a write position; when the data is written, a write mark is established in the local database, and the data begins to write; in the reading process of the data, the record of the file in the local database is searched according to a search condition transmitted by an application file, an offset address of the file in the hard-disk record is acquired from the record, data is read from the offset address, and the data is returned to the application layer in a callback form; and in the deleting process of the data, the file in the local database is marked as deleted by the operator.
Owner:郑州威科姆科技股份有限公司
Method of generating and traversing acceleration structure
ActiveUS10019832B2Improve efficiencyReduce traversal3D-image renderingThree-dimensional spaceEngineering
A method of generating an acceleration structure for ray tracing, the method including, using a processor, dividing a three-dimensional (3D) space including primitives into bounding boxes, obtaining position information of where the bounding boxes overlapping each other, and generating an acceleration structure representing the position information and an inclusion relation between the bounding boxes. Also disclosed is a related method of traversing an acceleration structure.
Owner:SAMSUNG ELECTRONICS CO LTD
Object storage life cycle management method, management device, equipment and medium
InactiveCN114489511AReduce traversalFind exactlyInput/output to record carriersTime rangeObject storage
The invention discloses an object storage life cycle management method and device, computer equipment and a medium. The method comprises the following steps: creating a bucket and creating a time-based bucket index fragmentation strategy; an object is uploaded, the maximum bucket index fragment number is searched for, object information is recorded, the last object uploading time recorded on the bucket index fragment head is updated, and the bucket index fragment number of the object information is recorded in object metadata; and executing the life cycle thread, and calculating the objects needing to be deleted according to the life cycle rule so as to delete the objects meeting the time requirement. According to the method, a bucket index mode is modified, namely, a dynamic bucket index scheme of objects at similar time is stored on a bucket index. And meanwhile, a time range for uploading the object on the index is added into the index fragment head. When the life cycle thread is executed, the object needing to be deleted can be accurately found, and unnecessary object traversal is reduced.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Three-dimensional modeling method, device, system and storage medium based on implicit function
The embodiment of the present application discloses a three-dimensional modeling method, device, system, and storage medium based on implicit functions. The method includes: acquiring the sampling point information corresponding to the object to be modeled collected by the acquisition device; Construct spatial interpolation points to obtain an implicit function representing the geometric domain of the 3D model of the object to be modeled; segment the 3D model according to the three-dimensional direction according to the voxel unit size of the grid division, and obtain spatial regular data field; determine the set of seed points, and obtain a set of seed voxels based on the seed voxels corresponding to various sub-points in the set of seed points; extract a seed body as a starting search voxel from the set of seed voxels voxel, add the initial search voxel to the growth voxel queue according to the set rules, and traverse the growth voxel queue to perform isosurface extraction to determine the boundary of the three-dimensional model; according to the result of the isosurface extraction A three-dimensional model of the object to be modeled is constructed.
Owner:CENT SOUTH UNIV
Frequency selection method and device of physical resource block
ActiveCN102404851BReduce traversalReduce processing complexityWireless communicationResource blockResource allocation
The invention discloses a frequency selection method and a device of a physical resource block (PRB) so as to reduce selection complexity and improve scheduling efficiency. The frequency selection method is to divide the system bandwidth into more than one PRB group according to the minimum particle degree reported according to channel quality indication (CQI). The frequency selection method includes in a one-time PRB group traversal process, performing resource selection according to allocation mode information based on PRB group management and corresponding to various resource allocation types so as to respectively obtain current available PRB group information in corresponding resource allocation types, and selecting the resource allocation types of a user terminal and PRB information used for reporting to the CQI in the resource allocation types from current available PRB groups in obtained various resource allocation types.
