97results about How to "Simplify the coding process" patented technology

The invention provides a method for developing model-driven software capable of dynamically changing system behavior. The method is characterized in that the traditional development mode is changed; the direct operation of a model is realized; an operation system of a business object can be obtained by just using a metadata system to describe the model of the business object, without the need of the programmer encoding, so that the manner of programming codes by the programmer is changed, the substitute is that the business rules and relevant logics are edited by business experts of various industries in a graphic interface manner, and the new functions automatically become effective under the condition that the business is not interrupted.

A method for facilitating trick plays includes receiving a request to change a display mode of a certain media stream; fetching a media stream associated data structure associated with the certain media stream; and processing the media stream associated data structure and in response providing a media stream that complies with the requested display mode. The media stream associated data structure may include pointers to independently decodable frames of the certain media stream, and the provision of the changed mode media stream includes transmitting at least some of said independently decodable frames, optionally with duplicating frames, having their timing information adjusted.

A programming editor and creator allows users with minimal knowledge of a computer language syntax to generate computer source code using a structured rather than freeform process. A predefined command sentence is provided representing at least a portion of a programming command, and includes words, which may be defined as constant or enterable words. Enterable words may be required or optional, and correspond to entry components. Each word may be defined according to word types, including list words, variable list words, variable words, mathematical words, condition words or Boolean words. Enterable words may include repeatable words which may be inserted multiple times within a command to create conditional statements, mathematical equations and string concatenations. Input values are provided for the entry components. The predefined command sentence with the input values is converted to a completed command sentence corresponding to the programming command, which is translated to a target programming language.

A full-rate distributed type multi-antenna bi-directional wireless cooperative relay transmission method is suitable for a universal bi-directional relay communication network, wherein two communication source nodes and all relay nodes of the universal bi-directional relay communication network are respectively provided with a plurality of antennas. Information transmission between the nodes is carried out in an orthogonal frequency division multiplexing mode. A data communication process comprises two stages, wherein firstly, the communication source nodes conduct joint encoding on symbols to be transmitted in all sub-carriers and a plurality of time slots respectively and broadcast the encoded symbols to the relay nodes; secondly, each relay node conducts circular delay on received modulating signals in a time domain firstly, then the antennas on each relay node transmit processed signals to the communication source nodes sequentially in a time division working mode, and according to encoding and transmitting criterions, one source node obtains data transmitted by the other source node after eliminating signal interference of the former source node. The full-rate distributed type multi-antenna bi-directional wireless cooperative relay transmission method has the advantages that the expansibility is good, an encoding process is simple and easy to design, full-rate transmission can be achieved, the detection complexity is low, and very high application value is achieved.

The invention provides a coding-and-decoding device and related coder, wherein the code device is provided with a nonzero amplitude value coder, and the decoding device is equipped with a nonzero amplitude value decoder. After the code device completes encoding of zero significant bits, the nonzero amplitude value coder scans current block according to a predetermined manner, when scanning to nonzero significant bits, the nonzero amplitude value coder conducts encoding of the nonzero significant bits and continues the scanning-encoding process until scanning of the current block is completed; after the decoding device completes decoding of zero significant bits, the nonzero amplitude value decoder conducts decoding of nonzero significant bits according to the encoded mode of the nonzero amplitude value coder. The invention greatly reduces condition judging operations, comparison operations, arithmetical calculations, Boolean calculations and internal memory reading operations, and simplifies the coding-and-decoding process of significant bits; thereby the invention increases coding-and-decoding speed and decreases encoding code rate.

The invention discloses methods of video encoding and methods of video decoding. One of the methods of video encoding includes: obtaining intra-frame encoded frames in to-be-encoded image frames; comparing the obtained intra-frame encoded frames with reference images in a preset reference image library, and determining difference frames and identification information thereof; determining residualvalues according to the intra-frame encoded frames and the difference frames; encoding the residual values; and outputting residual values after encoding and the identification information of the difference frames. Through using the above method, further simplification processing on the intra-frame encoded frames and compression ratio improvement in a limited video application scene can be realized; and the problems of increasing complexity of video encoding processes and introducing other additional drawbacks due to optimization manners of multiple encoding, repeated compression, encoding parameter setting optimization or the like used for improving video compression technology can be solved.

An encoding device includes: a color-difference signal encoding unit for encoding a color-difference signal for each processing block in multiple color-difference signal encoding modes to generate multiple color-difference signal bit streams; a color-difference mode selecting unit for selecting a color-difference signal encoding mode from the multiple color-difference signal encoding modes; a luminance signal encoding unit for calculating luminance target code amount by subtracting the code amount of the encoded color-difference signal bit stream from fixed code amount, and encoding a luminance signal to generate a luminance signal bit stream; a color-difference reselecting unit for selecting the color-difference signal encoding mode corresponding to the color-difference signal bit stream having the code amount not greater than the fixed code amount, and small deterioration as to the color-difference signal; and a multiplexing unit for multiplexing the luminance signal bit stream, and the encoded color-difference signal bit stream to generate a bit stream.

