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Polynomial

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


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NEW Scatter simulation with a radiative transfer equation using direct integral spherical harmonics method for computed ...
Toshiba Medical Systems Corporation
January 18, 2018 - N°20180014806

A method and apparatus is provided to calculate scatter using a method to determine primary x-ray flux, first-scatter flux, and multiple-scatter flux using an integral formulation of a radiative transfer equation and using spherical-harmonic expansion. The integral for the primary x-ray flux does not include a spherical-harmonic expansion. The integral for the first-scatter flux includes an angle-dependent scatter cross-section. The ...
Model-based control system and method for tuning power production emissions
General Electric Company
January 11, 2018 - N°20180013293

A model-based control system is configured to select a desired parameter of a machinery configured to produce power and to output emissions and to select an emissions model configured to use the desired parameter as input and to output an emissions parameter. The model-based control system is additionally configured to tune the emissions model via a tuning system to derive ...
Pattern recognition device, pattern recognition method, and computer program product
Toshiba Digital Solutions Corporation
January 11, 2018 - N°20180012108

According to an embodiment, a pattern recognition device recognizes a pattern of an input signal by converting the input signal to a feature vector and matching the feature vector with a recognition dictionary. The recognition dictionary includes a dictionary subspace basis vector for expressing a dictionary subspace which is a subspace of a space of the feature vector, and a ...
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Methods and apparatus for performing reed-solomon encoding by lagrangian polynomial fitting
Altera Corporation
January 04, 2018 - N°20180006664

An integrated circuit for implementing a reed-solomon encoder circuit is provided. The encoder circuit may include partial syndrome calculation circuitry and matrix multiplication circuitry. The partial syndrome calculation circuitry may receive a message and generate corresponding partial syndromes. The matrix multiplication circuitry may receive the partial syndromes and may compute parity check symbols by multiplying the partial syndromes by predetermined ...
Simultaneous multi-effect oscillator compensation using piecewise interdependent polynomials
Greenray Industries, Inc.
January 04, 2018 - N°20180006654

A packaged vctcxo may include a crystal oscillator configured to output a signal of a particular frequency and a temperature sensor configured to measure an internal temperature of the crystal oscillator. In addition, the packaged vctcxo may include a microcontroller configured to generate an internal control voltage signal based at least in part on the temperature and an external control ...
Simultaneous estimation of respiratory parameters by regional fitting of respiratory parameters
Koninklijke Philips N.v.
January 04, 2018 - N°20180001041

A medical ventilator (10) performs a method including: receiving measurements of pressure of air inspired by or expired from a ventilated patient (12) operatively connected with the medical ventilator; receiving measurements of air flow into or out of the ventilated patient operatively connected with the medical ventilator; dividing a breath time interval into a plurality of fitting regions (60); and simultaneously estimating respiratory ...
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Polynomial-based homomorphic encryption
Fujitsu Limited
December 28, 2017 - N°20170373834

A method includes generating a secret key for encryption and decoding data. The method includes identifying a set of data in plaintext format. The method further includes converting, by a processing device, the data in plaintext format to ciphertext using a polynomial. The method also includes sending the ciphertext to a remote device for data processing, wherein the remote device ...
Table data recovering in case of image distortion
Abbyy Development Llc
December 28, 2017 - N°20170372156

The subject matter of this specification can be implemented in, among other things, a method that includes identifying edges of a section of a document in a source image that includes at least one row of text. The method includes identifying characters in the document. The method includes identifying word portions. The method includes generating polynomials that approximate points of ...
Low-area fixed-point polynomials
Imagination Technologies Limited
December 28, 2017 - N°20170371621

Methods of implementing fixed-point polynomials in hardware logic include distributing a defined error bound for the whole polynomial between operators in a data-flow graph for the polynomial by solving an optimization problem that outputs an accuracy parameter and a precision parameter for each node. Each operator is then itself optimized to satisfy the part of the error bound allocated to ...
Secondary reflectors for solar collectors and methods of making the same
Alliance For Sustainable Energy, Llc
December 28, 2017 - N°20170370618

An aspect of the present disclosure is a device that includes a reflecting surface having a length aligned along a first axis (z), where a cross-section of the reflecting surface in a plane perpendicular to the first axis (z) forms a curve comprising a concave section positioned between a first endpoint and a second endpoint, at least a portion of ...
Authentication via group signatures
International Business Machines Corporation
December 21, 2017 - N°20170366358

