35results about How to "The decoding process is simple" patented technology

Methods and apparatus are disclosed herein for encoding human readable text conveying a non-genetic message into nucleic acid sequences with a substantially reduced probability of biological impact and decoding such text from nucleic acid sequences. In one embodiment, each symbol of a symbol set of human readable symbols uniquely maps to a respective codon identifier. Mapping may ensure that each symbol will not map to a codon identifier that generates an amino acid residue which has a single-letter abbreviation that is the equivalent to the respective symbol. Synthetic nucleic acid sequences comprising such human readable text, and recombinant or synthetic cells comprising such sequences are provided, as well as methods of identifying cells, organisms, or samples containing such sequences.

A moving picture reproducing device includes a compressed data buffer, a display size obtaining unit, a resolution selecting unit, four kinds of resolution decoding units, and a frame data buffer. Compressed moving picture is received by the compressed data buffer and decoded in one of the four kinds of resolution decoding units. The display size obtaining unit obtains a display size of the decoded moving picture when the image is displayed on a display device. The resolution selecting unit selects one resolution decoding unit from the four kinds of resolution decoding units, according to the display size obtained by the display size obtaining unit. When the moving picture is reduced and displayed on the display device, it is not required to decode the moving picture in an original resolution. The moving picture reproducing device decodes the compressed moving picture in a necessary and the minimum resolution.

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.

The present invention restricts a method of assigning unit identification numbers when parameter sets are arranged in a stream. This makes it possible to simplify a decode process and to increase the speed of the process. In a stream containing a plurality of picture units, a plurality of picture parameter units, and a plurality of system parameter units, the units being arranged in the direction of time series, if a plurality of units have the same parameter set contents, the same unit identification number is assigned to the units. If the parameter set contents of the unit referenced by the preceding unit are different from those of the unit referenced by the next current unit, the unit referenced by the current unit is provided with a unit identification number different from that for the preceding unit.

A method and apparatus for decoding inner and / or outer codes in a mobile communication system. The inner and / or outer codes are decoded at low power and high speed. An inner decoder performs channel decoding and cyclic redundancy checking (CRC) on symbols received through a wireless network. An outer decoder performs outer coding on the received symbols. An erasure symbol identifier outputs information of erasure symbols in which a reception error has occurred. The reception error is determined from a result of the CRC on the received symbols. A controller counts the number of received symbols and the number of erasure symbols, and stops an operation of at least one of the inner and outer decoders when at least one of the number of received symbols and the number of erasure symbols is equal to a preset reference value.

Techniques for encoding N-binary symbol (NB) source data vectors into M-binary symbol (MB) encoded vectors, M>N>0, are provided. Techniques for decoding are also provided. Exemplary coding and decoding apparatuses are presented, as is an exemplary 8B / 10B encoding scheme. Encoded vectors may be disparity dependent or disparity independent. In assigning encoded vectors that have one or more individual binary symbol changes compared with their source data vectors, preference can be given to encoded vectors that are balanced and disparity independent. Whole-vector complementation and individual changes of one or more binary symbols can advantageously be performed substantially in parallel.

Disclosed herein is an arithmetic decoding apparatus that decodes encoded data while updating first and second state variables based on first and second context variables. The first context variable represents a probability state. The second context variable represents a most probable symbol. The arithmetic decoding apparatus includes: a decoding information table that stores transitions of a range of the most probable symbol and a range of a least probable symbol within a range identified by the first context variable, and a number of a symbol for which the range of the most probable symbol becomes less than a specific value; a number-of-symbols determination section configured to determine the number of symbols in the encoded data that are to be decoded collectively; and an output section configured to decode and output a symbol corresponding to the number of symbols that are to be decoded collectively.

The invention discloses an encoding and decoding method for improving decoding efficiency by pilot frequency information and a device thereof. The method comprises the following steps that: pilot frequency sequences are evenly inserted into an information sequence before encoding, and the information sequence is subjected to error correction encoding by an error correcting code; the encoded information sequence is generated into an OFDMA symbol after IFFT conversion, and is transmitted to a receiving end; the receiving end carries out FFT conversion on the received information sequence to obtain soft information corresponding to the information sequence which is encoded by a transmitting end; the positions of the pilot frequency sequences inserted into the information sequence are set into corresponding soft information values according to values of the pilot frequency sequences; and the information is subjected to error correcting decoding to obtain transmitting information of the transmitting end. The method and the device can improve the velocity of convergence and decoding performance of an error correcting decoder, reduce the times of decoding iteration, reduce decoding time delay, and simplify the process of decoding.

