163results about How to "Save computing resources" patented technology

The invention discloses a simulation method for high dynamic multi-mode satellite navigation signal source and a device thereof, wherein, the high dynamic multi-modal satellite navigation signal source can simulate satellite signals of the following three systems: Global Position Satellite system, global navigation satellite system and second-generation Beidou satellite navigation system in space, and the satellite signals are received by a dynamic navigation receiver; the signal resource can simulate the moving state of a user receiver, imitate the error of satellite signals caused in the course of transmission and produce three-mode satellite signals in real time. In the embodiment, the device consists of a user interface module, a control module, a satellite parameter calculation module, a satellite signal producing module, an output device and a data receiving and analysis module. The device simulates simultaneously three-mode satellite signals to accelerate the research of multi-mode navigation receiver. By using an inner fumitoshi interpolation method, the device saves calculation resources and improves interpolation accuracy. By using a parametric design, the device can improve the reusable ability of modules and aim at different satellite navigation systems to implement convenient transformation.

The invention discloses a constructing method and a navigation method of a global boundary map. The constructing method comprises the following steps: firstly, determining a virtual cleaning zone in working space while a robot is started, labeling boundary characteristic information of a navigation boundary during a sweeping process of the virtual cleaning zone, and constructing a local boundary map; secondly, converting data of the local boundary map to a global coordinate system; moving to unswept zone after completing the sweeping of the virtual cleaning zone, determining a next virtual cleaning zone, continuously labeling the boundary characteristic information, repeatedly recycling, exiting the recycling after completing the sweeping of the whole working space, and completing construction of the global boundary map; finally, navigating by selecting the navigation boundary as a navigation path. According to the method for constructing the local boundary map and the global boundarymap, disclosed by the invention, rapid navigation of the robot is realized under a condition that the boundary characteristic information is reserved; meanwhile, system memory is saved, and the flexibility and high efficiency of navigation of the robot can be improved.

The invention discloses a static routing generation method, a method and a device for implementing terminal routing. The method for implementing the terminal routing comprises the following steps that: a network element device on a network side or a DHCP server transmits a routing policy to the terminal, and the terminal generates and stores a corresponding static routing according to the routingpolicy transmitted by the network element device or the DHCP server; and the terminal matches the stored static routing according to the attribute information about data packets to be transmitted to determine the matched routing and utilizes the determined matched routing to transmit the data packets. The scheme of the invention does not need a user to manually configure the static routing by acquiring various routing configuration parameters, can ensure that a plurality of networks are connected and the data packets pass through so as to implement the multi-connection of the terminal.

The invention discloses a positioning device and method based on depth vision and a robot. The positioning device is a movable vision positioning device which comprises a rear image collection module,a depth recognition module, an image processing module, an inertia processing module and an integrating positioning module. The rear image collection module is used for collecting landmark images forachieving positioning, the depth recognition module is used for recognizing the ground and objects on the ground, the image processing module comprises an image preprocessing submodule and a featurematching submodule and is used for processing image information input by the rear image collection module and the depth recognition module, the inertia processing module is used for sensing displacement information of an inertia sensor in real time, and the integrating positioning module is used for integrating environment information obtained by sensor modules for achieving positioning. Comparedwith the prior art, a three-dimensional depth sensor installed on the front portion provides new address information for a camera with the face inclined backwards in real time to complete positioningin a matching mode, accordingly, computing resources in the positioning navigation process are reduced, and the synchronous positioning efficiency is improved.

The invention discloses an inverse kinematics calculation method for minimum base disturbance analysis of a seven-degree-of-freedom space manipulator. The inverse kinematics calculation method comprises the following steps: S1: carrying out geometric modeling on the seven-degree-of-freedom space manipulator, and adopting arm angles Psi to parameterize other joints except elbow joints; S2: analyzing the influence of joint extremity on the range of the arm angles Psi, analyzing the motion range of all other joints expect the elbow joints on the arm angles Psi, and determining the feasible region of one, two or three arm angles and restricting the search space of an algorithm; S3: analyzing three singularities of the manipulator such as kinematics singularity, algorithm singularity and half singularity, and eliminating the arm angles Psi not according with conditions; S4: establishing the generalized jacobian matrix of kinematical equation of the space manipulator; S5: carrying out optimizing calculation to obtain a manipulator position which can enable carrier satellite attitude change of the space manipulator to be minimum. According to the method, the base disturbance is reduced on the premise that small calculated amount is ensured, and the magnitude and calculated amount of the disturbance are balanced through the optimization algorithm.

