1024results about How to "Reduce data transfer volume" patented technology

The invention discloses a method for dynamic acquisition and transmission of wireless data. In a data acquisition process of the method, the time interval for data acquisition is dynamically adjusted, according to the change threshold of data acquisition. In a data storing process, the time interval and opportunity for data storing is dynamically adjusted according to the change threshold of data acquisition. In a data sending process, the opportunity for data sending is dynamically adjusted according to the acquisition value alarming threshold and changing rate alarming threshold of data acquisition. Dynamically increasing or reducing data sampling frequency without increasing power consumption of wireless equipment is realized based on data abnormity degree. Alarm information is timely sent by determination of dynamic data acquisition abnormity, so that managers can maintain equipment as early as possible. Wireless data bulk sent is reduced, and the power consumption of wireless monitoring equipment is reduced. The process state information of entire detected equipment can be monitored without increasing the total transmission data bulk.

The invention provides a smart device network access method and device. The smart device network access method includes that: a soft access point soft AP and a sniffer on a smart device are started for monitoring; the smart device provides its device information to a mobile terminal where the soft AP is accessed, and acquires route information of a WiFi network provided by the mobile terminal through sniffer monitoring; the smart device is connected with a household route device according to the received route information. According to the smart device network access method, when the smart device is accessed into the wireless network, the mobile terminal does not need wireless network connection switching, so the smart device can be accessed into the wireless network quickly and conveniently, the network transmission load is low, and wireless network resource expenditure is small.

The invention discloses an intelligent fault diagnosis method suitable for a microgrid. The method comprises the following steps: monitoring the operation state of the microgrid through acquiring voltage current signals on a bus of the microgrid, determining whether an internal fault occurs in the microgrid, and accordingly, determining the starting mode of the diagnosis of the microgrid fault; according to the set condition of a fault diagnosis mode, acquiring the voltage current signals on the bus of the microgrid and carrying out preprocessing; by use of a multi-wavelet package decomposition technology, extracting fault signal transient components of different frequencies; calculating wavelet singular entropy as a characteristic vector of an RBF nerve network fault diagnosis mode of the microgrid; and inputting the characteristic vector into the diagnosis mode, outputting fault state information of the microgrid. According to the invention, a microgrid external fault diagnosis function and an internal short circuit fault diagnosis function are simultaneously provided, and a basis is provided for operation control and correlation protection of the microgrid.

The invention provides a processing circuit of a display screen, a display method and a display device and belongs to the display technology field. The processing circuit of the display screen comprises a sight line capture module, a control module and a display module, wherein the sight line capture module is used for carrying out eyeball tracking of human eyes and determining a watched area of a human eye sight line on the display screen and other areas except for the watched area; the control module is used for acquiring original image data of a frame to be displayed of the display screen, processing first original image data corresponding to the watched area and / or second original image data corresponding to the other areas in the original image data and outputting the first image data corresponding to the watched area and second image data corresponding to the other areas; and the display module is used for displaying according to the first image data and the second image data. In embodiments of the invention, display quality of the display frame can be guaranteed, and simultaneously power consumption of the display device is reduced so that a conflict between a high quality frame of the display device and low power consumption is avoided.

The invention relates to a method for wireless communication between vehicles (2, 3), according to which a second vehicle (3) located in relation to a first vehicle (2) is identified by the first vehicle; the second vehicle (3) emits wireless driving information which is received by the first vehicle, the driving information comprising information on the traffic situation in the surroundings of the second vehicle (3) and / or on the state variables of the second vehicle (3); the driving information received in the first vehicle (2) is processed in the first vehicle (2); and the processed driving information is outputted in the first vehicle (2) at least partially by means of an output means.

The present invention provides a traffic information providing system and terminal and a method of providing traffic information. More specifically, the traffic information providing system includes a first module, within a vehicle, which is configured to receive a range associated with a route calculated by a terminal from a web server, wherein a plurality of ranges are previously set based on a traveling route, a specific region and a present position. Additionally the present invention also includes a second module that is configured to receive a traffic information request for any one of a plurality of ranges from the terminal via a command. A third module is configured to collect traffic information within the provided range corresponding to the command. Upon doing so the second module transmits the traffic information collected by the third module to the traffic information providing terminal to be conveyed to the driver.

