45results about How to "Save bandwidth" patented technology

The invention relates to an industrial quality inspection data cooperative transmission method driven by image recognition, in particular to the field of artificial intelligence, which analyzes video frames in real time through a lightweight neural network, accurately locates and extracts key areas and features in industrial product images, constructs a dynamic semantic scene graph to understand contents and divide priorities, and improves the quality inspection efficiency. The core of the method is that non-uniform intelligent coding is carried out on video streams according to semantic importance of contents, high-fidelity transmission of key information such as defects is ensured, non-key areas are greatly compressed to save bandwidth, scheduling is carried out in the transmission process according to priorities, confidence feedback based on a cloud recognition result is introduced, closed-loop control is formed, and high-fidelity transmission is realized. According to the method, the front-end analysis model, the coding strategy and the network path are adaptively optimized, so that low-delay and high-reliability visual quality inspection data transmission and accurate identification can be continuously and stably realized in a complex industrial network environment, and the overall efficiency and the intelligent level of online quality inspection are remarkably improved.

According to the distributed photovoltaic ring communication group key generation method provided by the invention, safe and efficient group key management is realized by combining a group number derivation mechanism, environment feature binding and a quantum key enhancement technology. The method comprises the steps that a preset broadcast root key is called from a concentrator, and the broadcast root key is used for deriving group keys of members in each group; acquiring environment characteristics of members in each group in a communication group corresponding to the concentrator, and recording an acquisition timestamp; summarizing the environmental characteristics of all members in the communication group, and performing hash processing on the summarized environmental characteristics to obtain an initial environmental characteristic vector; and generating a first group key with a preset length through a key derivation function based on the broadcast root key, the initial environment feature vector, the timestamp and a preset group identifier.

The application discloses an OTA cross-version incremental synthesis upgrading method and system based on a version graph, and belongs to the field of vehicle OTA upgrading. The method comprises the following steps: step S1, acquiring upgrade package metadata of all versions to construct a version dependency graph; step S2, synthesizing an incremental package according to a current vehicle version, a target version and the version dependency graph; and step S3, performing OTA upgrading on the vehicle through the incremental package. The application solves the problem of intermediate change loss during cross-version upgrading by constructing a version dependency graph and dynamically synthesizing a differential package.

The application relates to a pre-warning processing method, device, equipment, storage medium and computer program product. The method comprises the following steps: acquiring current inspection data corresponding to a target inspection point on an inspection route; in the case that it is determined according to the current inspection data that an inspection report needs to be generated, generating the inspection report according to the current inspection data and historical inspection data corresponding to the target inspection point; and sending the inspection report to a server, so that the server performs pre-warning processing based on the inspection report. By adopting the method, the inspection data collected can be analyzed in time while saving the time and bandwidth of data transmission, and the inspection point with a safety hidden danger can be pre-warned.

The application relates to a fast mirror system based on a transmissive application of an eddy current sensor, which comprises a detector seat, a working mirror body, a mirror seat, a flexible hinge, a voice coil motor, an inner ring seat, an outer ring seat, a rotating ring, an eddy current sensor and a controller; the working mirror body is fixedly connected with the mirror seat; the mirror seat is fixedly connected with the inner ring seat through the flexible hinge; the inner ring seat is fixedly connected with the outer ring seat through the flexible hinge; the outer ring seat is fixedly connected with the rotating ring; the rotating ring is fixedly connected with the inner ring seat and the outer ring seat through the flexible hinge; the outer ring seat is fixedly connected with the detector seat; four eddy current sensors are assembled in the detector seat to collect angle information when the mirror seat rotates; the application has the characteristics of high bandwidth and high precision, can realize the ability of reflecting and transmitting light paths of the working mirror body, provides more possibilities and operability for application environments of a light path stabilization system, and provides a good selection scheme in the directions of light path stabilization and system light path design.