A method for identifying unstable driving states is disclosed. The method comprises the following steps: (a) detecting whether the magnitude of a difference between a first value of a driving state variable that is detected by means of a first sensor, and a second value of the driving states variable that is calculated from measured values of at least one further sensor, increases over time, (b) filtering the difference by means of a delay element after it has been established that the difference has increased, (c) comparing the filters difference and the unfiltered difference, and (d) establishing the presence of an unstable driving states when the comparison shows that a deviation between the filtered difference and the unfiltered difference exceeds a predefined threshold value. The method enables an unstable driving state to be identified even when a driving states variable has an offset error which is of the desired size.

A security management system for managing access security in an IT-environment comprises a relational database of the ROLAP type and a data warehouse of the MOLAP type. The system shares a subset of common data, wherein database access security for accessing particular database tables is managed by user-related access limitations in a table form. The present system transforms the access-limiting conditions existing at the ROLAP system automatically to a respective filter criterion for the MOLAP system. The access-limiting conditions exiting at the ROLAP system are defined in a table form. The present system automatically activates filter criterion whenever an access to the MOLAP system is requested by a user.

The invention discloses a network fault positioning method and a device. The method comprises the following steps: establishing a propagation model; processing time slice information; filtering noise; confirming an assumption set; calculating the reliability; and updating prior probability. The invention has low arithmetic complexity, fast positioning speed, strong anti-noise capability and high positioning accuracy degree.

The invention provides a boiler drum water level control method based on fuzzy neural network PID (Proportion Integration Differentiation) control. The method comprises the following steps: analyzing characteristics and modeling conditions of a boiler drum water level control system; modeling a control object of the boiler drum water level control system; finishing the development of components of a fuzzy neural network PID control system in configuration software; realizing control logic of the boiler drum water level control system through component configuration in the configuration software; testing the control effect on the boiler drum water level, from the fuzzy neural network PID control system in the configuration software. According to the method, the shortcomings of conventional PID control are overcome and the self-adaptability of the control system is improved; a fuzzy neural network PID control algorithm is integrated in the configuration software in a manner of components, so that the efficiency of communication between a control strategy and a control station is improved, and the real-time property of online operation of the advanced control strategy is greatly improved.

Provided is a method for filtering webpage advertisements. The method comprises: obtaining a webpage logo of a to-be-opened webpage; requesting primary resources of the to-be-opened webpage from a webpage server corresponding to the webpage logo, receiving the primary resources of the to-be-opened webpage, the primary resources being returned from the webpage server; requesting an advertisement filtering rule corresponding to the webpage logo from a background server of a browser, receiving the advertisement filtering rule corresponding to the webpage logo, the advertisement filtering rule being returned from the background server; analyzing the primary resources to obtain URLs of to-be-loaded sub-resources; determining whether the URLs of to-be-loaded sub-resources are matched with the advertisement filtering rule, if yes, not requesting the sub-resources from the webpage server, if no, requesting the sub-resources from the webpage server. The above method can reduce computing resources consumed in filtering advertisements in webpage for a terminal where the browser is in. In addition, a device for filtering webpage advertisements, a method and a device for hiding webpage advertisements, a method and a device for issuing filtering rules of webpage advertisements, and a method and a device for issuing hiding rules of webpage advertisements are also provided.

The invention discloses an image display area shape setting method and device. The method comprises steps that a texture area and a vertex coordinate of a to-be-displayed image area are acquired; a graphical program interface is called, and the vertex coordinate is inputted to a vertex shader of a graph processor GPU; a pixel shader corresponding to the vertex shader is acquired; pixel values of pixel points of a target image with the position belonging to the texture area are sampled, the pixel values are rendered through the pixel shader to the corresponding position of the texture area. The invention further discloses a shape setting device of the image display area. The method is advantaged in that the GPU can be utilized to generate the shape of the image display area, and a CPU utilization rate is reduced.