The invention relates to a device and a method for outputting indoor soft decoration 3D (three-dimensional) effect drawing designs. The method includes the steps: splitting adjustment output of a 3D effect drawing into two steps of preview of 2D (two-dimensional) six walls and final generation of a 3D scene by arranging a foreground input / output module, a foreground control module, a foreground database, a background database and a background 3D rendering engine, utilizing the foreground database with small data size as a leading edge for preliminary interaction with a user, and then invoking a background 3D model with large data size to generate the 3D effect drawing after adjustment is completed. By the aid of the method, the data transmission quantity during data interaction of a foreground and a background is decreased, requirements on foreground terminal hardware are lowered, operation is accelerated, and the method is particularly applicable to wireless or remote application.

The invention discloses a block chain system consensus method and device based on an improved clustering algorithm. The invention relates to the field of block chains. The method comprises the following steps: enabling the first clustering center node to receive a plurality of requests, packaging the plurality of requests into blocks; broadcasting to the subconsensus cluster to which the subconsensus cluster belongs for consensus; if the block passes the consensus, enabling the block to pass the consensus, broadcasting the blocks to a backbone consensus cluster for consensus; if the consensusof the backbone consensus cluster is passed, enabling each clustering center node to digitally sign and broadcast the block; packaging the received digital signature set and the block into a submission message, broadcasting the submission message to a sub-consensus cluster to which the submission message belongs, receiving the submission message by each non-clustering center node, verifying the digital signature set, and if the transaction content of the block is verified and executed, storing the block in a chain. According to the block chain system consensus based on the improved clusteringalgorithm, the communication frequency and the data transmission amount required by single consensus are reduced, and the working efficiency of the whole block chain system is greatly improved.

The invention relates to a streaming media application method in panoramic virtual reality roaming. Panoramic streaming media integrated with additional information is applied to panoramic virtual roaming and the panoramic virtual roaming with continuous viewpoints is realized. The streaming media application method in panoramic virtual reality roaming comprises the following steps of: 1) compressing and encoding image data by utilizing a streaming media video compressing and encoding manner and integrating the additional information; 2) determining an initial user roaming location, returningcorresponding streaming media file information to a client through inquiring a database, analyzing streaming media files, and establishing a data structure used for buffer management; and 3) displaying panoramic images and the additional information, and displaying additional information corresponding to each frame of panoramic image in panoramic virtual roaming in a manner of continuous viewpoints. According to the streaming media application method in panoramic virtual reality roaming, the panoramic images and the additional information are compressed into a streaming media format, thus thedefects of the traditional network-based panoramic virtual roaming are overcome, the user waiting time is shortened, and a novel technical line is provided for the network data transmission in panoramic virtual reality roaming.

The invention provides an intelligent target scoring system and method based on a multi-bullet-hole mode recognition algorithm. The system comprises a sound control sensor, a swarm intelligence camera, a supervisory control computer and a mobile client. The intelligence camera is arranged in front of targets. Shooting signals trigger the intelligence camera to collect images through the sound control sensor. A target surface positioning correction algorithm, a multi-bullet-hole recognition sorting algorithm and a target scoring algorithm are used for acquiring the bullet hole type and shooting scoring information in real time, and then the information is uploaded to the supervisory control computer and the mobile client through an internal WIFI module. The mobile client conducts voice target scoring, the supervisory control computer displays the shooting scoring information of each shooter in real time, and a user interface is provided for performing statistical query and intelligent management on the shooting information. According to the intelligent target scoring system and method, shooting target scoring of each target is independent and does not depend on the supervisory control computer, the structure is simple, and safety and reliability are achieved; and meanwhile, the provided mode recognition method is high in antijamming capability, the bullet hole recognition rate is high and real-time performance and accuracy can be achieved.