The application relates to the technical field of semiconductor chip packaging, and discloses a lead frame structure and a packaging structure for SOW10 packaging of a Hall current sensor chip, which comprises a lead frame base island, the thickness of the lead frame base island is greater than that of a conventional SOW16 lead frame base island, so as to compensate for the loss of the cross-sectional area of the original side current path caused by the reduction in the number of pins in a first pin group; the lead frame pins comprise a first pin group and a second pin group; the first pin group is directly arranged on the lead frame base island and is electrically connected to the lead frame base island, is located at the opposite side of the side where the protruding part is located, and is used for leading in and out the original side current; the second pin group is connected to a die through a lead wire; an isolation device is arranged between the die and the lead frame base island, and the isolation device completely covers the area where the lead wire passes through the lead frame base island on a projection plane. The application provides the lead frame structure with lower conduction resistance, and the structure has lower conduction impedance.

The application discloses an interactive form design method and system based on a language large model, and belongs to the technical field of human-computer interaction and form automatic generation. In view of the problems that a traditional form design tool is tedious to operate, highly depends on manual experience, and an existing method based on a large model has high training cost, weak interaction ability and difficulty in real-time collaboration, the following scheme is used for improvement: defining a JSON Schema specification of a form and constructing a visual form designer, integrating a language large model interaction entrance in an interface, dynamically assembling a request containing user instructions, a JSON Schema specification and existing form data according to whether the form is empty, and submitting the request to the language large model; receiving a response in a streaming manner, and real-time analyzing and progressively updating a form designer preview interface, so that a user can directly generate or modify a form through natural language instructions, and multi-round interaction and manual subsequent adjustment are supported. The method is mainly used for reducing a form design threshold, improving design efficiency and intelligent collaboration level.

The application relates to the technical field of computers, in particular to the field of artificial intelligence, and provides a message forwarding method and device, electronic equipment and a storage medium. The method comprises the following steps: based on forwarding information of a to-be-processed message, querying a matched address table entry in a first address table of an initial board card in a network device; in the case that no address table entry is queried in the first address table, based on the forwarding information, querying a matched address table entry in a second address table of a switching network board in the network device; in the case that the matched address table entry is queried in the second address table, forwarding the to-be-processed message through a target forwarding port in the matched address table entry. Since the switching network board of the application can also be used for address table entry query, flooding forwarding is reduced, system bandwidth is further saved, and the hardware resource utilization rate is improved.

A computer-implemented method for generating synthetic data describing a sample may include: processing, by a system operatively coupled to a processor, sample information describing a set of original features of the sample, thereby producing processed model input information; and generating composite image data by analyzing a model and based on the processed model input information, the composite image data being usable to generate a composite image and describing at least a portion of the set of original features. The computer-implemented method may also include generating, by the system, a composite image of dummy samples based on the composite image data, the composite image having at least one dummy feature different from and based on the set of original features.

The application discloses a point cloud information processing method, device and equipment and a storage medium, and comprises the following steps: acquiring current point cloud frame data, wherein the current point cloud frame data comprises three-dimensional coordinate information of a plurality of point clouds; performing two-dimensional space mapping processing on the three-dimensional coordinate information of the plurality of point clouds to obtain a current depth image corresponding to the current point cloud frame data; comparing the current depth image with a previous depth image to obtain a frame difference image, wherein the previous depth image is a depth image corresponding to previous point cloud frame data adjacent to the current point cloud frame data; determining a target sending image from the current depth image and the frame difference image with smaller data quantity; and sending the target sending image to an image rendering module. The application can effectively reduce the data quantity of point cloud data, facilitate the storage and sending of point cloud data, and ensure real-time transmission of point cloud data.

