|| List of recent Coded Data-related patents
|Data distribution unit for vehicle entertainment system|
A data distribution unit for a vehicle includes a wireless receiver configured to receive coded data wirelessly via a cellular network, a signal processor configured to decode the coded data into video data and audio data, and a wireless transmitter configured to transmit the video data wirelessly to a display and transmit the audio data wirelessly to a speaker.. .
|Encoding with integrated error-detection|
A method of encoding a data set including one or more n-bit pre-coded symbols in an encoder of a computing system includes determining a plurality of n+2-bit code words, each of the plurality of n+2-bit code words having two or greater hamming distance from one another. The method further includes mapping each of the plurality of n+2-bit code words to a corresponding source symbol, receiving the one or more n-bit pre-coded symbols at the encoder, matching each n-bit pre-coded symbol to a corresponding n+2-bit code word based on the mapping to produce encoded data.
|Collation control device, and collation control method|
A computer receives a retrieval request with a retrieval character string, adds control information to a region corresponding to code information included in a management region used for extending encoded data when an extension result of the code information matches a first character of the retrieval character string when the encoded data to be retrieved is sequentially extended in response to the retrieval request, and performs collation processing between the retrieval character string and character string information corresponding to data of the extension result of the code information when the control information is added to a partial region corresponding to code information to be extended in the extension.. .
|Methods and systems for navigation in indoor environments|
Several methods and systems for navigation in an indoor environment are disclosed. In an embodiment, a method includes receiving coded data corresponding to a plurality of destinations in an indoor environment.
|Method and device for transmitting frame|
Disclosed are a method and device for transmitting a frame. The method for transmitting a frame includes a step of generating a-mpdu (aggregate mac protocol data unit) and a step of transmitting a-mpdu.
|Transmission device and transmission method|
A transmission device capable of reducing packet receiving errors and the number of retransmissions by improving error correction coding gain without increasing the amount of resources used in transmission. The transmission device (100) that transmits each bit of coded data constituted from systematic bits and parity bits in order for each transmission unit, and performs frequency puncturing to puncture, in units of symbols, data to be punctured in which each bit has been superimposed on a plurality of frequency domain symbols.
|Close proximity communication device and methods|
Disclosed herein are methods and systems for receiving an encoded data packet, one or more activation commands, and a communication identifier, decoding the received data packet, validating the decoded received data packet, and executing one or more routines associated with the respective one or more activation commands.. .
|Updating a set of memory devices in a dispersed storage network|
A method begins by tracking age related failure levels of memory devices within the storage unit. The method continues by maintaining a data location table that maps a range of dsn addresses allocated to the storage unit to the memory devices and further records storing of encoded data slices having specific dsn addresses within the memory devices.
|Architecture for writing and reading data in a data storage system|
A system including an encoder module, a buffer first-in first-out (fifo) module, a buffer manager module, n fifo modules, and n input/output (i/o) modules. The encoder module encodes data received from a host and generates p units of encoded data, where p is an integer greater than 1.
|System and method for delivering content to users on a network|
Targeted content may be provided to a designated set of one or more interconnected resources. Programmatic operations are executed using resources that are private to the one or more interconnected devices.
|Method and apparatus of suppressing vocoder noise|
A method and apparatus for suppressing vocoder noise are provided. In the method, first information and second information are received from a channel decoder, the first information indicating whether a decoded data frame has an error and the second information being a channel quality metric, error concealment voice decoding is performed on the decoded data frame if the first information indicates that no channel decoding error has been generated and the second information is smaller than a predetermined first threshold, and normal voice decoding is performed on the decoded data frame if the first information indicates that no channel decoding error has been generated and the second information is equal to or larger than the first threshold..
|Image processing device|
A decoder decodes compressed image data in units of blocks and writes the decoded data in the blocks into a decoded data memory. A progress notification unit generates a progress signal indicating a state of progress that data is being decoded or written into the decoded data memory by the decoder and outputs the signal to a format conversion unit per picture.
