59results about How to "Reliable decoding" patented technology

A method for controlling digit movement of a prosthesis based on residual forelimb volitional pressures is provided. A filter is provided for discriminating from the distributed pressures to provide reliable digit control. The extracted commands can be used to control actuators in a hand prosthesis to restore biomimetic finger control to the user. Feature extraction algorithms can be based on signal amplitudes (peak amplitude or root mean square). Training signal validation can be based on cepstral encoding. The filter is trained under user supervision.

The invention relates to a method for executing a network supported customer business transaction and a method for providing access to an access protected area of a server, in which in each case access to the access protected area in the server by the client terminal is granted when an access authorization is electronically activated.

An apparatus and method for network-based decoding of barcodes are provided. The method includes scanning, by a mobile device, a barcode; decoding, by the mobile device, data codewords encoded in the barcode; determining, by the mobile device, whether the data codewords contain errors; and when the data codewords contain errors, transmitting barcode information from the mobile device to a barcode server for decoding into the data codewords.

A wireless feeder network comprises feeder base stations coupled to the communications network and feeder terminals coupled to associated access base stations of the access network. A group of wireless network components form elements of a feeder cluster and the elements of the feeder cluster are connected by an additional communications resource configured to be operated in parallel with the wireless resource of the wireless feeder network. Both a primary and secondary element of the feeder cluster seek to decode at least one resource block allocated to the primary element for reception of data. Information derived from the secondary decoded data is transmitted from the secondary element to the primary element via the additional communications resource. The primary element then performs a revised decoding process additionally using the information received from said secondary element to improve its own decode probability.

A method for coding three-dimensional (3D) data, and more particularly for coding geometry data included in the 3D data. The method includes: generating a bounding box including a vertex of the 3D data based on information included in the geometry data; dividing the bounding box into a plurality of partitions having an equal size; identifying a number of vertices included in each divided partition; appointing a divided partition as a leaf cell based on the identified number of vertices; and coding the geometry data using information on the dividing of the bounding box, information on vertices included in each divided partition, and information indicating the position of a vertex included in the leaf cell, when a divided partition is subdivided.

Aspects of the disclosure relate to a channel coding and decoding algorithm that provides for generalized polar codes, including the concatenation of a plurality of component codes via one-step polarization. In a further aspect, selection of suitable component codes in this scheme can result in a generalized polar code having a cyclic shift property, such that information can be implicitly communicated according to the magnitude of the cyclic shift. In yet another aspect, a decoding algorithm provides for reliable decoding of such generalized polar codes, including exploitation of time diversity in sequential transmissions. Other aspects, embodiments, and features are also claimed and described.

A method of encoding a digital bus message information, in particular a wake-up bus message information or configuring data, on a bus system, the method comprising: encoding a predetermined part of digital bus message information bits by means of sub-patterns in a stream of line symbols on at least one bus line, wherein sub-patterns consist of successive dominant and recessive phases, comprised of recessive and dominant line symbols, wherein a recessive phase is comprised of at least two recessive line symbols in order to establish a ratio of successive dominant and recessive phases that corresponds to a value of the predetermined part. A respective digital bus message, particularly for use on a bus system, is to be encoded in accordance with the method.Further, a bus node for a system bus having a plurality of stations that are coupled together by means of an arrangement of bus lines, comprises decoding circuitry configured for an analysis of sub-patterns in a stream of data on at least one bus line, and analysing circuitry configured to detect encoded digital bus message information, in particular a wake-up bus message information or configuring data, transmitted in a stream of line symbols on the bus system, wherein the digital bus message information is encoded in accordance with the method.

The invention relates to a radio system and a transceiver method. The method comprises transmitting (402a) a signal of at least one type by a transceiver of the first type; receiving (404a) a signal by a transceiver of the second type with at least two differently polarized antennas; performing (406a), by the transceiver of the second type, measurements of the received signal to determine its polarization; determining (408a) the polarization of the transceiver of the first type; adjusting (410a) the signal transmitted by the transceiver of the second type in such a way that the polarization of the signal is matched with the polarization used by the transceiver of the first type; transmitting (412a) at least two orthogonally polarized, polarization-matched signals by the transceiver of the second type; receiving (414a) the polarization-matched signals by the transceiver of the first type by using at least two antennas of different polarizations.

The embodiment of the invention provides a method, a base station and a system for transmitting subcarriers. The method comprises the steps: dividing a plurality of subcarriers of signals to be transmitted on the entire frequency band into a plurality of transmission groups; distributing the subcarriers of the signals to be transmitted on the entire frequency band to at least two transmission antennas of the base station and broadcasting and transmitting the signals. The method and the system for transmitting subcarriers can enhance the average power of each subcarrier for transmitting the same OFDM signal by a plurality of transmission antennae under the condition that each antenna transmits partial data by synchronous / broadcasting / controlling channels formed by omnibearing wave beams, thereby increasing the coverage range of downlink channels of the base station, raising the signal-to-noise ratio for the reception of user equipment, ensuring the reliable decoding of information transmitted by the user equipment to the base station, enlarging district edge coverage and increasing the throughput.