The invention provides a discontinuous memory access device for processing border-crossing coordinates and a control method, and the device comprises a continuous reading module which is used for reading original coordinates from a memory; the detection module is used for detecting the original coordinates to obtain a detection result corresponding to the original coordinates; the coordinate-to-address module is used for acquiring a detection result; if the detection result is that the original coordinate is not the border-crossing coordinate and is not the end point coordinate, converting the original coordinate to obtain an absolute address corresponding to the original coordinate; the border crossing coordinates are external coordinates of the original image; the end point coordinate is the last coordinate needing to be read; the discontinuous reading module is used for reading the target data from the memory based on the absolute address corresponding to the original coordinate; and the writing module is used for writing the target data into the memory. According to the technical scheme, the cross-border coordinates are processed through hardware, the original image does not need to be actually filled, and time, memory space and bandwidth are saved.

This invention discloses a wafer-level chip, board, and electronic device. The wafer-level chip includes multiple computing blocks, each computing block including a switching node and multiple computing nodes distributed around the switching node. The multiple computing nodes in the computing block and the switching node are interconnected through a first network, which includes a ring network and a star network. The multiple computing nodes in the computing block are interconnected through the ring network, and the switching node in the computing block is interconnected with the multiple computing nodes through the star network. The switching nodes of the multiple computing blocks are interconnected through a second network. The bandwidth of the first network is less than the bandwidth of the second network. The wafer-level chip provided by this invention can achieve a balance between bandwidth and latency under the premise of high bandwidth and low latency, and can significantly improve robustness in the event of node failure.

The invention relates to the technical field of storage, and discloses a data patrolling and reading method and system, patrolling and reading configuration information is obtained through an RAID controller, a patrolling and reading instruction is generated based on the patrolling and reading configuration information, the patrolling and reading instruction comprises a patrolling and reading mode, a storage device determines patrolling and reading time based on the patrolling and reading instruction and sends the patrolling and reading time to the RAID controller, and the data are read according to the patrolling and reading mode. And the RAID controller generates the query instruction based on the patrol reading time so as to obtain the patrol reading result based on the query instruction, so that the data integrity of the storage device can be determined based on the patrol reading result, the bandwidth occupied by total data reading is reduced, and the data patrol reading rate between the RAID and the storage device is improved.

The application relates to the technical field of integrated circuits, and discloses an analog front-end circuit applied to a super-high-speed SerDes receiver, a transimpedance amplifier of which comprises a pair of input transistors, the gates of which are connected and connected with a T coil composed of a first inductor and a second inductor, one end of the first inductor is connected with the gate and connected in parallel with a second capacitor, the other end receives a front-stage input and is connected in parallel with one end of the second inductor and a first capacitor, the drains of the input transistors are connected and connected with a T coil composed of a fifth inductor and a sixth inductor, one end of the sixth inductor is connected with the drain and connected in parallel with a third capacitor, the other end outputs an amplified signal and is connected in parallel with one end of the fifth inductor and a fourth capacitor, and the other end of the second inductor and the other end of the fifth inductor are directly connected in series with a first resistor and a third inductor. The application optimizes zero-pole compensation high-frequency loss and optimizes impedance matching to reduce reflection, and better guarantees the integrity of signals.

The application discloses a dynamic message aggregation and distribution method and system. The destination address of an original message in a received message is judged. If the destination address is local, the message is directly sent. If the destination address is not local, it is judged whether the message is repeated according to the message type and content. For the repeated message, message aggregation is performed. The message aggregation includes counting the message identifier of the repeated message and determining the forwarding server list of the aggregated message. The aggregated message is sent to the remote server closest to the local server in the server list. The aggregated message in the received message is dis-aggregated. The message with the local destination address is sent to the destination address. After the local address in the server list is deleted, the aggregated message is sent to other remote servers. Through accurate calculation of only receiving the forwarding server node set of the message, the forwarding of the group message to irrelevant servers is reduced, thereby greatly reducing the redundant network traffic and saving the valuable bandwidth resources.

