119 results about "Back end server" patented technology

A system for self-executing enhanced interaction with a node-based logistics receptacle. The system includes a wireless accessory sensor node disposed on the node-based logistics receptacle to monitor storage receptacle components of the node-based logistics receptacle to generate sensor data. The system includes a bridge node disposed on the node-based logistics receptacle that uploads information related the sensor data, detects an external device separate from the node-based logistics receptacle, communicates with the external device to establish a smart contract based connection that provides an interaction privilege, interfaces with the external device according to the interaction privilege, and transmits an update message to the backend server that corresponds to at least a portion of the uploaded information related to the sensor data and information related to interfacing with the external device.

A dynamic learning server-based logistics system includes a node-based logistics receptacle operative to receive a delivery item as part of a logistics transaction and also includes a backend server maintaining a management profile related to operation of the node-based logistics receptacle. The node-based logistics receptacle includes a plurality of monitored receptacle components, a wireless accessory sensor node having a plurality of sensors, and a bridge node operative to retrieve event information from the wireless accessory sensor node. The backend server receives the retrieved event information, compares the retrieved event information with the management profile, identifies a threshold change condition from the comparison, dynamically revises the management profile when the threshold change condition is identified, and transmits an adjustment message to the bridge node. The adjustment message is based upon the revised management profile, and the adjustment message initiates a timing change to operation of the bridge node.

The invention relates to the technical field of audio and video transmission, in particular to an internal and external network audio and video secure transmission method and system based on a cloud platform. By combining the load balancing technology with the real-time load state and the audio and video stream characteristics of the cloud platform, the encrypted traffic can be dynamically distributed to a plurality of back-end servers, and the calculation overhead in the encryption process can be effectively reduced through selection of the lightweight asymmetric encryption algorithm and the optimized key exchange process; in a handshake stage, by optimizing a key negotiation process and adjusting a key exchange process according to segmentation characteristics, the execution efficiency of a protocol is further improved, and by dynamically adjusting the execution opportunity of encryption operation, it is ensured that the encryption operation is executed at a proper opportunity, and the encryption efficiency is improved. By monitoring and adjusting the load distribution strategy and the encryption parameters in real time, the system operation mode can be dynamically adjusted according to the distortion degree and the transmission state of the audio and video streams, and the distortion degree of the audio and video streams is effectively reduced.

The invention provides an intelligent labeling method for digital slices at a browser side and application of the intelligent labeling method, and relates to the technical field of medical image processing. The invention aims to solve the problem of poor interaction experience caused by data privacy risk and network delay due to dependence on a back-end server in the prior art. The method comprises the following steps: determining a seed point in response to an interactive operation of a user at a browser end, and dynamically loading a local slice image based on a spatial index; and calling a GPU (Graphics Processing Unit) by utilizing WebGL to calculate pixel similarity in parallel, adaptively adjusting a similarity threshold according to a current view zooming level, generating a segmentation mask in combination with a scanning line region growing algorithm, and performing vectorization rendering. According to the method, data does not need to be uploaded to a server, pure front-end, lightweight and real-time intelligent labeling of the GB-level high-resolution pathological section is achieved, data privacy is effectively guaranteed, and labeling efficiency is improved.

The invention relates to a recorded video authenticity detection system and method, and belongs to the technical field of video detection, and the system comprises a client or a front end which is used for obtaining key frame feature setting sent by a back-end server, determining a key frame based on the key frame feature setting and carrying out feature noise injection in a video recording process, after the video recording is finished, the recorded video is packaged, and the packaged video is sent to a back-end server; wherein the key frame feature setting comprises a feature vector setting mode, and the feature vector setting mode comprises a static setting mode and a dynamic setting mode; and the back-end server is used for receiving the packaged video sent by the client or the front end and verifying the packaged video to obtain a verification result, and the verification result comprises a real recorded video or an unreal recorded video. According to the system, the video recorded by the client can be efficiently verified, and the verification accuracy is improved.

A method for authenticating a user of a vehicle. A backend server authenticates a user of a vehicle by personal data provided by the user, a backend server for authenticating a user of a vehicle and a vehicle for authenticating a user of the vehicle.

A distributed computer system comprises one or more patient system, configured to be operated by patients seeking provider services, a front-end web server to interface to the one or more patient system, a back-end server system coupled to the front-end web server to receive patient information, a healthcare provider system that provides information about a procedure needed by a patient unable to pay for the procedure, providing the information to the back-end server system, and a donor computer system, for accepting and receiving messages from the back-end server system about funding patient procedures.