The invention discloses a method for interpolating sub-pixels of adaptive video content, which includes the steps: (1) according to the distance between an input integer pixel position and a sub-pixel position waiting for the interpolation, the input integer pixels are divided into there classifications and obtain basic coefficient; (2) according to the distance between an input integer pixel value and an interpolating-filtering weighted mean this time, the basic coefficient is corrected; (3) the corrected basic coefficient and the target sub-pixel position are interpolated and filtered. The invention also relates to a device for interpolating the sub-pixels of the adaptive video content to realize the method and the device comprises a filtering coefficient generator, an interpolating filter, a memory for storing interpolation result of the sub-pixel position. An input sub-pixel position and an integer pixel matrix enter into the filtering coefficient generator so that the filtering coefficient is generated; the coefficient and the input integer pixel matrix are input into the interpolating filter to execute interpolating and filtering; output result is stored in the memory for storing the interpolation result of the sub-pixel position and then output. The method provides by the invention has the advantages of favorable matching degree of motion estimation, high compressibility and the method can achieve the adaptability of the video content.

The present invention discloses a method and a system for reducing power consumption of a mobile terminal, in order to solve the problem that the mobile terminal has high power consumption in a normal state. The method for reducing power consumption of the mobile terminal comprises the steps of: judging whether frame information to be displayed by the mobile terminal at present belongs to frame information of a first mode, wherein the frame information of the first mode is frame information with low quality display requirements; and reducing mobile communication industry processing interface transmission rate of the mobile terminal and / or enabling a display screen of the mobile terminal to operate in a low-power consumption mode if the frame information to be displayed by the mobile terminal at present belongs to the frame information of the first mode.

The invention provides a mobile browser, a gateway, a browsing system and an access method for an internet page. The gateway comprises a first request receiving module, a first acquisition module and a first sending module, wherein the first request receiving module is used for receiving a first page access request, and the first page access request is sent by the mobile browser and comprises fields for indicating that a template corresponding to a to-be-accessed internet page exists locally; the first acquisition module is used for accessing the to-be-accessed internet page when the first page access request is received, so as to acquire content data corresponding to the to-be-accessed internet page; and the first sending module is used for returning the content data to the browser, so that the content data and the template corresponding to the to-be-accessed internet page are merged by the browser to be presented. By the mobile browser, the gateway, the browsing system and the access method for the internet page, data transmission volume between the browser and the gateway is reduced, the browsing speed of internet users is improved, and calculating resources which are required by the gateway and clients are reduced.

The invention provides a method and a device for transmitting and acquiring uplink HARQ feedback information, wherein the method comprises the steps of acquiring a service priority sequence list of downlink subframes; according to the service priority sequence list, multiplexing the HARQ feedback information of the downlink subframes according to a sequence that the service priorities reduce from highest to lowest, and obtaining to-be-transmitted HARQ feedback information; successively assigning uplink subframes to the to-be-transmitted HARQ feedback information, and transmitting the to-be-transmitted HARQ feedback information to a base station. According to the method for transmitting the uplink HARQ feedback information, user equipment can preferably transmit the HARQ feedback information of the subframes with low time delay requirement. When the base station acquires a transmission error of time-delay-sensitive service data, the downlink subframes which carry the time-delay-sensitive service data can be preferably retransmitted, thereby shortening transmission time of the time-delay-sensitive service data.

The invention discloses a parking position guidance method based on a vehicle-mounted navigator. The vehicle-mounted navigator, a handheld point-of-sale (POS) machine, a parking position management system, a monitoring center and a variable information board are adopted in the method. A WiFi / 2G / 3G three-channel communication module is respectively configured in the navigator and the handheld POS machine; an on-street parking position administrator uploads dynamic parking position information to the monitoring center through the handheld POS machine, the parking position management system and an Ethernet; and a parking position guidance system provides parking position reservation and query service covering position-based on-street and off-street parking position information in an individual mode based on message board parking position information distribution of a group mode. A user can submit the parking position reservation to the monitoring center before outgoing or on the way and acquire a reservation result; the parking position query can be submitted by adopting the position determined by a global positioning system (GPS) of the vehicle-mounted navigator or the position selected from an electronic map; and parking position information using the position as a circle center and using 300 meters as a radius is displayed by the navigator, and the display domain can be adjusted through a key.