The invention relates to the technical field of communication service processing, and discloses a multimedia communication service processing method, which comprises the following steps: acquiring a preset standard compression ratio, and adjusting the compression ratio of multimedia information to be compressed in a high-load path in combination with a priority transmission index and a content importance index; the communication load index is calculated by obtaining the communication path load data, the compression program is started only when the path is in a high load state, normal transmission is kept when the path is in a low load state, resource waste caused by indifference compression is avoided, the transmission resource utilization rate is increased, and the transmission efficiency is improved. The content importance index is calculated by analyzing the content data of the multimedia information to be compressed, the content is divided into different compression levels, and the compression ratio is dynamically adjusted by combining the priority transmission index and the preset standard compression ratio, so that the content with high importance degree adopts the low compression ratio to ensure the quality; and the content with low importance adopts a high compression ratio, so that the bandwidth is saved, and accurate matching of the content quality and the transmission efficiency is realized.

The application discloses a multi-path camera image frame extraction method and system, relates to the technical field of data processing, and extracts frames through a two-stage frame extraction strategy combining low-frequency monitoring and high-frequency tracking. When no event occurs, monitoring is performed at a very low first preset data sampling frequency, and subsequent processing is triggered only when a scene change is detected, so that data storage under a static scene is greatly reduced. When a key target is recognized, high-frequency sampling is immediately switched to, so that the integrity of key information is ensured. Compared with fixed-frequency frame extraction, the on-demand resource allocation manner can more effectively save storage and bandwidth.

This invention proposes a message uploading method and a distributed switch stacking system, relating to the field of communication technology. The CPU of the slave device's MPU card determines the destination board based on the load parameters of all LPU cards and SFU cards of the master device and returns the information to the switching chip of the slave device's source LPU. The switching chip of the slave device's source LPU card adds a private encapsulation to the message to be processed using the destination board's information and a preset identifier, and determines the outgoing port according to the forwarding path table pre-issued by the slave device's MPU card CPU. The message is then forwarded across cards via the data channel until it reaches the switching chip of the destination board. The switching chip of the destination board decapsulates the encapsulated protocol message to recover the message to be processed, and the destination board's CPU uploads it to the master device's MPU card CPU. This allows the message to be processed from the slave device to reach the master device's MPU card CPU with only one CPU-to-CPU forwarding, reducing latency, saving control channel bandwidth and CPU resources, and improving the overall system performance.

The invention discloses a data loading method, device and equipment, and relates to the technical field of memory management.The method comprises the steps that by means of a memory management unit, when a target physical page frame number is not found in a conversion bypass buffer area, page table traversal is carried out, and a target physical page frame number is obtained; obtaining a target physical page frame number corresponding to virtual network index information in a virtual address of the loading instruction; according to the target physical page frame number and the offset, generating a physical address corresponding to the loading instruction, and obtaining target data corresponding to the physical address from a physical memory; sending the target data to a loading storage unit assembly line to complete data loading of the loading instruction; by utilizing the memory management unit, the same memory access channel can be reused to complete page table traversal and target data prefetching under the condition that the target physical page frame number is not found in the conversion bypass buffer area, so that the delay of searching data from a physical memory is reduced, the pause delay of a processor pipeline is reduced, and the performance is improved.

The application discloses an elastic file preheating and distribution method for a multi-machine room large model, which comprises the following steps: collecting basic resource information and model file resource information of each machine room through a global resource sensing scheduler; obtaining preheating task instructions corresponding to each machine room based on the model file resource information and the running condition of the corresponding machine room through a model-resource matching strategy; based on the preheating task instructions, scanning a model cache state, preferentially selecting a same-machine-room node to transmit a model file through a P2P network, and performing storage cleaning according to a least recently used algorithm or a use frequency strategy; intercepting an access request of an inference instance to a model file through a unified file access module, and based on the position information of the model file, redirecting the access request to a P2P cache node or a backend storage device of the machine room through a routing strategy, so that transparent access to the underlying storage difference is realized.

