36results about How to "Flexible coding" patented technology

An embodiment of the invention provides an intra-frame coding and decoding method, a coder and a decoder. The intra-frame decoding method includes: acquiring the reference pixel value of a current image block; acquiring the predicted value of the first kind of pixels in the current image block according to the reference pixel value of the current image block in an intra-frame prediction algorithm, wherein the current image includes the first kind of pixels and the second kind of pixels, and the second kind of pixels include pixels except pixels of the first kind of pixels; acquiring the residual value of the first kind of pixels according to the predicted value and the original pixel value of the first kind of pixels; obtaining conversion coefficient according to the residual value of the first kind of pixels; acquiring the quantitative conversion coefficient through quantitative coefficient conversion; reconstructing the first kind of pixels according to the e quantitative conversion coefficient and the predicted value of the first kind of pixels to obtain the reconstruction value of the first kind of pixels; acquiring the reconstruction value of the second kind of pixels according to the reconstruction value of the first kind of pixels in an interpolation method. The intra-frame coding and decoding method, the coder and the decoder can code flexibly and improve the coding efficiency.

The invention relates to a disordered high capacity multiparty quantum key agreement method based on a high energy level bell state, which is designed for providing a more flexible and efficient quantum key sharing mode. The method provided by the invention comprises the following steps: dividing an initial bell state into two particle sequences Si, 1 and Si, 2, inserting a bait single photon sequence into the particle sequence Si, 2, forming a transmission sequence (represented as a formula in specification) and then sending the transmission sequence to the next user (represented as a formulain specification) to confirm security, and then performing d-dimension unitary operation for the particle sequence according to content of owned key sequence (represented as a formula in specification), inserting the bait single photon sequence in an operation result, sending the result to the next user (represented as a formula in specification), and repeating the steps above to perform security detection and message coding by the users (represented as a formula in specification). When the user Pi receives the particle sequence S1, 2 sent out by itself, after confirming security, the user Pi performs the d-dimension unitary operation for the particle sequence. The user Pi performs two qudit unitary operations for the finally recycled d-energy level bell state, and respectively performssingle particle measurement based on a base H and a base Z for a first particle and a second particle of the bell state.

The invention discloses a method for efficiently transmitting pulse data packets in a brain-like computer, which is based on a brain-like computer system, adopts a cluster to multicast the pulse datapackets, and performs data transmission in a connection mode taking a cluster as a unit. The brain-like computer system is designed to simulate real-time response of neurons in the brain, a multi-coresystem platform is used for simulating the mapping relation of the neurons in the spiking neural network, and the method can better adapt to the actual working conditions of the brain neurons. Besides, basic information and occupied bit size, including control bit information, stored in each part of the adopted cluster multicast pulse data packet are all set for nodes of the brain-like computer system. And finally, a set of coding scheme is completely provided, and how to realize coding based on the cluster multicast pulse data packet not only realizes flexible and variable pulse data packetcoding, but also reduces the number of routing entries in the routing table.

The invention relates to an area space multi-dimension grid encoding method and device. The method comprises the steps of encoding grids in all layers of a grid space; setting the largest number of the layers of the grid space and unit grids and determining an area grid space and grid codes in all layers of the area grid space; adopting an eight division method to obtain a model of the grid space,starting from the smallest grid unit, through aggregation of the different layers, a larger grid unit is formed, namely the area grid space, further, aiming at the east-west direction, the south-north direction and the vertical direction, a binary system method is applied for encoding, through sequence combination in combination with an identification code, a complement code and the like, a complete code is formed, the characteristics can be guaranteed that in the aggregation process, the sizes of the grids in all the layers are the same, layering can be flexible in the vertical direction, binary system characteristics of a computer are conformed to, the multiple dimensions on multiple meanings are achieved, and therefore the method and device can be conveniently applicable to various occasions when space position management and services are needed.

The purpose of the invention is to provide a method and device for providing a system information block type12 (SIB12) by an eNB. The method comprises: a provider device distributing an individual system information message to the SIB12 so as to obtain SIB12 scheduling information corresponding to the SIB12, the SIB12 scheduling information being included in a corresponding SIB1; performing coding processing on the SIB1 comprising the SIB12 scheduling information so as to obtain a coded SIB1; and sending the coded SIB1 and the system information message corresponding to the SIB12 to a terminal device corresponding to the eNB. Compared to the prior art, the SIB12 is individually packaged in the system information message so as to be sent to the terminal device so that the system information message for the SIB12 is simpler and can be individually processed without comprising other SIBs, thus the implementation mode of processing the SIB12 by the eNB is simplified, the coding and broadcasting of the system information message are more efficient, and the scheduling of the system information message is more flexible.

The invention discloses a multi-dimensional information system of a mobile terminal. The multi-dimensional information system comprises a terminal client side, a geographic information system module, systematic service logic, a data base, a management module, and the like. The multi-dimensional information system obtains position data, time, user identity and other dimensions as dimensional parameters, and requires for systematic remote data service in a cloud serving mode. The system analyzes the dimensional parameters in request message and generates the message into multi-dimensional data sets of an enquiry system terminal of a dynamic multi-dimensional inquiry script and judges whether data synchronism is triggered according to synchronous strategies of user data and changes of dimensions of the terminal. Meanwhile, the user also can start forcing data synchrony. According to the multi-dimensional information system, the mobile terminal is interactively with a server terminal in a cloud-serving mode to trigger automatic synchrony of data related to the user, and a dynamic information service which is convenient and can be obtained automatically and based on position and other dimensions is provided to the user.