|Motion video predict coding method, motion video predict coding device, motion video predict coding program, motion video predict decoding method, motion predict decoding device, and motion video predict decoding program|
A video predictive coding system includes a video predictive encoding device having: an input circuit to receive pictures constituting a video sequence; an encoding circuit which conducts predictive coding of a target picture using, as reference pictures, pictures encoded and reconstructed in the past, to generate compressed picture data; a reconstruction circuit to decode the compressed picture data to reconstruct a reproduced picture; picture storage to store the reproduced picture as a reference picture for encoding of a subsequent picture; and a buffer management circuit which controls the picture storage, (prior to predictive encoding of the target picture), on the basis of buffer description information bd[k] related to reference pictures used in predictive encoding of the target picture, encodes the buffer description information bd[k] with reference to buffer description information bd[m] for a picture different from the target picture, and adds encoded data thereof to the compressed picture data.. .
|Apparatus and method for support of communications services and applications over relatively low signal-to-noise ratio links|
A physical layer (pl) frame generation method is provided. A pl payload is generated by encoding and modulating source data based on a first modcod of a first set.
|Sc-fdma transmission device and transmission method|
An sc-fdma transmission device capable of achieving excellent error rate characteristics on any propagation channel, wherein a determination unit (151) determines the ratio of the frequency puncturing amount to the time puncturing amount in the total puncturing amount on the basis of a puncturing determination rule, and a setting unit (152) sets the time puncturing amount and the frequency puncturing amount on the basis of this ratio. Here, in the puncturing determination rule, the ratio is determined from the mcs of the encoded data, the number of resources allocated to the encoded data, and the delay spread of the propagation channel between a receiving device and the transmission device (100)..
|Adaptive soft-output detector for magnetic tape read channels|
In accordance with one embodiment, a computer program product includes a computer readable storage medium having computer readable program code that is readable and/or executable by a processor to: receive a signal including precoded data read from a magnetic tape medium and pass the signal through a soft detector to calculate first soft information about each bit of the signal and to provide adaptive compensation for the precoded data, send the first soft information to a soft decoder, pass the signal through the soft decoder to calculate second soft information about each bit of the signal, and send the second soft information to the soft detector, wherein the precoded data is passed through at least one precoder prior to being written to the magnetic tape medium via a precoder that applies 1/(1⊕d2) to bits of data, where d is delay corresponding to bit duration.. .
|Vehicular fleet management system and methods of monitoring and improving driver performance in a fleet of vehicles|
A system and method is described in which vehicles are configured to collect driver and vehicle event data, selectively compress and encode the collected driver and vehicle event data, and communicate the compressed and encoded data wirelessly to one or more telematics service providers. Servers poll this driver event data periodically, process it, and present multiple methods to end users by which they are able to view and analyze it.
|Decoder having early decoding termination detection|
Embodiments of decoders having early decoding termination detection are disclosed. The decoders can provide for flexible and scalable decoding and early termination detection, particularly when quasi-cyclic low-density parity-check code (qc-ldpc) decoding is used.
|Methods and systems for storing and retrieving data|
Through use of the technologies of the present invention, one is able to store and to retrieve data efficiently. One may realize these efficiencies by coding the data and storing coded data that is of a smaller size than original data..
|Modifying a dispersed storage network memory data access response plan|
A dispersed storage network memory includes a pool of storage nodes, where the pool of storage nodes stores a multitude of encoded data files. A storage node obtains and analyzes data access response performance data for each of the storage nodes to produce a modified data access response plan that includes identity of an undesired performing storage node and an alternative data access response for the undesired performing storage node.
|Storing data and metadata in a distributed storage network|
A method begins with receiving a data search criteria. The method continues by accessing a master database that includes a plurality of entries, wherein an entry includes a data name field, a metadata field, a data dsn address, and a metadata dsn address.
|Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream|
An apparatus for decoding data segments representing a time-domain data stream, a data segment being encoded in the time domain or in the frequency domain, a data segment being encoded in the frequency domain having successive blocks of data representing successive and overlapping blocks of time-domain data samples. The apparatus includes a time-domain decoder for decoding a data segment being encoded in the time domain and a processor for processing the data segment being encoded in the frequency domain and output data of the time-domain decoder to obtain overlapping time-domain data blocks.
|Dispersion tolerant optical system and method|
An optical communication system and method of use are described. The system comprises an optical source adapted to receive a digitally encoded data signal comprising sequences of data at a data rate (b) and comprising two signal levels representing a first state and a second state of the data signal, the optical source being adapted to produce an optical signal substantially frequency modulated with frequency excursion Δν comprising a first instantaneous frequency (ν0) associated to the first state and a second instantaneous frequency (ν1) associated to the second state; an optical converter adapted to receive the substantially frequency modulated optical signal, the optical converter having an optical transfer function varying with frequency and including at least one pass band, the at least one pass band having a peak transmittance and at least a low-transmittance region..
|Modified orthogonal polynomials based hybrid coded-modulation for multi-tb/second optical transport|
A system and method for transmitting data, including one or more low density parity check (ldpc) encoders configured to encode one or more streams of input data; a signal constellation generation module configured to generate one or more signal constellations; one or more modulators configured to generate one or more signals using hybrid multidimensional coded modulation; a modified orthogonal polynomial generation module configured to generate modified orthogonal polynomials for use as electrical basis functions; and one or more mode-multiplexers and transmitters configured to mode-multiplex and transmit one or more ldpc-coded data streams over a transmission medium.. .
|Temporal winner takes all spiking neuron network sensory processing apparatus and methods|
Apparatus and methods for contrast enhancement and feature identification. In one implementation, an image processing apparatus utilizes latency coding and a spiking neuron network to encode image brightness into spike latency.
|Methods, systems, and computer program products for assessing a macroblock candidate for conversion to a skipped macroblock|
A sequence of encoded data associated with a block of video is assessed to determine if: quantized coefficients of transformed residual pixel data associated with the block are equal to zero, the block was encoded using a temporal compression process, a slice that includes the block is configured to be encoded using only one reference picture list or two reference picture lists, the block is unpartitioned or was encoded in direct mode, a reference picture used to encode the block is the reference picture associated with a lowest index value on the one reference picture list, and an actual motion vector associated with the block is equal to a predicted motion vector associated with the block.. .
|Communication terminal and encoding rate reduction method|
A communication terminal includes a communication unit to be connected to a first base station and a second base station in different communication protocols, and an encoder which encodes data at an encoding rate determined according to the first base station or the second base station for each predetermined time t and outputs the encoded data to the communication unit. When a connection destination is changed from the first base station to the second base station in a period when the communication unit is being connected to the first base station, the communication unit transmits change information to the encoder before the change of the connection to the second base station is completed.
|Scrambling and modulation to constrain the constellation size of ack/nak transmission on the data channel|
Aspects describe maximizing a euclidean distance for an ack transmission as a function of the number of bits in a harq-ack and a modulation order. Encoding includes placing escape sequences in the harq-ack, wherein the number of escape sequences is based on the number of bits and the modulation order.
|Decoding device and encoding device|
According to an embodiment, a decoding device includes an acquiring unit configured to acquire first format information, encoded data, and first filter information, the first format information indicating a resolution of a color-difference component of the encoded data; a decoding unit configured to decode the encoded data to obtain a decoded image; and a converting unit configured to convert a color-difference format of the decoded image represented by a first color-difference format by using a filter identified by the filter information.. .
|Monitoring moving articles|
A system of monitoring movable articles, e.g. For detecting counterfeits, is described.
|Magnetic stripe reader with card swipe information feedback|
A magnetic card reader module includes a magnetic sensor and an adjacent groove, a microcontroller and an application. The magnetic sensor is configured to pick-up an analog magnetic signal generated by swiping a magnetic stripe through the groove.
|Method and apparatus for accessing secure data in a dispersed storage system|
A method begins with a first computing device receiving a first request from a user device to access secure data. The method continues with the first computing device processing the first request to determine a level of access.