This invention relates to the fields of medical informatics and data communication technology, specifically a CRRT online acquisition and intelligent monitoring system based on HL7. The system includes: a protocol cleaning and state mapping step: parsing the private protocol binary stream based on a virtual device state machine model to extract the device operating status and monitoring value vectors; a differential semantic analysis step: calculating the rate of change and deviation vector of the monitoring value vector relative to the historical time window; an adaptive message encoding step: selectively generating incremental maintenance messages or full semantic messages based on the comparison results of the rate of change and semantic fluctuation threshold; and a hybrid channel transmission step: dynamically allocating transmission channels and error correction coding strategies according to the message type to execute transmission. This invention solves the transmission contradiction between the real-time nature of high-frequency vital sign data and the redundancy of standardized protocols, balancing standard compatibility and real-time alarm capabilities under limited network conditions.

This utility model discloses a millimeter-wave broadband impedance modulation power amplifier based on a bandpass structure, including a microwave composite board, signal input terminals VIN+ and VIN-, a first MOSFET 5XM1, a second MOSFET 5XM1, a first neutralizing capacitor CN, a second neutralizing capacitor CN, a first signal output terminal Vout-, and a second signal output terminal Vout+. The signal input terminals VIN+ and VIN- are electrically connected to the gates of the first MOSFET 5XM1 and the second MOSFET 5XM1, respectively. The two ends of the first neutralizing capacitor CN are electrically connected to the gate of the first MOSFET 5XM1 and the drain of the second MOSFET 5XM1. The two ends of the second neutralizing capacitor CN are electrically connected to the gate of the second MOSFET 5XM1 and the drain of the first MOSFET 5XM1. The first signal output terminal Vout- is electrically connected to the drain of the first MOSFET 5XM1, and the second signal output terminal Vout+ is electrically connected to the drain of the second MOSFET 5XM1. The technical solution of this utility model can achieve the goals of Ku / Ka band relative bandwidth ≥15%, 6dB backoff efficiency ≥25%, and cost reduction of more than 30%.

The embodiment of the application provides a data encapsulation processing method and device, a storage medium and an electronic device. The method comprises the following steps: determining the positional relationship between a GSE fragment and a sending unit; obtaining an optimization field in the GSE fragment according to the positional relationship; reducing part of the fields in the GSE header of the GSE fragment according to the optimization field to obtain a target GSE fragment after reduction; and encapsulating the target GSE fragment. The method can solve the problems in the related art that the same packet header compression is required to save the transmission link bandwidth, the packet header in the transmission frame needs to have the same encapsulation structure, and a PDU data needs to be sent by multiple sending units. By reducing part of the fields in the GSE header of each sending unit of the PDU, the length of the GSE header of each sending unit can be reduced, thereby saving the transmission link bandwidth.

The application provides a notification suppression method, an electronic device and a storage medium. The method comprises the following steps: when a physical network card receives a data transmission notification initiated by a host side, if a notification suppression configuration rule of a virtual queue corresponding to the data transmission notification represents that notification suppression is needed, and a notification suppression state of the virtual queue is an un-enabled notification suppression state, a flag bit field of the virtual queue is adjusted to a forbidden notification field; an adjustment time of the flag bit field of the virtual queue is updated to a queue suppression timing list; if a time length between the adjustment time of the flag bit field of any virtual queue and a current time is greater than a preset notification initiation time length corresponding to the virtual queue, and the flag bit field is the forbidden notification field, the physical network card initiates a data transmission notification, so that the hardware timely sends the data transmission notification to the software, so as to reduce the sending frequency of the data transmission notification and save the bandwidth of the write register.