This application discloses a server detection method, apparatus, storage medium, and electronic device. The method includes: sending a target status detection request to a reference server through a target proxy server at a first moment; determining that the reference server is in an abnormal state if reference status information has not been received through the target proxy server at a second moment; obtaining status identifier information carried in the reference status information if the reference status information is received through the target proxy server before the second moment; determining that the reference server is in a normal operating state if the status identifier information matches the target status identifier information; and determining that the reference server is in an abnormal state if the status identifier information does not match the target status identifier information. This solves the technical problem of the tight coupling between the proxy end and the backend server configuration layer affecting the stability of the server cluster.

The application provides an intelligent visual detection method and device for component defects, which comprises the following steps: loading a light standard three-dimensional model corresponding to a target component from a backend server; synchronously collecting real-time image data and depth data of the component on a conveying mechanism or a clamping mechanism; generating a real-time point cloud model for describing surface geometric features of the component based on the real-time image data and the depth data; matching the real-time point cloud model with the light standard three-dimensional model to locate a point area of interest in a high-defect area of the component; spatially mapping and fusing texture features in the real-time image data and the depth data in the point area of interest; and identifying defects in the point area of interest of the component through a joint probability model. The application can realize high-speed and accurate defect detection of components without complex feature engineering, and greatly reduces the maintenance difficulty and implementation cost of the algorithm.

A system and method for lane control of a fleet (18) of autonomous vehicles (16) in a road network with multi-lane roads is characterized in that it comprises a backend server (10) wirelessly connected to the fleet vehicles (16), which contains location-specific levels of automation (L1..L5) for each lane (26a, 26b, 26c) on multi-lane roads (24), wherein the fleet vehicles (16) moving on such a road (24) are designed and configured to determine environmental data of the fleet vehicle (16) for the current vehicle lane (26a, 26b, 26c) and vehicle position and to transmit this data to the backend server (10), wherein the backend server (10) uses at least this environmental data to determine a level of automation (L1...L5) determines and stores, and the backend server (10) is further trained and configured to transmit the levels of automation (L1...L5) to each fleet vehicle (16) for a given section of track (24) for the available lanes (26a, 26b, 26c), and each fleet vehicle (16) includes a trajectory computer (22) which is trained and configured to determine and follow a lane trajectory (27) from the transmitted levels of automation (L1...L5) of the lanes (26a, 26b, 26c) of the section of track (24), taking advantage of the highest possible level of automation.

This invention discloses a method, system, computer device, and medium for automatically updating dynamic forms. One embodiment of the method, applied to a browser, includes: sending a resource request instruction to a front-end server in response to a form initiation operation by the user, and obtaining resources from the front-end server; parsing and executing the resources, triggering a form engine to obtain form metadata; setting an event listener function based on the form metadata and generating dynamic form code; running the dynamic form code to present a visual dynamic form and triggering the event listener function; modifying the form metadata and generating an editing trigger signal in response to a form editing operation by the user, the event listener function listening to and transmitting the editing trigger signal to the front-end server, and the front-end server calling the data interface of the back-end server to modify the form metadata stored in the database. This embodiment can dynamically update the form metadata stored in the database through the event listener function, and has practical application value.

This invention discloses a real-time face counting system for conference rooms based on LSTM, belonging to the field of artificial intelligence technology. It includes a perception and acquisition module, an analysis and counting module, and an integration and management module. The perception and acquisition module is used for real-time video stream acquisition and face target perception and preliminary detection. The perception and acquisition module includes a multi-channel video acquisition unit and a front-end data transmission unit. The multi-channel video acquisition unit is used to capture video streams covering the conference room entrances and exits in real time. The front-end data transmission unit is used to transmit the video streams to the back-end server at high speed and low latency. The analysis and counting module is connected to the perception and acquisition module to achieve automatic identification, deduplication, and real-time updating of the number of people in the conference room. The target detection and tracking unit is used to detect faces in video frames. The system tracks the movement trajectory of each person to ensure that each person is counted only once, and dynamically increases or decreases the count as people enter and exit.

The invention relates to a method for anonymizing motion data of a road user (1, 2) equipped with a positioning device, the road user having communication means for transmitting and receiving data to and from a backend server (3) and to other road users (2, 1). The method of the invention is characterized in that the motion data are collected in individual time- and position-dependent data sets and transmitted to the backend server (3), wherein the transmission of at least a part of the data sets is carried out indirectly via at least one other vehicle (1, 2), and / or the position association and / or the time association in at least a part of the data sets is noise-ized before transmission.

