71results about How to "Reduce the number of bytes" patented technology

The invention relates to a three-dimensional model retrieval method based on multi-feature relevance feedback, comprising the following steps: a server processes each three-dimensional model in a three-dimensional model database to obtain color view arrays; three-dimensional model features are acquired and synthesized to generate a feature database; features of a two-dimensional sketch offered by a computer client are calculated and matched with feathers in the feature database, the distance between the two-dimensional sketch and each three-dimensional model is calculated, the three-dimensional models as a retrieval result are sorted and outputted according to the distance values; the client labels each retrieval result with 'relevance' or 'irrelevance', returns labeled three-dimensional model information to the server, the server learns the information, classifies the three-dimensional database by SVM fusion method, sorts and outputs the three-dimensional models as a retrieval result; the above steps are repeated until a satisfactory three-dimensional model retrieval result is outputted to a user.

The invention discloses a method for storing real-time data, which comprises the following steps: the data of a storage sensor is collected by a collector in real time; the summary information of a main index is accessed, checked and compared; the latest indicator of the main index content is extracted; the latest storage indicator of the data is accessed; data content and a check code are stored; new index content and the check code are calculated; the main index content and the check code are stored; main index summary is updated and stored; backup index content and the check code are stored; backup index summary is stored; the backup index summary is accessed and then checked and compared; the latest indicator of the backup index is acquired; the latest storage indicator of the data content is accessed; and storage information is reestablished. Double indexes and multiple checks are adopted for protecting the data in a storage unit, thus guaranteeing the complete content of the data stored in the collector. Cycling coverage is adopted for realizing the continuous storage of data content under fixed storage capacity, improving the reliability and completeness of important parameter record during the industrial process and promoting the operation efficiency of process monitoring and work safety.

The invention discloses a capability acquisition method for a multimode terminal. The method comprises the following steps that a base station transmits a first terminal capability request to the multimode terminal according to the type of a current system to acquire the current system capability of the multimode terminal after receiving an attachment request sent by the multimode terminal; and the base station processes initial attachment initiated by the multimode terminal according to the system capability. According to the method, the multimode terminal can only report the capability of the multimode terminal for the current system in an initial attachment process, so that the number of bytes of a multimode terminal capability reporting message is reduced, the multimode terminal capability reporting message transmission failure rate and retransmission times in the initial attachment process are reduced, and the access time delay of the multimode terminal is further shortened.

The invention relates to a log compression method and device. The method comprises the following steps: obtaining a file which comprises log records; traversing the file according to a log record output priority, and replacing a character string of each log record in the file by a unique number so as to obtain replaced log records; and encoding the replaced log records at a same time frame through a same timestamp so as to obtain compressed logs. According to the log compression method and device, the file which comprises the log records is traversed by utilizing the log record output priority, and the character string of each log record in the file is replaced by the unique number, so that the number of bytes occupied by the character strings is decreased, and the log compression ratio is enhanced; and meanwhile, the log records after the character string replacement are encoded at the same time frame through the same timestamp, so that the proportion of the timestamp information of the log records in the log content is effectively reduced, and the log compression ratio and compression efficiency are furthermore improved.

The present invention discloses a data compression recording method. The method comprises acquiring data in real time, and completely recording the first acquired data, wherein the first data comprise a time value and a floating point value; for i-th data, calculating a first difference value between a floating point value of the i-th data and the floating point value of the last completely recorded data, and calculating a second difference value between a time value of the i-th data and the time value of the last completely recorded data, the initial value of i being 2; and if the first difference value and the second difference value both satisfy preset conditions, recording the first difference value and the second difference value to complete a simple record of the i-th data. The present invention also discloses a data compression recording apparatus, so that the storage space required by the data can be effectively reduced when data integrity is ensured.

The invention provides a method for remotely managing equipment parameters. The method comprises the following steps that: a control end remotely modifies configuration parameters of an equipment end, and transmits JSON (JavaScript Object Notation) format configuration data to a server in an http protocol way; the server notifies equipment in a pushing way, and the equipment end acquires the JSON format configuration data from the server in the http protocol way, compares a difference between the acquired configuration data and a configuration parameter state of the equipment end, modifies the configuration data, and applies the modified configuration data to the equipment end; and a configuration execution state report is reported to the server in the http protocol way, and the server informs the control end of a current configuration execution state in a pushing way. Through adoption of the method, bandwidth consumption in a network interaction process is saved, and the interaction efficiency is increased.