The invention discloses a hybrid retransmission method based on semantic coding. The method comprises the following steps: a main semantic codec and a plurality of incremental redundant semantic codec are trained for content to be transmitted; for a first type hybrid retransmission method, only one main semantic codec is used for replacing an original information source channel for coding and decoding, a sending end performs semantic coding and CRC check coding on an information source and sends the information source, a receiving end performs decoding and CRC check, and if errors exist, code words are discarded, and the sending end is notified to retransmit the same code words; for a second type hybrid retransmission method, the receiving end does not discard error code words after finding errors, the sending end is notified to continue to use an incremental redundancy semantic encoder to encode an information source and send the information source, and the receiving end combines all the received code words every time, uses the corresponding incremental redundancy semantic decoder to complete decoding and carries out CRC check. Compared with a hybrid retransmission method based on traditional forward coding, the invention has the advantages that the sending code length is greatly reduced, and the decoding performance of a hybrid retransmission mechanism in a long-term severe channel environment is improved.

The invention discloses two coding methods. One coding method comprises the steps of: performing a first prediction of a current image to be coded to obtain a first residual image and a first motion vector; and performing a second prediction to the first residual image to obtain a second residual image and a second motion vector and writing the second residual image, the second motion vector and the first motion vector into a compression code flow or into compression code flow after entropy coding. The invention also discloses two decoding methods, two coders, two decoders, a coding method, a coder-decoder, a method and a device for finding optimally matched modules from a plurality of multilook images. The technical proposal of the invention can eliminate the relevance of residual images.

The method involves encoding the image content signal (S) for respective digitized images (I). The reconstructed images (RI) are produced by reconstructing the uncoded image content signal. The filtering of reconstructed images is performed so that respective reconstructed image is divided into partitions and one or more filter parameters (FP) are defined for each partition. Some of the partitions are described by one or more parameters of function which is the curve of pixels within preset image area for describing the course of pixels. Independent claims are included for the following: (1) codec; (2) method for decoding a sequence of digitized images; (3) device for decoding a sequence of digitized images; and (4) device for coding a sequence of digitized images.

The invention relates to the field of file storage processing technology, in particular to a mixed file storage method. According to the method, corresponding file systems are installed according to the actual conditions of application systems; then a suitable file system is automatically selected for storage service according to the sizes of storage files through a file storage and debugging class; and when the suitable application system needs to increase more file storage types, the file debugging class is adjusted, and then new file storage service can be realized. Through the method, storage of the files with different sizes in the application systems is realized; and the method can be applied to file storage of all the application systems.

The invention relates to an intelligent enterprise data construction method, which is characterized in that through mutual cooperation of a data integration module, a data processing module, a data synchronization module and a data asset center, operation is carried out in a calculation and data architecture level on the basis of storage integration, and unified management of various data sources is carried out through a one-key access mode. A database or schema which needs to be accessed is specified, unstructured and semi-structured data are uploaded, a uniform access interface channel is opened for a downstream data processing flow, FTP data source acquisition is performed, data expansion and maintenance are performed, and on the basis of storage integration, calculation engine switching of different scenes is supported ecologically through a hadoop ecological technology, so that the calculation efficiency is improved. And carrying out real-time query and offline query. Therefore, a mainstream heterogeneous data source can be connected, a unified data acquisition mode and synchronous management are implemented, smooth transition between off-line data and real-time data is realized, and data reliability and abnormal complement are ensured.

A wireless audio system is provided that includes a transmitter that uses multiple antenna diversity techniques for different signal types. The multipath performance can be optimized, and the spectral efficiency of the system can be improved.

The invention discloses a special coding machine for cables. The special coding machine for the cables comprises a movable coding moving box and a handheld terminal used for controlling the coding moving box; the coding moving box comprises a box body with an opened bottom; a top plate of the box body is provided with a top cover capable of being opened; and the box body is internally provided with a control module, a drive transmission device, an image positioning device and a code spraying device. By adopting the special coding machine for the cables, flexible receiving and releasing of thecoding moving box are realized, and manual flexible code spraying is realized as for space and position limited places; and the coding moving box adopts remote control intelligent control, timely reports obstacle types when encountering various obstacles in the construction site and can timely change a position to cross the coding obstacles for next dynamic coding as before, so that flexible adaptation to the construction site is realized, and the space limitation of cable coding is broken.

The invention provides a drug molecule screening method and system, and belongs to the technical field of biological information processing, and the method comprises the steps: obtaining to-be-screened drug molecules; obtaining a molecular orientation information descriptor based on the molecular formula of the drug molecule; wherein the molecular orientation information descriptor is composed of a plurality of one-dimensional vectors representing molecular bond characteristics of the drug molecules; and processing the molecular orientation information descriptor by using a pre-trained classification model to obtain a molecular property classification result. According to the method, molecules can be flexibly coded, cyclic collection of molecular information is avoided, and the accuracy of molecular description is improved; a convolutional neural network is combined with a self-attention module to process molecular descriptors, more and more comprehensive molecular information features are extracted, and the model classification capability is improved.