The invention is applicable to the field of IP cameras, and provides a low power consumption network camera system and a portable low power consumption IP camera. The low power consumption network camera system comprises an IPC (IP camera) main module, a WiFi module, a PIR (passive infrared) module and a power consumption control module that is connected with the IPC main module, the WiFi module and the PIR module separately; the power consumption control module is used for sending an outage control signal to the IPC main module to enter a lower power consumption state when the power consumption control module receives a job done notice from the IPC main module so as to enable the IPC main module to be in outage and closed; and when the power consumption control module receives a triggering signal sent from the WiFi module and / or the PIR module, the power consumption control module enters a normal work state and sends a power-on control signal to the IPC main module so as to enable the IPC main module to be powered on to run. According to the low power consumption network camera system and the portable low power consumption IP camera, due to the adoption of the power consumption control module, the consumption control module can perform comprehensive control on the power consumptions of the IPC main module, the WiFi module and the PIR module connected with the power consumption control module, so that the power consumption of the network camera system is greatly reduced, and the cruising ability of the IP camera powered by batteries is greatly improved.

The invention relates to a wireless device component and a communication method of the wireless device component. The wireless device component comprises a master wireless device and a slave wirelessdevice which can be in wireless communication with each other, and the master wireless device is configured to establish a wireless link with another device and transmit related parameters to the slave wireless device, so that the slave wireless device monitors and receives a wireless signal from the other device; Wherein the first wireless device is configured to send a correction packet to the second wireless device for correcting audio data in the audio data packet received by the second wireless device under the condition that the first wireless device correctly receives the audio data packet, and the form of the initial correction packet and / or the form of the subsequent correction packet can be adjusted according to the acquisition condition of the audio data packet by the second wireless device. According to the method and the device, the capacity of obtaining correct audio data is improved while the data transmission quantity between the devices is remarkably reduced, the powerconsumption and the data transmission time are reduced, the reliability of wireless transmission between the wireless devices and between the wireless devices and another device is improved, and theretransmission of the audio data packets by another device is reduced.

The invention discloses a method and a server for supplying a picture to a computing terminal. The method comprises the following steps: receiving a picture access request sent by the computing terminal, wherein the picture access request comprises to-be-accessed picture information and network type information of the computing terminal; determining whether to perform format conversion on the picture according to the network type information of the computing terminal; and when determining to perform format conversion on the picture, acquiring original picture data corresponding to the picture information in the picture access request, and converting the original picture data to picture data in a predetermined format according to a predetermined format conversion rule, wherein the byte number of the picture data in the predetermined format is smaller than the byte number of the original picture data; and sending the picture data in the predetermined format to the computing terminal. Thus, by adopting the method and the server for supplying the picture to the computing terminal, the problem that when a mobile terminal accesses the picture, as the data size is relatively large, the problems that the loading speed is slow and the consumed network flow is large are solved, and the mobile terminal can rapidly load the picture, and the flow consumption when the picture is accessed is reduced.

The invention discloses a method for realizing shared subscription based on an MQTT server cluster, and the method comprises the following steps: setting a shared subscription theme: setting shared subscription prefixes before standard theme definition, wherein the shared subscription prefixes comprise a queue shared subscription prefix and a packet shared subscription prefix; establishing an MQTTserver cluster based on an Erlang mnesia cluster technology, wherein the MQTT server cluster comprises an intelligent routing system based on an event-driven architecture, an mnesia distributed database, an ts routing table and map packet mapping; optimizing the structure of the MQTT server cluster based on the hierarchical architecture design; entering a shared subscription processing flow; andentering a message publishing process. According to the invention, through shared subscription, the same message cannot be sent to a plurality of subscribers, so that load balance among a plurality ofnodes of the subscription end is realized.