The invention provides a coding method of a flow indicator diagram and beacon frames and relates to the field of communication. The coding method of the flow indicator diagram and the beacon frames enable users to know whether data are stored in access points or not, or enable user terminals to know whether to access channels or not, and enables number of bytes occupied by the flow indicator diagram in the beacon frames to be reduced. The coding method of the flow indicator diagram includes the steps: controlling segmentation bitmap display fields in a sub-bitmap to display or not through at least one bit in flag bitmap control fields, wherein a segmentation sub-bitmap in the sub-bitmap is used for enabling the user terminals to know whether the data are stored in the access points or not, or enabling the user terminals to know whether to access the channels or not.

The invention discloses an optimization method for a terminal to receive a mail; the optimization method for the terminal to receive the mail comprises the following steps: currently whether a presetcondition is met or not is detected when the terminal receives the mail; if yes, a server inquires whether the mail which is not received exists or not; when the mail which is not received exists, themail header information of the mail is obtained from the server; the mail is subjected to priority division based on the mail header information, wherein the divided priorities comprise a plurality of levels; and the mail content of the mail is obtained according to the receiving strategies corresponding to each level. The invention further discloses a mobile terminal and a computer readable storage medium. According to the optimization method for terminal to receive mail, the mobile terminal and the readable storage medium, the power consumption of the terminal in the process of using the e-mail can be reduced, and the cruising ability of the terminal is further improved.

The embodiment of the invention relates to the technical field of block chains, in particular to a transaction method and device based on a UTXO model, and is used for saving network resources occupied by transaction data. The method comprises the steps of determining that a transaction comprises N unspent transaction outputs, wherein N is greater than 0; creating data of the transaction; whereinthe data of the transaction comprises a transaction identifier; wherein the verification array comprises verification information of unspent transaction output, the transaction input and/or the transaction output comprises a verification index of the unspent transaction output, and the verification index marks the position of the verification information of the unspent transaction output in the verification array; and broadcasting the data of the transaction.

The embodiment of the invention discloses a method for transmitting a multistation control frame, an access point, and a system. The method comprises the steps: transmitting the multistation control frame to multiple stations, wherein when the multistation control frame is a request frame, the request frame is used for requesting each station for transmitting a first response frame corresponding to the multistation control frame; receiving first response frames which are transmitted by all stations and are corresponding to the multistation control frame; or enabling a second response frame tobe used for responding to a data frame, a management frame or a control frame transmitted by multiple stations when the multistation control frame is the second response frame. The multistation control frame comprises a conventional lead code field and a new lead code field. The new lead code field comprises a first signaling field and a second signaling field. The multistation control frame, compared with an 802.11ax multistation control frame, greatly reduces the occupied bytes. Therefore, the method can reduce the time in occupying a channel in a transmission process of the multistation control frame.

The invention provides a file format conversion method applied to magnitude comparison. The method comprises the following steps: analyzing a webpage file, extracting key first data from the webpage file, and grouping the key first data; cleaning the grouped first data, and extracting more concise second data; storing the extracted second data into a file of which the memory amount is smaller thanan original value and which can visually observe the data; and performing batch storage processing on the files for magnitude comparison. The whole process of the method provided by the invention hasthe advantages of rapidness and high efficiency, and the technical problem that files in an original webpage form cannot be directly displayed in a csv format in the prior art is solved. The technical effect of format conversion for rapidly processing a large number of data files is achieved.

The invention discloses an MIMO (Multiple Input Multiple Output) codebook indicator feedback method and a corresponding device, which belong to the communication field. The method comprises the following steps: obtaining a first codebook indicator and a second codebook indicator; and feeding back both if the number of the transmission layers is less than or equal to that of pre-arranged layers, otherwise, feeding back only the first codebook indicator. The device comprises an acquisition module and a feedback module. According to the invention, only the first codebook indicator is fed back, if the number of the transmission layers is larger than that of the pre-arranged layers, so that the byte numbers for feeding back the second codebook indicator are saved, which allows the byte numbers for feeding back the codebook indicators to be greatly reduced under the condition that the number of the transmission layers is larger than that of the pre-arranged layers, and the feedback quality is improved at effectively reduced feedback expense.

The invention discloses a method for declaring an enabled virtual local area network (VLAN) and equipment thereof. The method comprises the following steps that: routing bridge (RB) equipment determines a quantity of continuous enabled VLANs in the enabled VLANs according to configuration of the enabled VLAN of the routing bridge equipment; when the quantity of the continuous enabled VLANs in the enabled VLANs is larger than a threshold, the RB equipment uses a first packaging format to package and declare an information unit of the enabled VLANs so as to declare the continuous enabled VLANs, wherein using the first packaging format to package the information unit means that an initial VLAN ID and a terminated VLAN ID of the continuous enabled VLANs in the information unit are marked; the RB equipment sends a Hello message carrying the information unit. In the invention, numbers of bytes occupied by the information unit which is used to declare the enabled VLANs are reduced. Therefore, the numbers of the bytes of the Hello message are reduced so that a purpose of saving network resources can be reached.