The invention discloses a data processing method and electronic equipment. The method comprises the steps that a first back-end server determines a linkage page which can be in interactive linkage with a main page through a linkage assembly; the first back-end server generates a dynamic mapping data source provided in an abstract mode and a linkage page request parameter containing the dynamic mapping data source for the linkage component displayed on the main page according to a linkage protocol, and provides the linkage page request parameter to the client; the client sends a second calling request to a second back-end server according to the linkage page request parameter; and the second back-end server obtains the dynamic mapping data source according to the linkage protocol and the second calling request, wherein the dynamic mapping data source is used for generating a linkage component displayed on the linkage page. By adopting the method, the problems of high complexity and low efficiency of component development and maintenance in the existing interactive linkage mode between the cross-page multiplexing components are solved.

Rating system (10) that determines a network connectivity performance road map (12), wherein the rating system (10) comprises: one or more back-end servers (20) in wireless communication with multiple vehicles (24) located in a geographical area (26) through a wireless communication network (28), wherein the multiple vehicles (24) collect multiple overall performance metrics of the wireless communication network (28); and one or more street map databases (54) in electronic communication with the one or more back-end servers (20), wherein the one or more street map databases (54) store a map data street graph of the geographic area (26) containing multiple nodes (60) connected by multiple edges (62), and one or more statistical measures corresponding to the multiple overall performance metrics of the wireless communication network (28) for each of the multiple nodes (60), and where one or more back-end servers (20) execute instructions to: Calculating one or more statistical measures corresponding to the multiple overall performance metrics of the wireless communications network (28) for each of the multiple edges (62) of the map data street graph of the geographic area (26); and Determining the network connectivity performance road map (12) of the geographical area (26) based on one or more statistical measures corresponding to the multiple overall performance metrics for each of the multiple nodes (60) and for each of the multiple edges (62), Receiving a route request containing a starting point and a final destination from one of the vehicles (24); Calculating distance costs for each of the multiple edges (62) that are part of the network connectivity performance road map (12) in response to receiving the route request; Calculating time costs for each of the multiple edges (62) that are part of the network connectivity performance road map (12), Combining the distance costs and the time costs together on the basis of a weight value assigned to the distance costs and a weight value assigned to the time costs to determine basic edge costs assigned to each of the edges (62) that are part of the network connectivity performance road map (12); and Determining one or more basic route plans by minimizing the basic edge costs assigned to each of the edges (62) located between the starting point and the final destination of the route requirement, characterized by the fact that the one or more back-end servers (20) further execute instructions to: Calculating relief costs for each of the multiple edges (62) that are part of the network connectivity performance road map (12) in response to receiving the route request; and Calculating network live latency costs for each of the multiple edges (62) that are part of the network connectivity performance road map (12).

The invention discloses an internal network proxy communication method, system and device based on a QUIC protocol, and belongs to the technical field of computer networks. The method comprises the following steps: a proxy gateway receives a client request and converts the client request into a preset format; sending to a QUIC connector deployed at a back-end server side in a stream form through the established QUIC connection; the QUIC connector forwards the request to a local back-end service through the loopback address; the response is returned along the original path. The system includes a proxy gateway, a QUIC connection, and a QUIC connector. According to the method and the device, a plurality of client requests are multiplexed into a small number of QUIC connections, and the multiplexing characteristic of the QUIC protocol is utilized, so that the occupation of the NAT table item is reduced from O (N) to O (1), the technical problem that the NAT table item is exhausted in a high-concurrency scene is solved, meanwhile, the connection processing capability of the proxy server is remarkably improved, the delay is reduced, and the system resource consumption is reduced.

The present invention provides an advanced road traffic system and method for improving road safety, as well as a method and electronic device for road users. [Solution] The present invention relates to a computer program. An event detected by a first road user and / or road infrastructure can be broadcast locally to the environment via a direct communication signal and received by other road users in the vicinity. A road user connected to or capable of connecting to a backend server determines the relevance of the detected event and uploads the received information regarding the detected event to the backend server. Other road users who are not within range of the broadcasted direct communication signal but are connected to the backend server can then be notified and / or warned of the detected event.