The invention discloses a data mining system for an AIS information source based on a big data platform. The data mining system comprises a data acquisition system, a data storage system, a data mining system and a data analysis system, wherein the data storage system is a distributed storage system, and the data mining system comprises the classified statistics of the data, the target motion characteristic analysis, the target density distribution analysis, the target track distribution analysis, the activity rule analysis and the abnormal behavior detection analysis. According to the data mining system, the tasks are mined through AIS data, such as the track mode mining, the track uncertainty, the abnormal value detection, the stay points and the classification. For example, the abnormalvalue detection can find an abnormal behavior ship, the classficiation helps to analye the joint features, such as navigation conditions, etc., of different types of ships, and the stay point detection can help to determine a hot spot port and laterally understand the import and export trade indexes of the port.

The invention discloses a data backup and recovery method, a data backup and recovery device and a server. The backup method comprises the following steps: acquiring an original differential bitmap of a first target roll from a production end by a backup server; acquiring effective data of each fixed-length data block from the first target roll according to the original differential bitmap; storing the bitmap corresponding to the fixed-length data block including the effective into a fixed-length roll bitmap file of the fixed-length data block according to the original differential bitmap, wherein the fixed-length roll bitmap file is used for identifying the storage address of the effective data; storing the effective data of the fixed-length data block into the fixed-length roll file of the fixed-length data block. According to the data backup and recovery method, the data backup and recovery device and the server, the data transmission quantity between the production end and the server is reduced, the transmission speed is increased, and the storage space is saved.

The invention relates to an address book sharing method and an address book sharing method system. The system comprises an address book managing module, an address book data bank, and an address book client, wherein the address book managing module is used for adding and deleting data management to address book data in the address book data bank; the address book data bank is used for saving the address book data which are led from the address book managing module, receiving requests sent by at least two clients, and further sending data to at least two address book clients according to the requests; and the address book client is used for sending synchronous requests to the address book data bank and receiving and saving the data transmitted by the address book data bank. The system and the method resolve the problem that a personal address book is shared among multiple terminals, and enables the address book of a user to keep synchronization between each intelligent terminal and a personal computer. When an address book is added and amended in certain equipment, other equipment updates automatically due to the fact that the address book has clouds.

The invention discloses a printer which comprises a scanner, a freight note memorizer, a freight note processor and a printer body. The scanner is suitable for scanning two-dimension codes corresponding to express delivery messages, and the express delivery messages are suitable for being obtained by a client side and transmitted to a freight note server. The freight note memorizer is suitable for storing one or more freight note templates. The freight note processor is suitable for having access to the freight note server according to the two-dimension codes, downloading the express delivery messages from the freight note server, and filling in the freight note templates with the express delivery messages to generate freight note messages. The printer body is suitable for printing the freight note messages. The invention further discloses a printing method and a printing system.

The present invention discloses a vehicle track statistic method based on Hadoop and monitoring video streams. The method involves a vehicle detection algorithm, a license plate recognition algorithm, distributed video processing and vehicle track statistics. According to the method of the invention, vehicle detection and positioning are performed on video frames on the basis of an improved tiny-yolo model; license plate regions are positioned from a positioned vehicle region on the basis of an HSV color model, an SVM classifier and a text positioning technology; license plate character recognition is performed through an improved LeNet-5 model; the processing algorithms of license plate detection and license plate recognition are compiled into a dynamic link library; the support of MapReduce for a video type format is expanded, and the Map interacts with the dynamic link library through a JNI interface, so that the distributed processing of the monitoring video streams can be realized; analysis results are summarized through three stages of Combiner, Partition and Reduce; and finally, the statistics of vehicle tracks and the storage of vehicle frames are realized. According to the method, the vehicle detection algorithm and license plate recognition algorithm have high adaptability to complex environments, and execution efficiency is higher through the interaction of the JNI interface and the MapReduce.