The invention relates to a map display method, an apparatus for controlling the map display and a navigation apparatus. The map display method comprises the steps of acquiring screen coordinates and map coordinates of a map base point; determining a rotation angel of the map; determining transformation parameters based on the rotation angel of the map and a proportionality coefficient of the map; determining coordinate offset parameters of the map coordinates of a map object in relative to the map coordinates of the map base point; transforming the map coordinates of the map object into corresponding screen coordinates of the map object based on the screen coordinates of the map base point, the coordinate offset parameters and the transformation parameters; and displaying the map containing the map object in a screen based on the screen coordinates of the map object. The technical solution provided by the invention can take any point on the screen as a position of a current vehicle parking spot and re-draw a navigation map faster when the position of the current vehicle parking spot is changed, thereby saving computing resource in the navigation apparatus.

The invention relates to a blockchain consensus method and system. The method comprises the steps: achieving a consensus mechanism by adopting a dual Byzantine fault-tolerant algorithm; enabling any node participating in the blockchain to have right to create a piece of request information; submitting a corresponding digital protocol; broadcasting the request information to a private chain where the request information is located, wherein a verification node in the private chain verifies the request information based on a Byzantine fault-tolerant algorithm; after consensus is reached, submitting the request information to a public chain, then randomly selecting corresponding participation nodes from different private chains based on a random algorithm to serve as second-layer verificationnodes to form a random block network, performing secondary verification on the request information, and if the secondary verification is based on a Byzantine fault-tolerant algorithm to reach the consensus, determining that the request is authenticated, wherein if any verification cannot reach the consensus, the request is rejected, and the request information and the digital protocol are cleared.By the adoption of the consensus algorithm, the defects that a PoW algorithm is large in calculated amount and low in processing speed are overcome, and the defect that a common Byzantine fault-tolerant algorithm is low in safety boundary is also overcome.

Embodiments of the invention relate to the technical field of networks, in particular to a block chain-based chaining and state processing method and device and an interconnection system. The method mainly comprises a chain process and an executor process, wherein the chain process comprises a transaction distribution process and a block chaining process; the executor process comprises a contractprocess and a state root calculation process; the chain process and the executor process are independently carried out and mutual communication is carried out therebetween; and during the transactiondistribution process of the chain process, transaction information is sent to the executor process and then processed by the state root calculation process to obtain a state root, and the state root is returned to the chain process and stored in a block to complete the block chaining process. Through above technical scheme, the efficiency of transaction processing and block chaining in block chains can be effectively improved and the calculation resources can be saved.

Authenticating issues involving the re-authenticating of a first device that was previously authenticated are resolved by use of a second device which receives a notification of the failed authentication. The second device sends a response to the notification which is operable to facilitate re-authentication of the primary device and without requiring the user to provide credentials at the first device prior to obtaining the re-authentication at the primary device and/or without requiring the primary device to obtain a code to be entered into the secondary device and/or prior to the primary device being notified of a failure condition associated with the primary device.

The invention discloses a channel recommendation method based on individual history and current behavior fusion of a group. The method comprises the steps of firstly, constructing a current viewed channel state matrix of the group for describing the characteristics of each current channel, the characteristics including the current number of viewers of each channel and the on-line viewer growth rate of each channel; then constructing an individual historical viewed channel state matrix for an individual user for describing the viewed channel characteristics of the user within the past period oftime, including the frequency that the user viewed each channel and the weight of each viewed channel; and finally, sending the current channel state matrix of the group and the individual historicalviewed channel state matrix to a recommendation fusion calculation module, calculating channels that each user may view at the current moment by using an intersection selection method or a distance selection method, and pushing N channels that are viewed most possibly to the user.

The invention discloses a data reorganization method capable of reserving time sequence and a video structuring system. The data reorganization method comprises a data extraction process and a data merging process, wherein the data extraction process comprises the step of respectively extracting data related to objects in the same group from original data; and the data merging process comprises the steps of ordering and merging the data related to the objects in the same group according to the time sequence to form reorganized data with the original time sequence being reserved. Since the complexity of the algorithm provided by the invention is low, the consumed computation resources are fewer and the processing time is linearly and positively correlated to the number of input data, the algorithm is very easy to realize on software or hardware. Since the input and output results of group data have FIFO (first in first out) characteristics, the reorganized data maintains the input time sequence to a certain extent and the data reorganization method is suitable for a real-time system.