The invention provides a high-side current indirect sampling method based on an FSBB quasi-peak current control strategy, and belongs to the technical field of current indirect sampling. The method comprises the following steps that 1, an indirect current sampling circuit is connected with the FSBB converter, a current waveform reproduction circuit of the indirect current sampling circuit forms a voltage-controlled current source and a current mirror through an operational amplifier and a triode, controllable periodic constant-current charging is carried out on a capacitor, in the charging process, the voltage of the capacitor rises at a fixed slope, and the current waveform reproduction circuit is connected with the FSBB converter; a sampling waveform is reproduced in a signal difference mode, accurate reproduction of inductive current under the megahertz frequency is achieved, and adjustable gain is provided; and 2, an amplification circuit of the indirect current sampling circuit converts the differential voltage signal output by the current waveform reproduction circuit into a single-ended signal to the ground, inputs the single-ended signal to the ground into a logic control module, and provides additional gain. According to the invention, extra loss generated on the sampling resistor can be avoided, and accurate sampling of the inductive current in a broadband range can be realized.

This invention discloses an adaptive data acquisition, signing, and encapsulation method and system for the Internet of Things (IoT). The method includes: dynamically determining a batch signing threshold based on environmental parameters; acquiring data in real time, calculating and caching hash values, and encapsulating the data and its corresponding hash values ​​into data packets for transmission to the cloud; when the number of transmitted data packets reaches the batch signing threshold, triggering a signing operation, generating an overall digital signature for all cached hash values ​​using a built-in private key, and encapsulating the set of all hash values ​​and the overall digital signature into a signature packet for transmission to the cloud for cloud verification of data integrity and batch confirmation of data packet authenticity. This invention changes the traditional strongly bound encapsulation mode of "data + signature," separating the data packets and signature packets into separate encapsulations, changing the traditional "signature for every packet" to "acquisition and transmission as needed, batch signing," greatly reducing the frequency of asymmetric encryption by hardware security chips, eliminating transmission congestion caused by encryption, and significantly increasing system throughput.

The application discloses a kind of methods and devices for embedded operating system firmware hot patch security update, the method includes: when system starts, load firmware from system running area, and establish a set of global function jump table in system memory;For specified vulnerability or function update, make micro patch package, after the running equipment of the system receives the patch package, after source authentication and integrity check pass, the patch package is decompressed, and the new function code therein is loaded into the reserved update area;For the target function to be replaced, set the target function to a safety point when it is not currently called by any task and does not exist in the call stack of any task, and perform remapping operation through update manager when reaching the safety point;After remapping is completed, all subsequent calls to the function function jump to the new function in the update area for execution.The application can greatly improve the operation and maintenance efficiency and network security protection capability of critical infrastructure.

This application provides a content distribution system, method, electronic device, and storage medium. In this embodiment, domain name resolution is performed at the granularity of the same edge node group, enabling edge nodes to access the required content resources by accessing the nearest edge node in the same edge node group. This achieves localized distribution of content resources, reducing bandwidth pressure and saving bandwidth resources. It effectively reduces the probability of slow or inaccessible content resources, especially in weak network environments or scenarios with one-way network visibility. Access acceleration can be achieved without building dedicated lines or other more specialized network solutions. Furthermore, since daily access traffic is primarily between edge nodes, the technical solution provided in this application has almost zero traffic cost in practical applications, resulting in significant bandwidth savings.

This invention discloses a distributed decoding method and system for web-based video surveillance, belonging to the field of network video playback technology. The method includes: the browser actively initiating a WebSocket connection via a local loopback address port (127.0.0.1:19022) to detect whether the user terminal has installed a distributed decoding program; the distributed decoding program calls the local FFmpeg library, utilizes the terminal CPU to perform real-time decoding of the video stream, and uses OpenCV to convert the decoded video keyframes frame by frame into an image format natively supported by the browser; the distributed decoding program encapsulates the binary data and address identifier of each frame into a WebSocket message and actively pushes it to the browser, which then refreshes and displays the image in real-time in a designated area of ​​the page based on the address identifier; this invention achieves zero-plugin, low-latency, cross-platform, and secure web-based video decoding, significantly reducing server load and network latency, and improving user experience and system compatibility.