|Large scale subscription based dispersed storage network|
A method begins with a set top box determining whether a content request is regarding playback of stored content or streaming of broadcast content. When the content request is regarding playback of stored content, the method continues with the set top box determining whether to retrieve the stored content for a group of set top boxes in a common area or from storage units dsn memory.
|System and method for secure transaction process via mobile device|
A secure element with a user security domain thereon, the user security domain constituted of: a security domain control circuitry; an encoder/decoder functionality responsive to the security domain control circuitry; and a secured keys storage in communication with the security domain control circuitry, the encoder/decoder functionality arranged to: encode data responsive to at least one first key stored on the secured keys storage, and output an encoded data; and decode received data responsive to at least one second key stored on the secured keys storage, and output a decoded data.. .
|Encoding device and encoding method|
This encoding device (100) is provided with: a celp encoding unit (102) that decodes celp encoded data resulting from celp encoding an input signal, generating a celp decoded signal; a transform encoding unit (106) that generates a decoded signal spectrum by decoding transform encoded data resulting from using the spectrum of the input signal and the suppression spectrum of suppressing using a first suppression factor to transform encode the amplitude of the spectrum of the celp decoded signal, and that outputs an index of the transform encoded frequency component; a pulse index recording unit (107) that forms and records an array using the index; and a celp component suppression unit (109) that uses a second suppression factor and the array to suppress the amplitude of the spectrum resulting from adding the decoded signal spectrum and the suppression spectrum.. .
|Systems and methods for providing game gestures|
A system, computer-readable storage medium storing at least one program, and a computer-implemented method for providing replay data is provided. User input can be received from a first client device of a first user.
|Digital television transmitting system and receiving system and method of processing broadcast data|
A dtv transmitting system includes a frame encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The frame encoder builds an enhanced data frame and adds parity data into the data frame.
|Moving image encoding device and moving image encoding method|
According to one embodiment, a moving picture coding apparatus and a moving picture coding method capable of further improving coding efficiency, the moving picture coding apparatus comprises a controller. The controller performs control such that coded data are created using an inter-prediction structure in which the maximum number of consecutive b-pictures in a gop is set to “n”, and the number of layers in a reference relationship between the b-pictures is set to “l”..
|Method and apparatus for improved network coding in wireless communication system|
A method of performing a network coding (nc) by a transmitting node in a wireless communication system, the method comprising receiving uplink packets from a plurality of nodes through respective links, grouping the links into at least one group based on channel quality information, each group satisfying a listed range of channel quality information, performing the nc on downlink data for each group and transmitting each scheduling information shared by each group to the at least one respective group. A method of receiving network-coded data in a wireless communication system comprises transmitting an uplink packet to a transmitting node, receiving scheduling information shared by a group of links from the transmitting node, the group of links satisfying a listed range of channel quality information, receiving downlink data on which nc is performed and decoding the downlink data based on the scheduling information..
|Access control in a dispersed storage network|
A method begins dispersed storage error encoding data in accordance with dispersed storage error encoding parameters to produce a plurality of set of encoded data slices. The method continues by determining access control information for the plurality of sets of encoded data slices.
|Rate adaptive irregular qc-ldpc codes from pairwise balanced designs for ultra-high-speed optical transports|
Systems and methods for data transport include encoding one or more streams of input data using one or more quasi-cyclic low density parity check (qc-ldpc) encoders; controlling irregularity of the qc-ldpc encoded data while preserving the quasi-cyclic nature of the ldpc encoded data and eliminating the error floor phenomenon. A parity-check matrix may be partially reconfigured to adapt one or more code rates; and one or more signals are generated using a mapper, wherein the output of the mapper is modulated onto a transmission medium.
|Storing data in a dispersed storage network|
A method begins by creating a vault as a virtual memory block within memory of a dispersed storage network (dsn). A segment of data is encoded into a set of encoded data slices and stored in the vault.