Disclosed herein is an arithmetic decoding apparatus that decodes encoded data while updating first and second state variables based on first and second context variables. The first context variable represents a probability state. The second context variable represents a most probable symbol. The arithmetic decoding apparatus includes: a decoding information table that stores transitions of a range of the most probable symbol and a range of a least probable symbol within a range identified by the first context variable, and a number of a symbol for which the range of the most probable symbol becomes less than a specific value; a number-of-symbols determination section configured to determine the number of symbols in the encoded data that are to be decoded collectively; and an output section configured to decode and output a symbol corresponding to the number of symbols that are to be decoded collectively.

Techniques for encoding N-binary symbol (NB) source data vectors into M-binary symbol (MB) encoded vectors, M>N>0, are provided. Techniques for decoding are also provided. Exemplary coding and decoding apparatuses are presented, as is an exemplary 8B / 10B encoding scheme. Encoded vectors may be disparity dependent or disparity independent. In assigning encoded vectors that have one or more individual binary symbol changes compared with their source data vectors, preference can be given to encoded vectors that are balanced and disparity independent. Whole-vector complementation and individual changes of one or more binary symbols can advantageously be performed substantially in parallel.

Methods and apparatus are disclosed herein for encoding human readable text conveying a non-genetic message into nucleic acid sequences with a substantially reduced probability of biological impact and decoding such text from nucleic acid sequences. In one embodiment, each symbol of a symbol set of human readable symbols uniquely maps to a respective codon identifier. Mapping may ensure that each symbol will not map to a codon identifier that generates an amino acid residue which has a single-letter abbreviation that is the equivalent to the respective symbol. Synthetic nucleic acid sequences comprising such human readable text, and recombinant or synthetic cells comprising such sequences are provided, as well as methods of identifying cells, organisms, or samples containing such sequences.

The invention discloses a method and system for allocating discrete resources. The method comprises the following steps: carrying out joint coding on allocated preset parameters of multiple clusters, and sending the joint coding result to a receiving terminal, wherein the preset parameters comprise the starting point and length of each cluster in the multiple clusters; and calculating the allocated preset parameters of the multiple clusters by the receiving terminal according to the joint coding result. The method and system provided by the invention are convenient to realize, are low in cost and can be used for achieving the balance between the cost and flexibility of the resource allocation through reasonable allocation of the number and size of coprime numbers.

The invention discloses a ground digital television receiver, comprising an outer housing, a front panel, a rear panel, an antenna installed on the outer housing, a video output interface and an audio output unit which are installed on the rear panel, further comprising an integral signal decoding unit installed in the outer housing and an FLASH memory unit, a DDR storage unit, a tuner unit and a signal channel demodulation unit which are electrically connected with the integral signal decoding unit; the antenna is electrically connected with the tuner unit; the tuner unit is electrically connected with the signal demodulation unit; and the video output interface and the audio output interface are electrically connected with the integral signal decoding unit. The receiver receives television signals through the antenna, and the signals are processed by the tuner unit and the signal channel demodulation unit and then transmitted to the integral signal decoding unit, and various video and audio signals are generated after the signals are processed by the integral signal decoding unit and then transmitted to the corresponding video output interface and audio output unit. The receiver uses a single chip computer to decode in various encoding standards.

A method and apparatus for decoding inner and / or outer codes in a mobile communication system. The inner and / or outer codes are decoded at low power and high speed. An inner decoder performs channel decoding and cyclic redundancy checking (CRC) on symbols received through a wireless network. An outer decoder performs outer coding on the received symbols. An erasure symbol identifier outputs information of erasure symbols in which a reception error has occurred. The reception error is determined from a result of the CRC on the received symbols. A controller counts the number of received symbols and the number of erasure symbols, and stops an operation of at least one of the inner and outer decoders when at least one of the number of received symbols and the number of erasure symbols is equal to a preset reference value.