Owner:DATANG MOBILE COMM EQUIP CO LTD
A Fast Inter-Frame Coding Method for Screen Content Coding Based on Rate-Distortion Cost
ActiveCN109302610BReduce complexityReduce traversalDigital video signal modificationAlgorithmRate distortion
The present invention relates to the technical field of video coding and decoding, and in particular to a rate-distortion cost-based SCC inter-frame fast coding method, including: firstly, predicting the current Whether the coding unit needs to be divided, so as to make an early decision on the division of the coding unit to reduce unnecessary traversal; secondly, according to the average rate-distortion cost of the optimal prediction unit mode as the merge mode, the early termination of the selection process of the prediction unit mode; The present invention effectively reduces the coding complexity under the condition that the objective quality is almost unchanged.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
A management method of voxel terrain
Owner:SNAIL GAMES
Spatial scalable fast coding method
ActiveCN108235026AReduce computational complexityReduce coding timeDigital video signal modificationSmall probabilityVideo sequence
The invention relates to the technical field of scalable video coding, in particular to a spatial scalable fast coding method. The method comprises the following steps of dividing a video sequence into three categories according to a distribution condition in a basic layer; when the coding of an enhancement layer is carried out, computing correlation degree of a current coding unit of the enhancement layer and an adjacent coding unit of the enhancement layer; setting a weight representing the correlation degree for the adjacent coding unit; computing a probability corresponding to each depth of the current coding unit according to the depth and the weight of the adjacent coding unit, and arranging from large to small according to the probability; and predicting the depth of the current coding unit of the enhancement layer according to the category of the video sequence, and removing the depth with a small probability. According to the method, the unnecessary traversing process of the enhancement layer is reduced, and the coding complexity can be reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
An Automatic Orthorectification Method Based on Remote Sensing Image of Environment-1 Satellite
ActiveCN105046251BNo human intervention requiredAchieve engineeringCharacter and pattern recognitionCorrelation coefficientAngular point
An automatic orthorectification method based on the remote sensing image of the HJ-1 satellite, the steps are as follows: (1) Eliminate the projection deformation caused by the ground fluctuation in the reference image according to the principle of geometric projection transformation, and generate a simulated projection image; (2) Use Harris The corner extraction algorithm searches for possible feature points in the reference image and the original image; (3) uses the correlation coefficient method to find possible points with the same name on the basis of step (2); (4) uses a polynomial model based on least squares Solve the relationship coefficient between the reference image and the original image; (5) use the relationship coefficient between the reference image and the original image to correct the original image and eliminate the distortion caused by terrain fluctuations again according to the principle of geometric projection transformation, and finally complete the orthorectification. The method of the invention has the characteristics of high degree of automation, no need for manual selection of control points, high correction accuracy and high production efficiency.
Owner:CHINA CENT FOR RESOURCES SATELLITE DATA & APPL
A process factory model cutting, drawing method and device
ActiveCN107067463BDrawn preciselyAvoid judging how pixels are counted3D modellingVoxelViewing frustum
Owner:北京中科辅龙智能技术有限公司
Global flow level network simulation method, system and device
PendingCN114492052AVersatile for simulationLimited reliabilityCAD network environmentDesign optimisation/simulationTime informationCompletion time
The invention discloses a global flow level network simulation method, system and device, and the method comprises the steps: constructing a global simulation network topology architecture to form a simulation environment, generating a simulation task through a task generator, dividing the simulation task into a plurality of stages, and storing each stage of the simulation task into a global variable for global call; the method comprises the following steps: continuously updating time information transmitted by flow objects in a global simulation network topology architecture through a global refreshing strategy, determining a flow event of which the time is shortest for each global flow object, and after the current flow object completes the flow event, calculating flow event completion time expected values of other flow objects through refreshing; global stage information is obtained through a global control strategy, whether all flow objects in a certain stage complete flow events or not is detected, so that the end of the stage of the simulation task is predicted, and a test result of the simulation task is obtained. According to the network simulation scheme provided by the invention, the resource consumption is reduced, the calculation time is shortened, and meanwhile, the simulation correctness is ensured.
Owner:SHANGHAI JIAO TONG UNIV
A hybrid cloud storage system and method based on multi-level cache
ActiveCN103338242BLower latencyHigh bandwidthTransmissionSpecial data processing applicationsIp addressPassword
The invention discloses a hybrid cloud storage method based on multi-level cache. The method comprises the following steps: a user joins a user group for login according to the local area network where the user is, and sends a user name and a password for user authentication to a super node of the region where the user group is, the super node achieves authentication of the user according to the received user name and password, the user receives a catalog view returned from the super node and metadata information of all files and sends the catalog view to a group leader node of the user group, the group leader node judges whether the buffer memory space of the group contains files in the catalog view according to the received catalog view, and if yes, feeds the IP address of the node in which the files are saved in the buffer memory space of the group to the user, and the user determines the optimal access path of each file in the catalog view according to the received feedback information. The hybrid cloud storage method allows the user to access data from the user group cache and the super node layer cache which have lower network delay, thereby lowering the network delay of the user data access.
