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Polynomial

Polynomial-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Error locator polynomial decoder and method
Western Digital Technologies, Inc.
April 05, 2018 - N°20180097528

A decoder configured to decode a representation of the codeword includes an error locator polynomial generator circuit. The error locator polynomial circuit is configured to generate an error locator polynomial based on a decode operation that includes iteratively adjusting values of a first polynomial, a second polynomial, a third polynomial, and a fourth polynomial. The error locator polynomial circuit is ...
Methods for secure learning of parameters of a convolution neural network, and for secure input ...
Safran Identity & Security
April 05, 2018 - N°20180096248

A method for secure learning of parameters of a convolution neural network, cnn, for data classification includes the implementation, by data processing of a first server, including receiving from a second server a base of already classified learning data, the learning data being homomorphically encrypted; learning in the encrypted domain, from the learning database, the parameters of a reference cnn ...
Motion capture system that combines sensors with different measurement ranges
Blast Motion Inc.
April 05, 2018 - N°20180096199

Motion capture system with a motion capture element that uses two or more sensors to measure a single physical quantity, for example to obtain both wide measurement range and high measurement precision. For example, a system may combine a low-range, high precision accelerometer having a range of −24 g to +24 g with a high-range accelerometer having a range of −400 ...
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Data generating apparatus, data generating method, and data recording system
Ricoh Company, Ltd.
March 29, 2018 - N°20180088814

A data generating apparatus is provided that includes a memory storing a program and a processor configured to execute the program to implement processes of sequentially acquiring n sets of data (where n is an integer greater than or equal to 2) included in a predetermined section of time series data and calculating, based on the acquired data, parameter information satisfying ...
Piecewise polynomial evaluation instruction
Qualcomm Incorporated
March 22, 2018 - N°20180081634

A method includes retrieving, at a processor, a first instruction for performing a first piecewise horner's method operation for a polynomial and executing the first instruction. Executing the first instruction causes the processor to perform operations including accessing one or more look-up tables based on an interval of a first function input to determine a first coefficient of the polynomial ...
Method and apparatus for providing ordered sets of arbitrary percentile estimates for varying timespans
Sevone, Inc.
March 22, 2018 - N°20180081629

A method includes interpreting a number of distributed data sets including resource utilization values corresponding to a plurality of distributed hardware resources, creating an approximation of a number of distributions corresponding to the distributed data set, aggregating the created approximations, and the aggregating includes weighting values determined from each of the distributed data sets, such that the aggregated approximations are ...
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3d building extraction apparatus, method and system
The Chinese University Of Hong Kong
March 15, 2018 - N°20180075319

Disclosed is a method for 3d building extraction, comprising: extracting building footprints from one or more stereo images for a building; determining, from rational polynomial coefficient of the stereo images, first height estimation of the extracted building footprints; obtaining, from multi-temporal sar images for the building, scatters with stable attributes; determining second height estimation for the determined scatters; and combining ...
Determination of cd and/or md variations from scanning measurements of a sheet of material
Abb Schweiz Ag
March 15, 2018 - N°20180073196

Cd variations and/or md variations in scan measurements are determined from spectral components of power spectra of scan measurements taken using two or more scanning speeds. Dominant spectral components having the same spatial frequencies identify cd variations and dominant spectral components having the same temporal frequencies identify md variations. Dominant spectral components are extracted from a noisy power spectrum (...
Generating cryptographic checksums
Telefonaktiebolaget Lm Ericsson (publ)
March 08, 2018 - N°20180069706

A method (400) of generating a cryptographic checksum for a message m(x) is provided. The method is performed by a communication device, such as a sender or a receiver, and comprises calculating (405) the cryptographic checksum as a first function g of a division of a second function of m(x), f(m(x)), modulo a generator polynomial p(x) of ...
Encoding method, decoding method
Sun Patent Trust
March 01, 2018 - N°20180062667

An encoding method generates an encoded sequence by performing encoding of a given coding rate according to a predetermined parity check matrix. The predetermined parity check matrix is a first parity check matrix or a second parity check matrix. The first parity check matrix corresponds to a low-density parity check (ldpc) convolutional code using a plurality of parity check polynomials. ...
Temperature compensation for structured light depth imaging system
Microsoft Technology Licensing, Llc
March 01, 2018 - N°20180061056