The invention discloses a data transmission method, data transmission user equipment and a data transmission system. The data transmission method comprises the following steps that: the user equipment accesses a server by a terminal control protocol (TCP) through a handshaking protocol and sets a TCP data transmission mode or a user datagram protocol (UDP) data transmission mode as a data transmission mode; and then the user equipment and the server transmit data in the specified data transmission mode, wherein during data transmission, the user equipment or the server determines whether to switch the data transmission mode adopted by the user equipment or the server or not according to the quality of the accessing channel.

The invention relates to a webpage?offline?browsing field, and particularly relates to an Internet content?encryption release method and a system. The method comprises steps of dividing an original file containing to-be-released content into a plurality of plaintext segments by a release server and generating control segments containing segment control information, carrying out encryption on each plaintext segment according to the control segment by the release server to generate ciphertext segments, packaging the control segment and each ciphertext segment by the release server to form a new file, releasing the new file to at least one downloading server for downloading by a client by the release server, downing the new file form the downloading server by the client, sending a decryption?request to the release server by the client, acquiring a corresponding decryption?password according to the decryption?request and sending the decryption?password to the client by the release server, and receiving the decryption?password by the client, using the decryption?password to carry out decryption?processing on each ciphertext segment and recombining each plaintext segment to generate an original file. According to the method and the system, network and server load when the file is released can be effectively reduced.

The invention discloses an intelligent burglary prevention monitoring system and an intelligent burglary prevention monitoring method for a high-voltage power transmission tower. The system comprises a video acquisition device, a lighting device, a central information processing and control device, a field warning device, a thief intrusion information sending device, a warning information receiving device and a high-voltage induction charging device. The method comprises the following steps of: after performing a series processing and analysis such as image preprocessing, image segmentation, target identification, thief judgment, background update and the like on an image acquired by the video acquisition device, judging whether a thief intrudes the perimeter of the high-voltage transmission tower by using the central information processing and control device; if the thief intrudes, controlling the field warning device to warn the thief on the scene; shooting a field image; and sending the shot field image together with the warning information to the warning information receiving device of related work staff through the intrusion information sending device, so that the related work staff can immediately take corresponding measure to prevent a theft situation from happening. Therefore, the labor intensity of the work staff is reduced and the work efficiency is improved.

The invention provides a data processing method based on a distributed storage system. The method comprises the following steps: defining a compressed configuration item that comprises at least a compression mode, off-line compression start time and off-line compression termination time; when to-be-processed data is written in, using a client or a server, or the client and the server to successively perform chain type compression processing on the to-be-processed data, and determining the time of the server intervening to perform the chain type compression processing only in the off-line compression mode according to the off-line compression start time and the off-line compression termination time; when the to-be-processed data is read, at least enabling the client to perform chain type decompression processing; after the chain type compression processing or the chain type decompression processing is performed, responding to an opposite end device through a network. After the data processing method based on the distributed storage system is used, the bandwidth utilization rate is increased, the memory space is saved, the data reconstruction speed is accelerated, and the data handling capacity of the distributed storage system is improved when a write operation or read operation is performed.

The invention provides an old people information service system based on a dual neural network behavior recognition model. The system comprises a cloud server and a smart old people bracelet. The cloud server is used for training the neural network behavior recognition model and is synchronized to the smart bracelet via cloud service, and the smart old people bracelet is used for acquiring posture and physiological data of old people, and realizing the functions of positioning, behavior recognition, health analysis, danger alarm and the like on the old people according to the acquired data. The system is small in data transmission volume, easy to realize, high in recognition speed and high in accuracy, and can provide high-quality health and safety information services for old people.

The invention provides a method and a device for accessing a page. The method includes the steps: transmitting a page access request to a web server by a user device; receiving page data information returned by the web server, and judging whether the page data information comprises an additive file of the page or not; acquiring an additive file of a local pre-stored page when the page data information only comprises a main structure file of the page; determining whole page information according to the main structure file and the pre-stored additive file of the page, and displaying the page. By the aid of the method and the device, network request frequency and data transmission quantity are decreased, page access is accelerated, further, a user can shorten waiting time for refreshing the page, and the browsing experience of the user is improved.