The invention discloses a deep learning network unmanned aerial vehicle visual angle dam crack detection method, system and device and a medium, and belongs to the technical field of computer vision, and the method comprises the steps: collecting a dam surface image through an unmanned aerial vehicle, and carrying out the preprocessing of the collected image; constructing a target detection network fused with an attention mechanism, and training the target detection network; inputting a to-be-detected image into the trained network, outputting bounding box coordinates of a crack target, and meanwhile, quantifying a trained model and deploying the model to a back-end server; and the unmanned aerial vehicle transmits a real-time shot picture to the server, and the rear-end server analyzes the picture and inputs the picture into the model for real-time detection. The method has the advantages of high safety and high detection efficiency, has the advantage in the detection speed of an algorithm, does not need frame extraction for an unmanned aerial vehicle picture, is low in omission ratio and high in detection precision for a scene in which the unmanned aerial vehicle flies quickly, and further enhances the anti-interference capability of unmanned aerial vehicle detection.

The invention provides an express delivery transportation management system and method based on an RFID lightweight algorithm, the system is composed of an RFID tag, a reader-writer, a reader, a back-end server, an intelligent terminal device (such as a mobile phone and a computer) and the like, the manual sorting process is optimized through the RFID technology, and the intelligent level of express delivery tracking, positioning and information management is improved. In order to guarantee data privacy, a lightweight security protocol is introduced into the system design, it is ensured that an unauthorized module cannot read sensitive information of a user, an electronic tag is used for replacing a traditional paper express sheet, and the problem of user privacy disclosure is effectively avoided. According to the technical scheme, on the premise of protecting the personal information of the user, the digital management level and the overall operation efficiency of the logistics process are improved. According to the method, an RFID (radio frequency identification) technology and an identity authentication mechanism are fused, a self-developed lightweight security algorithm protocol is adopted, and a complete logistics process from a delivery end to a receiving end is constructed.

Systems and methods for providing contactless cards for transactions are disclosed. In an exemplary transaction configuration system, an authentication server receives a session creation request from a backend server to configure a contactless card, and transmits a session creation response and a session token to the backend server. The authentication server receives, from the backend server, an authentication process function request including encrypted data associated with the contactless card, decrypts the encrypted data to produce a decrypted authentication code, and compares the decrypted authentication code to an expected authentication code. Upon the unsuccessful comparison, the authentication server transmits a notification to the back-end server indicating the unsuccessful authentication to the back-end server. After successful comparison, the authentication server transmits a session identifier and a capital primary account associated with the session creation request to the back-end server.

A computer-implemented method for automatically providing dynamic content support to a user includes receiving a natural language-based input from a user requesting help. A backend server is operable to pre-process the question prior to searching. A search for the most relevant articles is performed by comparing the pre-processed input to a set of articles in a vector database. The articles can be re-ranked based on content in the question and characteristics of the user. A request or prompt is generated based on the retrieved articles, question, user characteristics, and system rules. A text generation model is operable to prepare a summary based on the prompt. The summary is sent and displayed to the user on their computing device. Related systems are described.

The application discloses a kind of methods for generating dynamic report, device and electronic equipment, applied to backend server, the method comprises the following steps: receiving report demand, and the basic information and query logic of report are configured in report information configuration table based on ordinary demand in report demand;Based on the special demand in report demand, create extension query class and extension query method, and the path and name where extension query class and extension query method are added to report information configuration table;Report information configuration table is sent to front-end server, to make front-end server based on report information configuration table rendering generates the query page of dynamic report;When special demand changes, based on new special demand, create new extension query class and new extension query method, and the path and name in report information configuration table are updated using the new path and new name where new extension query class and new extension query method are located.The technical scheme provided by the application improves report development efficiency.

The invention discloses a method and device for sending buried point data of terminal equipment, a storage medium and a computer program product, and relates to the field of computers.The method comprises the steps that under the condition that it is determined that the terminal equipment triggers a buried point code, buried point data corresponding to a target service event is generated through the buried point code, the burying point data is used for indicating service event information generated when the terminal equipment executes the target service event; storing the burying point data into a cache queue; and sending the buried point data in the cache queue to a back-end server according to a preset sending strategy so as to indicate the back-end server to analyze a service operation path of the target service event according to the buried point data.

The invention provides a service request processing method and device for realizing network penetration, and relates to the technical field of data transmission, and the method comprises the steps: obtaining a service request of an Internet terminal; sending the service request to a firewall for preprocessing, and forwarding the service request to a front-end server for judgment based on the preprocessed service request and a first gateway to obtain a judgment result about whether a back-end server needs to be called for interaction; if the judgment result is that a back-end server needs to be called for interaction, sequentially sending a preset authorization certificate and the service request to a second gateway for processing, and forwarding the authorization certificate and the service request to a security platform for authentication through the second gateway to obtain an authenticated service request; and sending the authenticated service request to a third gateway, and sending the authenticated service request to a back-end server through the third gateway for service request processing to obtain a service request processing result. According to the invention, the operation and maintenance cost and resource waste are reduced, and unauthorized external access and potential data leakage risks are prevented.