Time signals transmitted by a time signal transmitter and received by a receiver are processed for gaining time information and for reducing demodulation errors to increase the demodulation certainty. For this purpose the following steps are performed in a time signal receiver: a) scanning of received time signals, b) storing of scanned values of the time signal, c) detecting from the scanned and stored values an amplitude change in said time signal, d) measuring the duration of any detected amplitude changes, e) evaluating the measured time durations relative to a predetermined time duration (Δt) and f) excluding from further processing amplitude changes that have a measured duration that is shorter than the predetermined duration. Amplitude changes of longer duration than (Δt) are demodulated and further processed. The receiver circuit is equipped to perform the foregoing steps, particularly in a radio-controlled clock.

The invention relates to a method for the three-dimensional measurement of high sampling density color structured light based on green stripe segmentation. In previous researches, color encoding is mostly used for space encoding and direct encoding, and most of the color encoding can be used for measuring dynamic objects, but because of the influences caused by the color fidelity and the resolution ratio of a CCD camera, the color encoding has low measurement accuracy for three-dimensional objects and is very difficult to be used for accurate measurement of objects. The method comprises the following steps of: 1) continuously projecting red and blue gray code encoded structured light segmented based on green stripes to the three-dimensional objects required to be measured or reconstructed in turn, and shooting each breadth of projection patterns; 2) performing red, green and blue color stripe segmentation on each breadth of the shot projection patterns to acquire the color values of pixels of each breadth of the patterns; 3) extracting centers and left and right boundaries of the green stripes in each breadth of the shot patterns, and acquiring the coding values of the centers and the left and right boundaries of the green stripes according to the corresponding color values of the pixels of the previous breadths of the patterns; and 4) performing sub-pixel positioning on the centers and the left and right boundaries of the green stripes, and realizing the measurement and the reconstruction of the three-dimensional objects according to system calibration parameters. The method is applied to a three-dimensional measuring technique.

The invention relates to the technical field of communication, and discloses a method for transmitting and storing downlink data, a base station and a terminal. In the scheme, when the base station transmits the downlink data at each time, a bit selection manner adopted by the base station enables that the length and the start point of a sequence expected to receive in initial transmission (or repeat transmission) of the same code block by a terminal in any type are same to the length and the start point of a sequence to be sent by the same code block determined by a sending end, such that the terminal decodes reliably; if decoding is failed, the start point of the sequence in the initial transmission (or repeat transmission) of the same code block stored by the terminal at each time is the same to the start point of the sequence to be sent in the initial transmission (or repeat transmission) of the same code block determined by the sending end; the disadvantage that decoding cannot be carried out accurately due to the fact that storage cannot be carried out accurately when the terminal stores a retransmission code block of the same code block at each time can be avoided; and thus, the decoding accuracy of the terminal is increased.

The invention provides a decoding method for automatically repairing and identifying code pattern symbols of two-dimensional codes. The decoding method includes the following steps that: 1) code pattern symbol images of a two-dimensional code are obtained, and binaryzation is performed on the obtained code pattern symbol images; 2) boundary detection is performed on round unit modules in the code pattern symbol images so as to obtain boundary images; 3) closed boundary tracking is performed on the boundary images; 4) after the closed boundary tracking, identification is performed on the round unit modules, and non circular closed boundaries are discarded; 5) round unit modules in different code pattern symbol images are distinguished and rejected; 6) direction positioning is performed and specifically includes the following steps that: the minimum bounding rectangles of the round unit modules can be obtained through calculation according to the closed boundary coordinates of the round unit modules; a horizontal line and a vertical line which pass through the center coordinates of each minimum bounding rectangle are drawn; and the point of intersection of the horizontal line and the vertical line is adopted as the original point of an image, and each round unit module is divided into an upper left region, an upper right region, a lower left region and a lower right region, and a point in each region, which is farthest to the center of the corresponding minimum bounding rectangle is a positioning round unit module in the corresponding region; and 7) codeword reduction and error correction are performed.