The invention discloses a device for realizing a low-density parity check code, which comprises a memory module used for storing digit sequences, a check-matrix generating module used for constructing a parity check matrix of LDPC codes by adopting a cyclic shift mode according to the digit sequences, and a code word generating module which transforms the input data into LDPC code words by the parity check matrix. The adoption of the device of the invention can reduce the storage space needed for storing the parity check matrix.

The disclosed realization method for LDPC comprises: A. according to preset code length, code rate and row weight, setting digital sequence for parity check matrix; B. circular shifting to construct the matrix for LDPC; and C. converting input data into LDPC by the matrix. This invention can reduce storage room.

A communication method and a communication system including a first entity (3) including an information source (9) and a coder device (11) connected by a channel (7) transmitting data to a second entity (5) including a decoder device (13), the coder device (11) coding a data sequence sent by the information source (9) to form a set of code words from a parity check matrix including two matrix areas, each matrix area including a processing matrix, a connecting matrix including only one “1” per column and only one “1” per row, and a triangular matrix, and the decoder device (13) decoding a coded reception signal that is received by the second entity and is derived from the set of code words constructed in accordance with said parity check matrix.

The invention provides a hybrid genetic algorithm for solving a multi-objective flexible job-shop scheduling problem. The algorithm takes three objectives of the completion time, the production cost and the equipment utilization rate in flexible job-shop scheduling into consideration, and aims at the circumstances that algorithms at present are difficult in decoding and long in computation time because of possession of a complicated coding method and that the genetic algorithm is faced with problems of global near optimum and insufficient search capability in local search. In allusion to the problems, the invention provides a new matrix chromosome coding method which almost does not need to perform decoding. In addition, the algorithm provided by the invention combines the global search capability and local search of the genetic algorithm, the search capability of the algorithm is enhanced, and a feasible solution is found more easily. The hybrid algorithm is high in practicability, and can be well applied to flexible job-shop scheduling.

The invention discloses a spectral reconstruction method based on frequency domain coding. The method comprises the following steps: firstly, a spectral imaging system collects spectral information ofa scene by using a mask, and the mask modulates the spectral dimension and the spatial dimension of the scene image; then the modulated image is obtained by projecting the spectral information onto abroadband substrate to modulate the spectral change, and the modulated image is mapped to a Fourier domain for multiplexing. Finally, the encoded images compressed in spectrum and space are collectedby the sensor, and the spectral information is reconstructed by decoding the spectral dimension. The method of the invention not only can improve the spatial resolution, but also simplifies the spectral encoding and decoding process in the process of collecting and reconstructing data, avoids the complex calculation load, and realizes the high-precision capture of the high-spectral data in a short time.

A digital signal processor (DSP) hardware implementation method of Luby transform (LT) encoding and decoding algorithm comprises an asynchronous serial communication transceiver, a transmission measuring set (TMS) 320 VC 5416 chip, a FIASH chip, a power supply regulator chip and a LT encoder and decoder. The method includes that the asynchronous serial communication transceiver is utilized for achieving asynchronous data transmission, the power supply regulator chip is used for supplying power for the TMS 320 VC5416 chip, the FIASH chip is used for preserving encoding and decoding program segments, the LT decoder decodes encoding signals after receiving the encoding signals from the asynchronous serial communication transceiver, and the LT decoder sends feedback information to the LT encoder through communication channels in the decoding process; so that the work of the LT encoder is controlled, and the LT encoding and decoding algorithm is conveniently achieved, besides, the DSP hardware implementation method of the LT encoding and decoding algorithm improves the efficiency of algorithm, and fully reduces the memory use amount on the DSP chip.

A connection member and a lead terminal seat structure with the connection member including a terminal seat and a connection member. The connection member has a first edge and a second edge, which are formed with alternately arranged depression sections and protrusion sections. The terminal seat has a recess formed with ridge sections and through sections in adjacency to the ridge sections. The ridge sections and the through sections are arranged corresponding to the depression sections and protrusion sections of the connection member with the connection member received in the recess of the terminal seat with the depression sections and the protrusion sections insert-connected with the ridge sections and the through sections.