|Write operation dispersed storage network frame|
A method begins by generating a set of write request frames regarding a write request operation for a set of encoded data. Each of the write request frames includes a payload section and a protocol header.
|Car a/v system with text message voice output function|
A car a/v system head unit includes a text message receiving and decoding device for receiving a text message sent by an external communication device and decoding the text message into a decoded data signal, a display device including a display zone for display the decoded data signal and function selection touch zones selectively touchable by a person to select different functions, a text/voice converter for converting the decoded data signal into a voice signal, and a voice output system for outputting the voice signal. Thus, the car a/v system head unit can convert each received text message into a voice signal and output the voice signal directly in the car, avoiding distracted driving and enhancing driver safety..
|Multidimensional coded-modulation for high-speed optical transport over few-mode fibers|
Systems and methods for data transport are provided which encode streams of data using low density parity check (ldpc) encoders and map data streams to symbols, by assigning bits of symbols to a signal constellation and associating bits with constellation points. Constellation points are generated using a d-dimensional optimum signal constellation design (oscd) method.
|Methods and apparatus for wlan transmission|
In a method for generating a phy data unit for transmission via a communication channel, a modulation scheme is selected from a plurality of modulation schemes, information bits are encoded to generate encoded data using one or more encoders, and an interleaving parameter ncol is selected using the selected modulation scheme. Ncol varies for different modulation schemes.
|Image processing apparatus, image encoding apparatus, and image processing method|
According to an embodiment, an image processing apparatus includes a first decoding unit, a selection unit and a generation unit. The first decoding unit generates a first decoded image by decoding first encoded data.
|Auxiliary data encoding in video data|
Embodiments of the invention are generally directed to character data encoding in video data. An embodiment of an apparatus includes a port for connection of the apparatus to a second apparatus; and a transmitter for the transmission of video data and auxiliary data to the second apparatus, wherein the apparatus is to encode the auxiliary data into a portion of the video data and to transmit the encoded data to the second apparatus, the auxiliary data being encoded into unused bits of the portion of video data..
|Method and apparatus for sharing content via encoded data representaions|
An approach is provided for a more efficient and user friendly mechanism for sharing content among users. The approach includes determining a first request from a first device for sharing at least one content item; causing, at least in part, a generation of a graphical code representing, at least in part, the at least one content item, wherein the graphical code is unique to the first request; causing, at least in part, a presentation of the graphical code at the first device; and causing, at least in part, a transfer of the at least one content item from the first device to a second device based, at least in part, on a scanning of the graphical code by the second device..
|Article of manufacture for securing data in 2d bar codes using ssl|
An article of manufacture comprises a printed document associated with a source entity. The printed document is readable by a software application of an electronic device.
|Video multiplexing apparatus, video multiplexing method, multiplexed video decoding apparatus, and multiplexed video decoding method|
A video multiplexing apparatus includes: a control unit which determines first decode/display time information and second decode/display time information for each picture in video data and for each encoding unit of first media data; a video packet generating unit which appends the first and second decode/display time information for the picture to encoded data of the video data; and a media packet generating unit which appends the first and second decode/display time information for the encoding unit to encoded data of the first media data. The first decode/display time information is used when the decoding unit of the video data is a picture, and the second decode/display time information is used when the decoding unit is a sub-picture.
|Systems, methods, apparatus, and computer program products for providing forward error correction with low latency|
Systems, methods, apparatus, and computer program products for providing forward error correction with low latency to live streams in networks are provided. One example method includes receiving source data at a first rate, outputting the source data at a rate less than the first rate, collecting the source data in a buffer, fec decoding the source data, thereby generating decoded data; and outputting the decoded data at a rate equal to the first rate, either after collecting the source data in the buffer for a predetermined time duration or after collecting a predetermined amount of the source data in the buffer..
|Apparatus and method for encoding data for storage in multi-level nonvolatile memory|
A controller for a nonvolatile memory includes an encoder and a decoder. The memory includes memory cells that each store data using more than two levels.