The invention discloses a method for accessing a computer to a network safely and quickly. In the method, the computer is connected with a QR (quick response) code reading device, and a special memory and a first memory are additionally arranged in a family gateway device; and the method comprises the following steps of: carrying out cross compilation on a QR source code by a Linux system platform to generate a QR code executable program which can run on a family gateway, and storing the executable program into a special memory of the family gateway device; operating the QR executable program, inputting the family gateway information required for networking, and carrying out QR codingon the QR executable program to generate a QR code of a PNG (portable network graphic) picture format; displaying the QR code of the PNG picture format or printing the QR code out and then sticking the QR code on the shell of the family gateway device; reading the QR code of the PNG picture format on the shell of the family gateway by the computer with the help of a QR code reading device so as to complete the networking process. Therefore, the QR code is used for storing the family gateway information required for networking, and users can read the two-dimensional codes safely and conveniently to realize fast networking.

The invention discloses a data packing method of audio communication. The data packing method comprises the steps as follows: storing the data to be transmitted to a data field formed by data elements, appending length bits for storing length data of the data field at the front of the data field, appending CRC8 check bits for storing a check value obtained by performing CRC check on the length bits and the data field at the back of the data field to ensure the accuracy of the data in the data field; respectively appending a frame head with relative high resolution and a frame tail with relative high resolution on an analog waveform at the beginning and at the ending of the data package during packing; in addition, performing odd-even check on each byte and appending the check value at the back of the byte after packing to effectively ensure the accuracy of the data of each byte. The analog waveform of the invention has excellent resolution and reliable performance for data recognition and decoding, thereby reducing the error rate. The data packing method of audio communication of the invention improves compatibility between an audio POS and an intelligent device. The coding and decoding of the software are easy to realize and the code consumption is small.

A method for synchronizing a RFID receiver, comprising receiving an input signal from a RFID tag, said input signal comprising a preamble section, creating a first reference waveform, comprising at least a fraction of said preamble section, calculating a first correlation value by correlating said input signal and said first reference waveform, creating a second reference signal so that there is virtually zero correlation between said first reference waveform and said second reference waveform, and using said first correlation value and said second correlation value for adjusting synchronization timebase, wherein the sign and the size of said second correlation value indicates the size and the sign of phase inaccuracy of the synchronization timebase.

A pattern detector for a bus node for a system bus having a plurality of stations that are coupled together by means of an arrangement of bus lines, the bus node comprising: decoding circuitry configured for an analysis of sub-patterns in a stream of data on at least one bus line, and analysing circuitry configured to determine a series of digital relative length information of said sub-patterns, wherein said relative length information is generated by comparison of an actual sub-pattern with a preceding sub-pattern in the stream of data on said at least one bus line. A corresponding method of encoding digital bus message information on a bus system in which the digital bus message comprises at least one part that is by means of sub-patterns to be transmitted in a stream of data on at least one bus line, wherein the method comprises: encoding a series of digital relative information by means of the sub-patterns in the stream of data, wherein said relative information is generated by adapting each sub-pattern carrying one bit of the bus message information with respect to an preceding sub-pattern. A corresponding digital bus messages may be encoded in accordance with the method, which bus messages are of particular use in a bus system, in which communication takes place on arbitrarily manner.

The invention discloses a 3D measurement method based on green-fringe center color coded structured light. The importance development direction of the current vision 3D detection technique includes the structured light method which reflects the advantages in resolution and measuring speed. In the method, color replaces grey level for coding; the color is three basic colors, namely, red, green and blue so as to maximize the difference among the colors. Red and blue fringes in project fringes are coded in Gray code and red fringes are arranged at 0 and blue fringes are arranged at 1 while decoding. A green fringe with a wide pixel is inserted in every neighboring red and blue fringes, selecting the final digit of green pixel projection fringe among all neighboring red and blue fringes, the green fringe code value is not unique while decoding, the code value of the green fringe in pattern j only depends on the code values of the red and blue fringes in the former [1,.....j-1] and is not related to the color value of the neighboring pixel. The method has a wide application trend in industrial production and real life.

Skew-tolerant Gray codes have the property that consecutive code words differ in only one co-ordinate position, and the additional property that, in each consecutive group of three consecutive code words, the first and third code words differ in only two adjacent coordinate positions.

The invention discloses a PCB encoding identification method. A drilling device processes multiple through holes on a PCB. The multiple through holes are distributed in an array and the distance between every two adjacent through hole represents a one-bit number. The multiple bits of numbers are arranged successively to form a code. When decoding is carried out, an image recognition device acquires the multiple through holes and obtains the successively arranged number codes by measuring the distance between every two adjacent through hole. The method forms an encoding identifier by drilling the PCB so as to further record the correlative information of the PCB, thereby effectively prevent the correlative information from being corroded and cleaned.

An image processing apparatus according to an embodiment of the present invention transmits to a mail server a notification email inquiring to a client apparatus of an address whether encrypted data is to be received, and if a reply email is received from the mail server in response to the notification email, wherein the reply email is sent from the client apparatus of the address and indicates to receive the encrypted data, and a password is assigned to the received reply email, the image processing apparatus encrypts data using the password, attaches the encrypted data to an email to be sent to the address, and transmits the email to the mail server.