The embodiment of the invention discloses a compressed sensing imaging method, apparatus, device and system and a storage medium. The method employs an image compression coding device configured to perform compression, coding and sampling of a target image, a sampling controller and an image reconstruction calculator. The image compression coding device comprises a one-dimensional coding aperturetemplate and a linear array image detector, and the one-dimensional coding aperture template corresponds to the linear array image detector; the sampling controller controls drive of the one-dimensional coding aperture template and the linear array image detector to perform coding sampling and sends the obtained sampling data to the image reconstruction calculator; and the image reconstruction calculator is configured to perform single iteration of the reconstructed integrated sparse coefficient matrix through adoption of each dimensions of data based on the sampling data to obtain a recoveredtarget image. The compressed sensing imaging method, apparatus, device and system and the storage medium simplify the coding process, reduce the cost, eliminate the blocking effect of the block compression sensing system, obviously improve the image quality and achieve higher imaging quality with a lower hardware cost.

The invention discloses an Internet-of-vehicle long distance data communication relay agent method based on a fountain code. The method comprises steps that S1, the fountain code is utilized by a sending end vehicle node to code sending-needing data; S2, a fountain code message is forwarded by a relay node, and a road side unit (RSU) is taken as an agent for fountain coding; S3, foundation coding of the message after successful coding is carried out for another time by an agent node; and S4, a foundation coding message is received by a reception end vehicle node, and foundation coding is further carried out. The method is advantaged in that the coding process is simplified, a coding success rate is further improved, expected forwarding frequency of data transmission is further improved, and data transmission efficiency is improved.

The invention relates to the technical field of spatial information, particularly relates to a coding method and device for a layered grid and is used for optimizing the problem that the spatial dataprocessing is complex in the prior art. The method comprises the steps of establishing first-layer grid points which comprise a central grid point and six vertexes; selecting three nth-layer vertexesby taking a current grid point as a center; obtaining a hexagonal grid point quadtree HLQT layered structure based on nth-layer grid points, wherein, the current grid point and the nth-layer vertex together form the nth-layer grid point; and establishing grid units in one-to-one correspondence with the nth-layer grid points, forming a hexagonal grid structure and coding the nth-layer grid points.According to the technical scheme provided by the invention, coding and operation processes of the grid units are simplified; the good spatial data presentation can be realized; the relatively high spatial connection and spatial expansibility are achieved; each grid code and each grid unit are in one-to-one correspondence; and an incomplete grid unit is avoided in a recursive subdivision process,so the spatial data processing complexity is reduced.

The invention relates to a Kalman filtering-based method for signal reconstruction in complex environments and solves the problems of high computation complexity and low efficiency in the prior art. The method comprises the steps of performing quick compression on signals, designing a sparse measurement matrix and obtaining measurement values through compression measurement in a complex environment; establishing a prior model of the signals, inputting the sparse rate of a signal and establishing the prior model of the signal; performing a belief propagation calculation on a bipartite graph; obtaining initial values of signal estimation by using approximate MMSE estimation; obtaining signal estimation values by using Kalman filtering. The simple sparse measurement matrix is used and the storage of the measurement matrix is simplified; during signal reconstruction, the bipartite graph and the Kalman filtering-based signal estimation method are used, so that a coding processing of compressive sensing is simplified and the reconstruction precision is improved.

The invention, aiming at the problems of complex flow, more equipment investment, high running cost and the like in the process of bank clearing among banks at present, provides a novel method for combining with the modern network technique and sufficiently excavating the potential of a bill sorter, which can improve the bill clearing efficiency among the banks. The method and the sorting equipment improve the processing efficiency of settling clearing services for the People Bank, simplify the overall settlement process, and are easy to be popularized and applied.

The embodiment of the invention provides a video coding method and device, electronic equipment and a readable storage medium, and belongs to the technical field of video coding. The video encoding method comprises the following steps: acquiring first encoding information for encoding a target video by a first encoder, wherein the first encoding information comprises one or more of division depthinformation, prediction mode information or motion vector information; determining second encoding information for encoding the target video by a second encoder, wherein the second coding informationis determined based on the first coding information; encoding the target video based on the second encoding information Thus, the calculation process of the coding information similar to the first coding information in the second coding information can be reduced by utilizing the calculation process of the first coding information, so that the calculation time of the second coder is reduced, the calculation amount in the coding process is reduced, and the video coding efficiency is improved.

A transmitter in a multiple input multiple output (MIMO) communication system is provided. The transmitter includes a multiplexer for multiplexing an input bit stream into a plurality of bit streams, and outputting the bit streams in parallel; a bit-order rearranger for reordering bits constituting the bit streams, which are output from the multiplexer in the same time period, and outputting the reordered bits as reordered bit streams; and a modulator for modulating the parallel reordered bit streams output from the bit-order rearranger according to their associated modulation schemes, and transmitting the modulated symbols via their associated antennas.