Owner:HUAZHONG UNIV OF SCI & TECH
A chained log storage structure and its hash index structure, data operation method, server, and medium
ActiveCN107515901BReduce traversalQuery speedSpecial data processing applicationsDatabase indexingShardAlgorithm
The invention discloses a chain log storage structure, a hash index structure and a data operation method thereof, a server and a medium. The chain log storage structure comprises a plurality of storage segments and an array; a storage unit of each storage segment is a log entry; the log entry includes an initial size field, an index position field, a key length field, a Key field and a Value field, wherein the Value field is used for storing data; the Value field is used for storing data keys; the initial size field is used for storing an initial size of the storage log entry; the index position field is used for storing the position of an index of the log entry in a hash table; and the array is used for storing meta information of each storage segment. The hash index structure comprises a plurality of hash buckets; and a data structure of each hash bucket includes an index number field, a valid mark field, a label field, an offset field and an extension bucket field. According to the chain log storage structure, the hash index structure and the data operation method thereof, the server and the medium, the close continuity of the whole structure memory can be maintained and the fragmentation rate is reduced.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI
Multi-path cross-class query and optimization method in object agent database
ActiveCN111797114AReduce redundant representationReduce redundant traversalDigital data information retrievalSpecial data processing applicationsPathPingAlgorithm
The invention provides a multi-path cross-class query and optimization method in an object proxy database, which comprises the following steps of: respectively obtaining queries of target attributes by using different path expressions on the same path, and defining the queries as multi-path cross-class queries with the same end point class; for the condition that a plurality of paths in the cross-class queries contain public class nodes, defining the paths as multi-path cross-class queries with different end point classes; then proposing multi-path cross-class query grammar support implementation for supporting multi-path cross-class queries with the same terminal class and different terminal classes; and finally, proposing an execution scheme of the multi-path cross-class querjes, and proposing a multi-path pointer tracking algorithm for the multi-path cross-class queries on the basis according to a pointer tracking algorithm thought used by the original cross-class query, wherein themulti-path pointer tracking algorithm is used for calculating a multi-path expression. By adopting the method and the device, a user can obtain different target attribute expressions by using one path expression, redundant expressions of the common path expression are reduced, and the query efficiency is improved.
Owner:WUHAN UNIV
An efficient od data visualization method and system
ActiveCN112948651BEasy to useIncrease draw rateOther databases queryingOther databases browsing/visualisationDatasheetType conversion
The invention relates to the technical field of urban planning, and specifically discloses an efficient OD data visualization method and system. Find the OD end point information of the corresponding end point column or the OD start point information of the start point column, and copy, extract, arrange and combine to obtain a sub-data table, and generate an attribute dictionary according to all the obtained sub-data tables; the data preprocessing module is used for the start point element information and end point information The element information is analyzed by data type, and the data type conversion is performed on the starting point element information and the ending point element information whose data type analysis result is polygon data, and the starting point element information and the ending point element information whose data type is point data are obtained; the data search module is used for Look up the corresponding OD line start point information and OD line end point information from the attribute dictionary. By adopting the technical scheme of the present invention, the drawing efficiency of the OD line can be improved.
Owner:重庆市规划设计研究院
Network distributed server and resource allocation method thereof
PendingCN114553877AImprove communication efficiencyReduce complexityTransmissionResource assignmentDistribution method
The invention provides a network distributed server, which comprises a main control device, a server and a server, the plurality of slave devices are respectively connected with the master control device; the communication module is arranged on the master control equipment and the slave equipment so as to realize service communication connection between the master control equipment and the slave equipment; wherein the master control equipment can be actively connected with the slave equipment and can actively acquire the service of the slave equipment, the invention further provides a network distributed server resource allocation method, the master control equipment can be actively connected with the slave equipment, the master equipment serves as a client, and the slave equipment serves as a server. The complexity of the slave device is reduced, the communication efficiency of the master device and the slave device is improved, and frequent traversal and query are reduced.
Owner:天津天地伟业智能安全防范科技有限公司
Tool class calling method and system, computer device and storage medium
PendingCN110007900AEasy to callReduce traversalSoftware designCreation/generation of source codeSoftware engineeringSoftware
The invention relates to the technical field of development auxiliary tools, and provides a tool class calling method and system, a computer device and a storage medium, and the method comprises the steps: identifying a tool class contained in a software program file from a software project file, and obtaining definition information of the tool class; obtaining function identification informationof the tool class according to the definition information; storing the definition information and the function identification information in a development tool template; and when the software projectfile is processed, calling the tool class from the development tool template. According to the tool class calling method, the definition codes of the dispersed tool classes in the software project file can be integrated into the specified development tool template, the tool classes can be called in the development tool template conveniently, the number of the tool classes called after multiple files are traversed and found in the software project file is reduced, and the calling efficiency of the tool classes is improved.
Owner:PING AN TECH (SHENZHEN) CO LTD
A fast coding method for hevc
ActiveCN104853191BReduce computational complexityReduced depth traversalDigital video signal modificationTime domainComputation complexity
The invention discloses a HEVC fast encoding method, which makes full use of the time-domain similarity of the largest coding unit in the encoding process and the largest coding unit with the same coordinate position in the forward reference frame of the frame where it is located, and the adjacent left side of the largest coding unit The spatial similarity of the largest coding unit and the spatial similarity of the adjacent largest coding unit above it are used to calculate the depth prediction value of the largest coding unit in the P frame or B frame, and then use the depth prediction value and depth of the largest coding unit to traverse the interval The one-to-one correspondence relationship determines the depth traversal interval of the largest coding unit, encodes the largest coding unit and each coding unit in the depth traversal interval, and encodes the largest coding unit that meets the conditions in the P frame or B frame during the encoding process And each coding unit that meets the conditions performs fast prediction mode selection, which reduces unnecessary depth and prediction mode traversal, thereby reducing the computational complexity of video coding on the premise of ensuring video quality.
Owner:深圳威尔视觉科技有限公司
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