An encoding apparatus includes an encoder configured to classify an image into a regions corresponding to display screen sizes, and encode the image. The encoder classifies the regions into tile region. The encoder adds, to encoded data, information for associating information of a tile region to be decoded when decoding an image corresponding to one of display screen sizes.

This invention relates to a method and a device for realizing coding including: obtaining required Jialuohua few and binary system number, converting the Jialuohua few to a biary domain from Jialuohuafew to get a binary number corresponding to the Jialuohua few, multiplying the binary number corresponding to the Jialuohua number and the binary number necessary for product operation to get the product to carry out operation with it.

A decoding method and device based on overlapping multiplexing, and a modulation and demodulation method and system, based on a sphere decoding algorithm, a digital signal carrying input information is decoded in a corresponding field to obtain an optimal decoding path for judgment output. Decoding based on the sphere decoding algorithm simplifies the decoding process, saves system resources, reduces the complexity of decoding, improves the real-time performance of the decoding output and ensures the performance of the system. Therefore, it is realized that the decoding complexity is lower as the number of times of overlapping multiplexing increases. At the same time, on the premise of ensuring better decoding performance, the decoding method with a large number of overlapping multiplexing times can be put into practical use.

A method for converting multi-order run length data includes using quaternary ( d , k ) code with code rate of R = 5 / 8 bit / code element as run length limited code in order to convert 5 bit source character formed by decimal system user data to be code character formed by 8 multi-order code elements, using 0 , 1 , 2 and 3 as code element and applying d+1=3 to present minimum number of continuous identical code element to be 3 as well as applying k+1=10 to present maximum number of continuous identical code element to be 10. The data converting device used for realizing said method is also disclosed.

The present invention discloses a method and device for time-frequency transform decoding suitable for an OvXDM system and an OvXDM system. The method comprises: receiving signals and processing the signals to obtain a digital received signal sequence in a first domain; dividing the digital received signal sequence in the first domain by a digital multiplexed waveform signal sequence in the firstdomain to obtain a digital transmission signal sequence in the first domain; converting the digital transmission signal sequence in the first domain to a digital transmission signal sequence in a second domain; and performing decision of the digital transmission signal sequence in the second domain, and taking a decision result as a decoding sequence for output. The method and device for time-frequency transform decoding suitable for an OvXDM system and the OvXDM system simplify a decoding process, save storage resources of a system, reduce the decoding complexity, improve the real-time performance of decoding output, and allow the decoding complexity basically to be only related to a data length without influence of the number of overlapping, so that the complexity cannot be increased with an index rate when the number of times of overlapping is improved.

The present application discloses a decoding method suitable for OvXDM systems, including: generating an augmented matrix B related to the received symbol information sequence; performing singular decomposition on the augmented matrix B; decoding by total least squares method, Obtain the decoded output information sequence. The application also discloses an OvXDM system. In the specific implementation of the present application, since the total least squares method is used for decoding, it solves the problem that in traditional decoding methods, such as when using Viterbi decoding, a large amount of storage resources (path storage and distance storage) are required, and the following As the number of overlaps increases, the decoding complexity increases sharply. At the same time, the decoding process is symbol-by-symbol decoding, and the real-time performance of the decoding output is low. When the signal is interfered by noise, the present application can obtain decoding results more accurately, simplifies the decoding process, saves system resources, reduces decoding complexity, improves decoding efficiency and ensures system performance.

The invention discloses an information transmission method based on convolutional encoding in an uplink multi-address relay network, which comprises steps as follows: Time Slot 1: every user transmits an information symbol to a specific relay node selected within the respective transmission range; and Time Slot 2: the relay node carries out linear network encoding on the detected user informationsymbol to obtain an encoded signal, gets access into a base station, and meanwhile, transmits the encoded signal to the base station, the base station receives the encoded signal of the relay node, and can decode the user information symbol by simple Viterbi decoding, thereby greatly simplifying the decoding operation of the base station. Compared with the existing information transmission schemein the uplink multi-address relay network, the method disclosed by the invention increases the information transmission rate of the uplink multi-address relay network, and further lowers the decodingcomplexity and time cost of the base station, so that the base station can quickly and reliably decode the user information.