Disclosed are an apparatus and a method of compensating temperature shifts of a structured light pattern for a depth imaging system. In some embodiments, a depth imaging device includes a light source, an imaging sensor and a processor. The light source emits light corresponding to a pattern. A temperature drift of the light source can cause a shift of the ...
Low-latency decoder for reed solomon codes
Marvell World Trade Ltd.
March 01, 2018 - N°20180060160

A decoder includes a syndrome calculator, a key equation solver (kes) and an error corrector. The syndrome calculator is configured to receive an n-symbol code word encoded using a reed solomon (rs) code to include (n−k) redundancy symbols, and to calculate for the code word 2t syndromes si, t=(n−k)/2 is a maximal number of correctable ...
Encrypting and decrypting information
Alibaba Group Holding Limited
February 22, 2018 - N°20180054299

An example information encryption method that includes acquiring to-be-encrypted information and converting the to-be-encrypted information into a polynomial of a predetermined format; extracting biometric information, and acquiring biometric data; and substituting the biometric data into the polynomial for calculation to acquire a value of the polynomial and using a two-dimensional dataset including the biometric data and the value of the ...
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Crc calculation circuit, semiconductor device, and radar system
Renesas Electronics Corporation
February 08, 2018 - N°20180041308

Provided is a crc calculation circuit capable of dealing with various types of generator polynomials with a simple configuration. A crc calculation circuit (100) includes a generator polynomial register (110) configured to store polynomial data, and a plurality of crc calculation units (120) connected in series and provided so as to correspond to the number of bits of input data. The crc calculation ...
Adaptive polynomial rendering
Disney Enterprises, Inc.
February 08, 2018 - N°20180040160

Embodiments can provide adaptive image filtering. Under this approach, image quality can be enhanced by adjusting an approximation function to better adapt image signals in different parts of an image. Certain parts of the image may be enhanced using a certain approximation function while some other parts of the image may be enhanced using a different approximation function. In certain ...
Public-key encryption system
Koninklijke Philips N.v.
February 01, 2018 - N°20180034630

A key generation device (100) configured to generate a public key (126) for use in a public key encryption device and a corresponding private key (114) for use in a private key decryption device, the key generation device comprising a private key generator (110) configured for obtaining in electronic form a private random value (112, s), and generating the private key (114), the private key comprising ...
Protecting polynomial hash functions from external monitoring attacks
Cryptography Research, Inc.
February 01, 2018 - N°20180034628

Systems and methods for protecting from external monitoring attacks cryptographic data processing operations involving computation of a universal polynomial hash function, such as ghash function. An example method may comprise: receiving an input data block, an iteration result value, and a mask value; performing a non-linear operation to produce a masked result value, wherein a first operand of the non-linear ...
Variable t bch encoding
Microsemi Solutions (u.s.), Inc.
February 01, 2018 - N°20180034483

A system for implementing variable t bch encoders includes: a polynomial multiplier for multiplying a message polynomial by a difference polynomial to achieve a first value, wherein the message polynomial comprises data bits as coefficients and the difference polynomial comprises minimal polynomials that are present in a t error correcting code and are absent from a t−Δt ...
Apparatuses and methods for interleaved bch codes
Micron Technology, Inc.
February 01, 2018 - N°20180034482

An example methods for interleaved bch codes can include encoding a plurality of portions of data using a first generator polynomial to obtain a plurality of respective bch codewords. The method can include encoding an additional bch codeword based at least in part on a second plurality of portions of data and the plurality of bch codewords using a second ...
Reed-solomon decoders and decoding methods
Indian Institute Of Science
February 01, 2018 - N°20180034481

Embodiments of the present disclosure provide a high speed low latency rate configurable soft decision and hard decision based pipelined reed-solomon (rs) decoder architecture suitable for optical communication and storage. The proposed rs decoder is a configurable rs decoder that is configured to monitor the channel and adjust code parameters based on channel capacity. The proposed rs decoder includes interpolation ...
Random path generation upon functional decomposition
Ecole Nationale De L'aviation Civile
February 01, 2018 - N°20180032836

A method of defining a path model from a set of realistic paths is provided, where each path in the set of realistic paths is expanded on piece-wise polynomial basis, and a respective centroid function and sequence of eigenfunctions calculated for each expanded representation. A set of principle paths representing the major variation of this set of paths is obtained ...
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