Methods and systems are provided for authenticating a message μ, at a user computer of a group signature scheme, to a verifier computer. The method includes, at the user computer, storing a user id m for the user computer and a user signing key which comprises a signature on the user id m under a secret key of a ...
Systems and methods for planning paths to guide robots
Hypertherm, Inc.
December 21, 2017 - N°20170364076

A computer-implemented method is provided for guiding a robot in a robotic system, by creating a refined path, based on an initial path in a three-dimensional space. The method includes receiving data related to creating the initial path, including a start point and an endpoint, and generating the initial path by interpolating the start point and the endpoint. The method ...
Mask blank substrate, mask blank, and methods for manufacturing them, method for manufacturing transfer mask, ...
Hypertherm, Inc.
December 21, 2017 - N°20170363952

A virtual surface shape, which is an optically effective flat reference surface shape defined by a zernike polynomial, is determined, wherein the zernike polynomial is composed of only terms in which the order of variables related to a radius is second or lower order and includes one or more terms in which the order of the variables related to a ...
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Multi charged-particle beam writing apparatus and adjustment method for the same
Nuflare Technology, Inc.
December 14, 2017 - N°20170358425

In one embodiment, a multi charged-particle beam writing apparatus includes a plurality of blankers switching between on and off state of a corresponding beam among multiple beams, a main deflector deflecting beams having been subjected to blanking deflection to a writing position of the beams in accordance with movement of a stage, a detector scanning a mark on the stage ...
Privacy-preserving genomic prediction
Microsoft Technology Licensing, Llc
December 14, 2017 - N°20170357749

The techniques and/or systems described herein are directed to improvements in genomic prediction using homomorphic encryption. For example, a genomic model can be generated by a prediction service provider to predict a risk of a disease or a presence of genetic traits. Genomic data corresponding to a genetic profile of an individual can be batch encoded into a plurality ...
Propeller blade beta twist
Gopro, Inc.
December 14, 2017 - N°20170355454

A propeller blade comprises a blade root coupled to a rotor hub and a blade tip. The propeller blade is composed of airfoil cross-sections, each cross-section a distance away from the rotor hub. Each airfoil is designed with particular structural characteristics that improve the overall amount of thrust generated on the quadcopter. Namely, each airfoil possesses a β angle ...
Fisheye rendering with lens distortion correction for 360-degree video
Qualcomm Incorporated
November 30, 2017 - N°20170345136

In various implementations, provided are systems and methods for correcting the distortion present in a fisheye image, and rendering the image for display as 360-degree video. In various implementations, a computing device can receive 2-dimensional video data captured by an omnidirectional camera. The computing device can map an image from each video frame to a 3-dimensional hemispherical representation. In various ...
Methods and systems for setting a system of super conducting qubits having a hamiltonian representative ...
1qb Information Technologies Inc.
November 30, 2017 - N°20170344898

Described herein are methods, systems, and media for setting a system of superconducting qubits having a hamiltonian representative of a polynomial on a bounded integer domain via bounded-coefficient encoding. The method comprises: obtaining the polynomial on the bounded integer domain and integer encoding parameters; computing bounded-coefficient encoding using the integer encoding parameters; recasting each integer variable as a linear function ...
System and method for voltage-controlled oscillator calibration
Maxlinear Asia Singapore Pte Ltd
November 16, 2017 - N°20170331482

A system and method for calibrating a voltage-controlled oscillator (vco) having both fine-tuning control and coarse-tuning control. The vco frequency can vary monotonically with changes in each of one or more operational conditions. The calibration method determines the coarse-tuning control setting for the vco at system start-up. The method comprises generating frequency characterization data, generating a polynomial function from the ...
Apparatus and method for validating transactional data
Maxlinear Asia Singapore Pte Ltd
November 16, 2017 - N°20170330290

The invention creates a single use authentication code from (1) predefined unencrypted data from at least one tax form, (2) primary keys, and (3) a secondary key generated from metadata correlated to the input of the unencrypted data, the above elements being used by a data encryption circuit having a polynomial integer encryption (pie) engine, to generate the authentication code. The authentication code ...
Estimating risk to a computer network from a high risk failure that occurred on a ...
International Business Machines Corporation
November 16, 2017 - N°20170329661

First and second tchebychev polynomial curves are generated and pass through first and second data points representing previous failures of a first and second computer system of a computer network, respectively. The coordinates of each first and second data point denote a time of occurrence of the failure of the first and second computer system and a severity of the ...
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