|Encoding data utilizing a zero information gain function|
A method begins by a dispersed storage (ds) processing module encoding data using a dispersed storage error coding function to produce a set of encoded data slices. The method continues with the ds processing module encoding a first encoded data slice of the set of encoded data slices using a zero information gain (zig) function based on a second encoded data slice of the set of encoded data slices to produce a zig encoded data slice.
|Encoding device, decoding device, encoding method and decoding method|
By copying to a high-frequency band portion (extension band) a low-frequency band portion in which peaking has been set to a sufficiently low state, this encoding device is capable of preventing generation of a spectrum with overly high peaking in the high-frequency band portion, and of generating a high-quality extension band spectrum. This device comprises: a maximum value search unit which searches, in each of multiple sub-bands obtained by dividing the low-frequency band portion of an audio signal and/or music signal below a prescribed frequency, for the maximum value of the amplitude of a first spectrum obtained by decoding first encoded data, which is encoded data in the low-frequency band portion; and an amplitude normalization unit which obtains a normalized spectrum by normalizing, at the maximum values of the amplitude of each sub-band, the first spectrum contained in each sub-band..
|Encoding device and method, decoding device and method, and program|
A qmf sub-band power calculation unit calculates power of a qmf sub-band signal of a high frequency qmf sub-band among a plurality of the qmf sub-bands constituting an input signal. A high frequency sub-band power calculation unit carries out an operation to weight more a qmf sub-band power having larger power as for a sub-band including a number of the high frequency qmf sub-bands to calculate high frequency sub-band power of the sub-band.
|Encoding device and encoding method, decoding device and decoding method, and program|
The present technology relates to an encoding device and an encoding method, a decoding device and a decoding method, and a program, configured to obtain a high quality audio with less encoding amount. A number-of-sections determining feature amount calculating circuit calculates a number-of-sections determining feature amount for determining the number of divisions to divide a process target section into continuous frame sections each including a frame for which the same estimation coefficient is selected, based on sub-band signals of a plurality of sub-bands constituting an input signal.
|Method to control the effects of out-of-cell interference in a wireless cellular system using backhaul transmission of decoded data and formats|
Successfully decoded data received from a mobile terminal as well as the transmission format of that data is relayed over the backhaul from a base station receiver that successfully decoded the mobile terminal's transmission to the base stations in the mobile terminal's active set that presumably were unable to decode the mobile terminal's transmission due to inadequate signal-to-noise ratio. A base station that receives this transmission from the relaying base station that did successfully decode and demodulate the mobile terminal's transmission is then able to reconstruct the data and subtract it from the total interference, thereby increasing the signal-to-noise ratio at this base station for its in-cell processing..
|Information processing apparatus, method, and program|
An information processing apparatus includes a first storage unit which stores coded data obtained by coding image data; a second storage unit, storage capacity of which is smaller compared to that of the first storage unit, data reading and writing speeds of which are higher compared to those of the first storage unit; and a control unit which receives the coded data, and stores the coded data on the first storage unit when a data length of the received coded data is longer compared to a predetermined threshold value, or stores the coded data on the second storage unit, reads the coded data in units of data length which is longer compared to the threshold value from the second storage unit, stores the coded data on the first storage unit when the data length of the received coded data is shorter compared to the predetermined threshold value.. .
|Method for transmitting a signal|
The method includes providing a stream of data to be transmitted, and processing the data by means of channel coding with a time-varying code rate, thereby generating a stream of channel coded data. The method further includes forming succeeding transmission time intervals and distributing the channel coded data on the transmission time intervals, and adjusting a transmission power of the signal to be transmitted by timely positioning a transmission power slope between two succeeding transmission time intervals so that the transmission power slope is contained completely within one transmission time interval of the two transmission time intervals, wherein the one transmission time interval comprises a lower nominal code rate or a lower nominal transmission power than the other one of the two transmission time intervals..
|Adjustable data reader with pivot mount|
A data reading system for reading encoded data, such as barcode labels or rfid tags, from an item. The data reading system includes a housing, a data reader disposed within the housing, the data reader configured to read the encoded data from the item through a scan window on the housing.