The invention provides a parallel algorithm of computing a convex hull based on a multinuclear framework specific to the defect of an existing convex hull algorithm. The parallel algorithm of computing the convex hull based on the multinuclear framework comprises the following steps: (1), finding the initial incomplete convex hull of initial point assembly, indicating edges by counter clockwise direction directed edge; (2), classifying a point set based on the initial incomplete convex hull, finding out all of the outer points of directed edges; (3), iteratively and concurrently breeding each of the directed edge of the initial incomplete convex hull; (4), deleting final acquired non-convex-hull peak on the convex hull. The parallel algorithm of computing the convex hull based on the multinuclear framework effectively optimizes an original algorithm and plenarily saves calculation resources, parallelly expands the classification process of the point set and the iterative process to the original algorithm, and fully utilizes the parallel calculation resources of a multi-core processor; so that parallel speed-up ratio is controlled by controlling parallel mission grain size further by self-adaption selection of the parallel and serial, and possibly produced bottlenecks are eliminated.

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a self-learning robotic process automation are disclosed. In one aspect, a method includes receiving an automated script that includes one or more commands and that is configured to interact with graphical elements that appear on a user interface. The method further includes executing a command of the one or more commands of the automated script. The method further includes determining that an error occurred during execution of the command of the one or more commands of the automated script.The method further includes determining a modification for the command by applying a script repair model. The method further includes executing the modified command. The method further includes determining whether the error or another error occurred during execution of the modified command. The method further includes determining whether to update the automated script with the modified command.

A method and a device for removing noise in an image are disclosed in the invention. The method comprises the following steps: the image is decomposed into a high frequency part and a low frequency part, a feature matrix for the high frequency part is determined, each feature vector in the feature matrix represents an image block for each image block in the high frequency part, at least the feature matrix and a coefficient matrix are used for representing the feature matrix, and an optimal solution for the coefficient matrix is determined while a rank of at least the coefficient matrix is minimized; based on the optimal solution for the coefficient matrix, an image block corresponding to noise in the high frequency part is determined and then removed, and the high frequency part with the noise removed and the low frequency art are combined to obtain an image with the noise removed. Technical effects of the method and device disclosed in the invention are that computing resources can be saved, processing time can be reduced, and image quality can be improved.

The embodiment of the invention provides a mobile terminal webpage advertisement filtering method, a gateway GPRS support node and an HTMLServer. The method comprises the steps of receiving a webpageaccess request sent by a mobile terminal, and acquiring a user identity corresponding to the mobile terminal and a webpage identity corresponding to a to-be-accessed webpage according to the webpage access request; judging whether the user identity and the webpage identity satisfy a preset filtering policy or not and sending a webpage filtering request comprising the webpage identity to the HTMLServer if the preset filtering policy is satisfied, thereby enabling the HTMLServer to filter webpage advertisement of the to-be-accessed webpage according to a filtering rule; and receiving the filtered to-be-accessed webpage sent by the HTMLServer, and sending the filtered to-be-accessed webpage to the mobile terminal for display. The gateway GPRS support node and the HTMLServer are used for performing the method. According to the embodiment of the invention, the targeted advertisement filtering can be carried out on the mobile terminal webpage, computing resources are saved, the processing speed is fast, the access efficiency is high, and the embodiment of the invention has universality.

The invention discloses a model training method, which comprises the following steps: acquiring a node subset to be trained from a node set to be trained; the number of nodes in the node subset to betrained is smaller than the number of nodes in the node set to be trained; Determining a node characteristic vector quantum set according to a node subset to be trained; According to the subset of thetarget node and the characteristic of the node to the quantum set, the subset of the prediction class probability is determined, and the prediction class probability and the target node have the corresponding relation; Determining a second model parameter according to the predicted class probability subset and the first model parameter; A node classification model is obtained by training according to the parameters of the second model. The invention also discloses a node classification method and a server. As for that large-scale map, the invention can only carry out train based on a part ofnode, and part of nodes in the map are calculated in each iteration, and each node in the map need not be traversed, thereby greatly reducing computational overhead and save computational resources.