The invention discloses an information transmission method based on convolutional encoding in an uplink multi-address relay network, which comprises steps as follows: Time Slot 1: every user transmits an information symbol to a specific relay node selected within the respective transmission range; and Time Slot 2: the relay node carries out linear network encoding on the detected user informationsymbol to obtain an encoded signal, gets access into a base station, and meanwhile, transmits the encoded signal to the base station, the base station receives the encoded signal of the relay node, and can decode the user information symbol by simple Viterbi decoding, thereby greatly simplifying the decoding operation of the base station. Compared with the existing information transmission schemein the uplink multi-address relay network, the method disclosed by the invention increases the information transmission rate of the uplink multi-address relay network, and further lowers the decodingcomplexity and time cost of the base station, so that the base station can quickly and reliably decode the user information.

This application discloses a time-frequency transform decoding method and device suitable for OvXDM system and OvXDM system. The method includes: receiving the signal and processing it to obtain a digital received signal sequence in the first domain; dividing the digital received signal sequence in the first domain by the digital multiplexed waveform signal sequence in the first domain, thereby obtaining the digital received signal sequence in the first domain The digital transmission signal sequence in the first domain is converted into the digital transmission signal sequence in the second domain; the digital transmission signal sequence in the second domain is judged, and the judgment result is output as a decoding sequence. This application simplifies the decoding process, saves the storage resources of the system, reduces the decoding complexity, improves the real-time performance of the decoding output, and makes the decoding complexity basically only related to the data length, not affected by the number of overlaps , so that the complexity does not increase exponentially when increasing the number of overlaps.

The invention discloses a video compression method, a video decompression method, an intelligent terminal and a storage medium. The video compression method comprises the following steps: acquiring a picture group of a video, and acquiring a forward frame and a backward frame of a B-frame original frame according to the picture group; obtaining the original frame of the B frame, performing motion compensation on the original frame of the B frame through a motion compensation network, and reconstructing the B frame; encoding the forward frame and the backward frame; and coding the reconstructed B frame according to the coded forward frame and the coded backward frame. The video decompression method comprises the following steps: acquiring a coded and compressed picture group in a video, the picture group comprising a coded B frame and a forward frame and a backward frame of the B frame; decoding the forward frame and the backward frame; and decoding the frame B according to the decoded forward frame and the backward frame. According to the invention, the coding and decoding effects of the B frame can be improved.

Embodiments of systems and methods for efficient broadcasting via random linear packet combining are described. A plurality of data packets are received from a data source according to embodiments. The plurality of data packets is divided into a plurality of data blocks, and bits associated with the plurality of data blocks are multiplied by a set of coefficients to generate a plurality of product values. An encoded data packet having a plurality of encoded data blocks may also be generated by linearly combining the plurality of product values for respective data blocks of each of the plurality of data packets into corresponding encoded data blocks of the encoded data packet. Because each encoded data packet includes information about a complete set of data packets, rather than just a subset, less broadcast redundancy may be required.

A two-dimensional coding method includes: using a two-dimensional image containing plural reference pixels each having a different brightness and data pixels representing data in accordance with brightness; and coding a binary sequence of plural bits to be recorded as a hologram by matching the brightness level of the data pixel based on the brightnesses of the plural reference pixels.

The invention discloses a data receiving and transmitting method, a transceiver and a system applied to an MBMS service. The data transmitting method applied to a broadcast / multicast MBMS service comprises the following steps that: all cells sending the same MBMS service data are divided into three groups; a base station of each group of the cells performs constellation rotation of a modulation symbol of the MBMS service data to be transmitted and performs space-time coding on the data after the constellation rotation according to a branch in an MDC model, and the branches used by the base stations of the same group of the cells are same and the branches used by the base stations of different groups of the cells are different; the base station of each group of the cells modulates the dataafter the space-time coding into radio-frequency signals and transmits the radio-frequency signals. The data receiving and transmitting method, the transceiver and the system can improve the space diversity gain and the coding gain of the signals.