The invention relates to a federal learning data processing system based on gradient compression, which comprises a server, M clients, a processor and a memory in which a computer program is stored, wherein the server stores a first database and a second database. The field of the first database comprises a client id and the round of the last participation of the client in federal aggregation, the field of the second database comprises the round of federal aggregation and a global model corresponding to the round, and the first database and the second database are both dynamically updated along with training of a federal aggregation model. According to the invention, the number of bytes transmitted between the server and the client is reduced, so that the time consumed by communication between the server and the client is reduced, and the efficiency of federal aggregation model training is improved.

The present invention discloses an all-in-one machine through combination of HMI and PLC functions and a communication method thereof. The all-in-one machine comprises a PLC module, an HMI module, a first SPI interface and a second SPI interface. The first SPI interface is connected with the PLC module and the HMI module, and the second SPI interface is connected with the HMI module and the PLC module. The method comprises the steps of: initiating communication from a first host, and transmitting communication data to a first slave through the first SPI interface; initiating communication froma second host, and transmitting communication data to a second slave through the second SPI interface, wherein the communication data meets an ModBus protocol and does not comprise function codes andslave station numbers. The two SPI interfaces are provided at the aspect of hardware to achieve two-way transmission of the data with no need for differentiating 'reading' or 'writing-in', and the data transmission efficiency can be doubled; and moreover, optimized data frames are employed at the aspect of software to reduce the number of bytes in the transmission of the data frames so as to improve the communication rate and totally achieve the purpose of improving the communication efficiency of the all-in-one machine through combination of the HMI and the PLC.

The invention discloses a data processing method. The data processing method comprises the following steps: acquiring significant digits of data in various channels of various levels of a data model;determining fixed-point levels of the various channels on the basis of the significant digits; and carrying out fixed-point on data in the channels according to the fixed-point levels of the various channels to obtain first fixed-point data. The invention further discloses a data processing device and a computer readable storage medium. The fixed-point level of the various channels is determined according to the significant digits, fixed-point of different levels can be adopted by the different channels, the bytes of data are reduced, storage space is expanded, and thus, model operation rate is improved.

The invention proposes a gray-scale image applicable neural network learning method and a training method, comprising: preprocessing a gray-scale image as a second matrix; generating a binarized random coding matrix and then multiplying the second matrix as a fourth matrix; activating the function adjustment as a sixth matrix; establishing a binarized seventh matrix and an eighth matrix of floating point numbers; timing the seventh matrix by the fourth matrix as a ninth matrix; obtaining a tenth matrix representing the characters; subtracting the tenth matrix from the ninth matrix as an eleventh matrix; using the transpose matrix of the sixth matrix as a twelfth matrix; timing the sixth matrix by the twelfth matrix for a process parameter; dividing the twelfth matrix by the process parameter as a thirteenth matrix; timing the eleventh matrix by the thirteenth matrix as the fourteenth matrix; adding the fourteenth matrix to the eighth matrix to obtain a fifteenth matrix served as a new eighth matrix; and binarizing the fifteenth matrix as a new seventh matrix. According to the invention, the quantity of bytes in the matrix computation is reduced, the computation speed is increased and the hardware demand is lowered.

An application method of a dynamic information database in a distribution automation system comprises the following steps: a history database is configured, a history database service program is started, external database management and data inquiry services are provided by the history database, a Client is connected with the historical database service program, the history database is managed by the client, history data is written by the client, the history data is compressed, optimized and stored through the historical database service program, the history data is read by the Client according to time conditions, and the history data is inquired and returned through an optimized query algorithm by the historical database service program. According to the time characteristics of the stored data, lossless compression or pretreatment compression is carried out to the data, and optimized storage and access strategies are adopted to obviously improve the efficiency of the distribution automation system.

The invention discloses a RF 433 M frequency band remote wireless ad hoc network and a data transmission method. The RF 433 M frequency band remote wireless ad hoc network comprises a linear network constructed by a successive cascade of several communication nodes. The communication nodes comprise a RF 433 M remote wireless radio frequency transceiver, and the RF 433 M remote wireless radio frequency transceiver is connected with a power management module and a STM 32 core processing unit. The RF 433 M frequency band remote wireless ad hoc network and the data transmission method have the advantages that the infinite extension problem of the linear wireless network is solved, and an operation in a linear wireless transmission is high in efficiency, time-saving, and low in power dissipation.