|Server and client processing multiple sets of channel information and controlling method of the same|
A technical method related to a server and a client processing multiple sets of channel information is disclosed. Herein, an apparatus of processing multiple channel information according to an exemplary embodiment of the present invention includes a decoder decoding encoded data received from a server, a demultiplexer demultiplexing video data, audio data and metadata for each channel from the decoded data, a controller extracting video data, audio data and metadata for a channel group for on-screen display (osd) data, the channel group including one or more channels, an osd generator generating osd data based on the extracted video data, audio data and metadata for the channel group, and a display module displaying the generated osd data on a predetermined section along with a broadcast screen of a currently selected channel..
|Method of decoding a differentially encoded phase modulated optical data signal|
Proposed is a method of decoding a differentially encoded psk modulated optical data signal carrying fec encoded data values. The optical signal is corrected by an estimated phase offset.
|Achieving storage compliance in a dispersed storage network|
A method begins by a dispersed storage (ds) processing module receiving a request to store data in a dispersed storage network and determining dispersed storage error encoding parameters for encoding the data into sets of encoded data slices. The method continues with the ds processing module determining whether the request includes a desired write reliability indication.
|Mapping storage of data in a dispersed storage network|
A method begins by a dispersed storage (ds) processing module receiving data for storage in a dispersed storage network (dsn) memory and ascertaining dispersed storage error encoding parameters for encoding the data. The method continues with the ds processing module ascertaining storage units of the dsn memory for the storing an encoded version of the data and ascertaining a storage mapping that maps encoded data slices to storage units for storing the encoded version of the data.
|Storing encoded data files on multiple file servers|
In some examples, a method for encoding and storing data blocks of a data file on multiple file servers is described. The method may include selecting a data clip size s, selecting a number n of data clips to include in each data block, and dividing the data file into data blocks each having data size (s×n).
|Contrast enhancement spiking neuron network sensory processing apparatus and methods|
Apparatus and methods for contrast enhancement and feature identification. In one implementation, an image processing apparatus utilizes latency coding and a spiking neuron network to encode image brightness into spike latency.
|Coding device, decoding device, coding/decoding system, coding method, and decoding method|
A coding device and method, which can suppress degradation of image data while guaranteeing a target compression ratio, a decoding device and method, which decode the data coded by the coding device and method, and a coding/decoding system including the coding device and the decoding device are provided. The coding device includes a predictive value data generator that sequentially generates predictive value data, a predictive error data generator that sequentially generates predictive error data, which is a difference between pixel data and the predictive value data, a coder that sequentially codes the predictive error data to sequentially generate variable-length coded data, and a coding controller that sequentially controls the coder.
|Digital broadcasting system and data processing method|
A method of processing broadcast data in a broadcast transmitting system includes reed-solomon (rs) encoding and cyclic redundancy check encoding an rs frame payload including mobile service data to build an rs frame, wherein the rs frame payload comprises a plurality of mobile and handheld transport packets; first encoding data of the rs frame with a first encoding code; second encoding signaling data with a second encoding code, wherein the signaling data include fast information channel (fic) data and transmission parameter channel (tpc) data, the fic data including information for rapid mobile service acquisition and the tpc data including a parade identifier for identifying a parade to which a current data group belongs; mapping the first encoded data into data groups and adding known data sequences and the second encoded signaling data to each of the data groups; and transmitting a transmission frame including data of the data groups.. .
|Dtv transmitting system and receiving system and method of processing broadcast signal|
A television transmitting system includes an encoder, a data randomizing and expanding unit, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection.
|Method and apparatus for interleaving low density parity check (ldpc) codes over mobile satellite channels|
Systems, methods and apparatus are described to interleave ldpc coded data for reception over a mobile communications channel, such as, for example, a satellite channel. In exemplary embodiments of the present invention, a method for channel interleaving includes segmenting a large ldpc code block into smaller codewords, randomly shuffling the code segments of each codeword and then convolutionally interleaving the randomly shuffled code words.