Provided are a wireless communication system, communication apparatus, communication method, and communication program able to more reliably decode transmit signals at a receiver without more complex processing, even when resource blocks are overloaded.A communication apparatus configured to decode data received on each of at least two streams comprises: a resource block allocation determiner configured to determine an allocation of resource blocks for each stream; and a control information determiner configured to determine control information regarding data transmission on at least one stream, on the basis of the overload ratio of resource blocks among at least one group of streams.

The invention discloses a multi-channel transponder message transmission device and a multi-channel transponder message transmission method, which realize ground transponder energy emission, ground transponder message information wireless receiving, safe decoding and reliable transmission. When a certain part of the equipment breaks down, the equipment is automatically guided to the safety side, the equipment transmits the information to the vehicle-mounted control equipment at the rear end in real time through other normal channels, and meanwhile real-time detection, fault protection and recording can be conducted on equipment state information. The equipment comprises a vehicle-mounted host and a vehicle-mounted antenna, wherein the vehicle-mounted host comprises a dual-channel power amplifier module, a multi-channel receiving module, a multi-channel processing module, a recording board, a power board and a bus board. The device and method have the advantages that the equipment adopts a multi-channel, modular and multi-layer protection design, and avehicle-mounted host processing module adopts a two-out-of-two and double-path backup design, so that the safety, reliability, availability and maintainability of the equipment and the real-time performance, accuracy and stability of information transmission are improved.

Method and apparatus for encoding and decoding video signals for identification, editing, modifying, cuing, routing, distributing, switching, activating and controlling the video signals. One of the many applications is a television program distribution system including a plurality of units through which the television programs flow, by operating a first signal processing unit connected within the system for adding signal elements to the video signal of a program in order to add patterns of symbols to the television picture such that the symbols are disposed at predetermined locations of the television picture and a plurality of successive patterns constituting a code uniquely identifying the program; and a second signal processing unit connected within the system for detecting signal elements previously added to a video signal and for producing, in response to such detection, an identification of the program which included the video signal.

A position of a moveable object may be encoded and indicated by a skew-tolerant Gray code on the object. Skew-tolerant Gray codes have the property that consecutive code words differ in only one co-ordinate position, and the additional property that, in each consecutive group of three consecutive code words, the first and third code words differ in only two adjacent coordinate positions.

An equalizer and methods for equalizing a cable-borne signal are described. The cable-borne signal includes a digital signal and a baseband analog signal separated by frequency. Distortions are removed from the digital signal and an analog equalizer compensates for attenuations of the analog signal caused by the cable based on equalization settings of a digital equalizer. A baseband analog filter can be selected based on an estimate calculated by the digital equalizer of difference in attenuation at different frequencies.

The invention discloses a high speed 1553 bus protocol processor which comprises a clock and reset management unit, a double manchester II type decoder unit, a multi-protocol processing core, a memory management unit, a file register and interrupt management unit, a host interface unit and a dual-port remedy check storage unit. The 1553 bus protocol processor provided by the invention is high in reliability, high in CPU access efficiency, low in power consumption, easy to realize, and can realize acceleration of the 1553 bus communication speed from 1Mbps to 10Mbps reliably under the premise of indistinctively improving the physical realization difficulty of the chip.

A brain machine interface for control of prosthetic devices is provided. In its control, the interface utilizes parallel control of a continuous decoder and a discrete action state decoder. In the discrete decoding, we not only learn states affiliated with the task, but also states related to the velocity of the prosthetic device and the engagement of the user. Moreover, we not only learn the distributions of the neural signals in these states, but we also learn the interactions / transitions between the states, which is crucial to enabling a relatively higher level of performance of the prosthetic device. Embodiments according to this parallel control system enable us to reliably decode not just task-related states, but any “discrete action state,” in parallel with a neural prosthetic “continuous decoder,” to achieve new state-of-the-art levels of performance in brain-machine interfaces.

Time signals transmitted by a time signal transmitter and received by a receiver are processed for gaining time information and for reducing demodulation errors to increase the demodulation certainty. For this purpose the following steps are performed in a time signal receiver: a) scanning of received time signals, b) storing of scanned values of the time signal, c) detecting from the scanned and stored values an amplitude change in said time signal, d) measuring the duration of any detected amplitude changes, e) evaluating the measured time durations relative to a predetermined time duration (Δt) and f) excluding from further processing amplitude changes that have a measured duration that is shorter than the predetermined duration. Amplitude changes of longer duration than (Δt) are demodulated and further processed. The receiver circuit is equipped to perform the foregoing steps, particularly in a radio-controlled clock.