The application discloses a driver order-accepting willingness presetting method and device based on route prediction, and relates to the technical field of mobile travel and online car-hailing services. The method is executed by a driver client, and comprises the following steps: collecting real-time driving track data such as position, speed and heading angle at a preset frequency through a cross-platform framework to call a native interface; loading a pre-trained lightweight time series prediction model, inputting the track data into the model to output a predicted destination and a path affinity; when the path affinity exceeds a threshold value, generating order-accepting willingness data containing destination preference coordinates and a dynamic order-accepting radius according to the predicted destination; and uploading the order-accepting willingness data to a backend server to guide an order matching engine to perform matching calculation of drivers and orders. The application sinks the route prediction and willingness presetting capability to the driver end, realizes second-level perception and automatic expression of the dynamic intention of the driver, significantly improves the real-time performance and accuracy of order matching, and reduces the manual operation burden of the driver.

The present invention relates to a method for communication during a group ride, in which several vehicles (611, 612, 613, 621, 622, 623, 631, 632, 633) are each equipped with a GPS sensor and means for V2X communication and internet communication, in which, in a first step, a vehicle group with at least two vehicles located within a V2X transmit / receive range (602, 603) is formed as respective group participants by means of internet communication, by transmitting a respective ID data record from each group participant, which includes the name of a driver and a V2X sender ID of the respective vehicle, to a backend server, and from the backend server a group data record with all group participants is transmitted to each vehicle, and in which, in a second step, a group ride is carried out by means of V2X communication.by managing the V2X Basic Safety Messages containing status information from all vehicles in each vehicle, assigning the vehicle with the shortest distance to a destination as the lead vehicle, and continuously generating a map with the route and GPS positions of all group participants in each vehicle by a control unit of the respective vehicle, and displaying the map on a display unit for the respective driver.

The application provides a grid display method and device, electronic equipment and a computer readable storage medium, wherein the method comprises: determining a target zoom level of a current map view and target numbers of each target map slice contained in the current map view according to the current map view currently browsed by a user; the target map slice is obtained by pre-dividing a target map; sending a service request containing the target zoom level and the target numbers to a backend server to obtain target grid data of a target grid corresponding to the current map view from the backend server; the target map is pre-divided into multiple grids; after rendering the target grid data to obtain a target grid layer, superimposing the target grid layer on a corresponding position on the target map to display the target grid layer through the current map view; the target grid layer contains grid attribute information of the target grid. The method is beneficial to improving the smoothness and real-time performance of grid display.

The application discloses an Nginx request data collection method and device, equipment and a storage medium. The method comprises the following steps: in the application program starting process, the program identification module in the probe tool is used for program identification on the application program; if the application program is identified as an Nginx application program, the program identification module is used for determining and loading the Nginx probe corresponding to the Nginx application program; the Nginx probe is used for listening to the service request received by the Nginx application program and collecting the first request data of the service request; when the Nginx application program is executed as a reverse proxy server function, the second request data of the service request is collected by the Nginx probe after the service request is forwarded to the back-end server; and the first request data and the second request data are used as the target request data of the execution process of the Nginx application program. The application embodiment improves the richness and convenience of collecting Nginx request data.

Embodiments of the present application provide a data reading method and device, a front-end device and a storage medium, and relate to the field of data processing. The method comprises the following steps: first, generating a data reading request according to the data reading operation of a background personnel on the data reading page. Then, sending the data reading request to the back-end server through a WebSocket client, so that the back-end server acquires the data of the electric meter device and returns the data to the WebSocket client. Finally, the WebSocket client sends the data to the data reading page for display. Since the WebSocket client is installed on the front end, the data reading request generated by the front-end device can be sent to the back-end server through the WebSocket client, thereby improving the real-time performance of data reading under the premise of reducing system pressure.

The application relates to the technical field of data request, and particularly provides a data request processing method, system and device for a Web service cluster and a medium, aiming to solve the technical problem that, due to the different performance and loads of each backend server, the weak-performance backend server and the high-load backend server are overloaded, and the request response time is increased. To this end, the data request processing method for the Web service cluster comprises the following steps: when a gateway layer receives a request from a client, the type of the request is determined; when the type is determined as a dynamic request, a candidate node is selected from all backend nodes according to a load balancing strategy; health check data is sent to the candidate node to obtain the health status of the candidate node; when the health status is determined as normal, the request is sent to the candidate node, and the response data returned by the candidate node is sent to the client.