The invention discloses a channel decoder used applying for the third generation mobile communications system terminals, relating to the channel decoder and its corresponding method based on the hardware. To solve inefficiency of the existing decoders, the channel decoder includes: the channel type judging module for judging the wireless signal data channel type, more than one channel decoding logic modules for decoding by each transmission channel, the control module for controlling the channel decoding logic modules. The invention also discloses the decoding method, including: judging the type of channels for transmitting data, selecting and starting the channel decoding logic module according to the determined type, conducting decoding according to the chosen decoding logic modules.

The invention discloses a method for removing a human gene sequence in macro genome sequencing data. The method comprises the following steps that a reference gene set is constructed through originalsequencing data of genome planning samples of thousands of people, and after high-quality sequencing read of genome data of thousands of people is obtained, genome assembly software assembles the sequencing read into a long gene segment to serve as a reference sequence later to be compared with the sequencing read; gene fragment data is extracted from all non-tumor samples from an NCBI database toserve as gene fragment data of an NCBI Bioproject for subsequent processing; the data of the genome data of thousands of people and the data of the NCBI Bioproject are merged, and after redundancy elimination, the data becomes a non-redundant gene fragment data set; virus genome sequences in the non-redundant gene fragment data set are found out and removed from the gene fragment sequence; the gene fragment sequence without the virus genome sequences serves as a reference genome for removing a human sequence in the macro genome sequencing data.

The invention discloses a method and device for obtaining discrepant data. The method includes the steps that a query request from a client is obtained, wherein the query request is used for queryingthe discrepant data of a target data file from a first version to a second version, and the second version is later than the first version; the discrepant data are obtained from a preset storage areabased on the query request; and the discrepant data are returned to the client. According to the method and device for obtaining the discrepant data, the technical problems of high computing resourcesoccupied by the discrepant data among a plurality of table files obtained by a table change checking platform and low obtaining efficiency in the prior art are solved.

The invention provides a lightweight end-to-end secure communication authentication method based on an identification password. According to the method, the digital signature algorithm based on the identity label is integrated into the SSL/TLS handshake protocol and is applied to the industrial control system, so that the authentication process of the digital signature algorithm based on the identity label between the engineer station and the terminal equipment is completed. Meanwhile, when the terminal equipment is connected with the engineer station for the first time, identity authentication can be carried out in a challenge/response-based mode, so that the correctness of the identity of the engineer station is ensured. And while identity authentication is carried out, the two parties also realize exchange of symmetric encryption keys. The engineer station takes the identity label of the engineer station as the public key of the engineer station, a public key certificate is not needed any more, the complexity of public key certificate management and maintenance is greatly reduced, the industrial control system added with the authentication function can effectively block unauthorized access of illegal users to the industrial control system, terminal equipment is prevented from being invaded, and sensitive resources of the system are protected.

The invention discloses a pre-coded vector determination method, a pre-coded vector determination device, a base station and a user terminal, aiming at solving the problem that many computing resources are consumed by adopting the existing pre-coded vector determination method. The method comprises the steps of: determining equivalent channel matrixes T<j> of all user terminals, and aiming at each user terminal, executing the following steps of: according to the T<j> of other user terminals, determining an interference channel matrix and executing orthogonalization processing to all row vectors in the interference channel matrix to obtain a group of standard orthogonal bases B; determining an orthogonal projection matrix of a subspace which is formed from the equivalent channel matrix of the user terminal to the interference channel matrix in a spanning way, determining the quantity of receiving antennas of the user terminal, taking the orthogonal projection matrix as a matrix to be conducted with singular value decomposition (SVD), and according to a preset corresponding relation between the quantity of the receiving antennas and simplified SVD algorithms, determining a simplified SVD algorithm corresponding to the determined quantity of the receiving antennas; and according to a right singular vector corresponding to a singular value determined based on the determined simplified SVD algorithm, determining a pre-coded vector aiming at the user terminal.