公开(公告)号：US12105754B2

公开(公告)日：2024-10-01

申请号：US18406840

申请日：2024-01-08

Applicant: Gracenote, Inc.

Inventor： Zafar Rafii ,  Prem Seetharaman

IPC: G06F16/68 ,  G06F16/61 ,  G06F17/14 ,  G10L25/27 ,  G10L25/51

CPC classification number: G06F16/686 ,  G06F16/61 ,  G06F17/14 ,  G10L25/27 ,  G10L25/51

Abstract: Example systems and methods are audio identification based on data structure are disclosed. An example apparatus includes memory, and one or more processors to execute instructions to execute a constant Q transform on query time slices of query audio, binarize the constant Q transformed query time slices, execute a two-dimensional Fourier transform on query time windows within the binarized and constant Q transformed query time slices to generate two-dimensional Fourier transforms of the query time windows, sequentially order the two-dimensional Fourier transforms in a query data structure, and identify the query audio as a cover rendition of reference audio based on a comparison between the query data structure and a reference data structure associated with the reference audio.

公开(公告)号：US12094469B2

公开(公告)日：2024-09-17

申请号：US17603690

申请日：2020-03-03

Applicant: JINGDONG TECHNOLOGY HOLDING CO., LTD.

Inventor： Li Fu ,  Xiaoxiao Li

IPC: G10L15/26 ,  G06F17/14 ,  G10L15/06 ,  G10L25/30

CPC classification number: G10L15/26 ,  G06F17/14 ,  G10L15/063 ,  G10L25/30

Abstract: A method for recognizing speech comprises: respectively setting initial values of a Chinese character coefficient and a Pinyin coefficient, generating a Chinese character mapping function according to the initial value of the Chinese character coefficient, and generating a Pinyin mapping function according to the initial value of the Pinyin coefficient (S101); training the Chinese character mapping function and the Pinyin mapping function using a plurality of preset training samples, calculating training results as parameters of a joint loss function, and generating a target mapping function according to calculation results (S102); and recognizing, according to the target mapping function, speech to be recognized, so as to obtain a Chinese character recognition result and a Pinyin recognition result of the speech to be recognized (S103). The method reduces the cost of speech recognition while ensuring the accuracy of speech recognition.

公开(公告)号：US12019185B2

公开(公告)日：2024-06-25

申请号：US16848818

申请日：2020-04-14

Applicant: SiLC Technologies, Inc.

Inventor： Majid Boloorian ,  Mehdi Asghari ,  Dazeng Feng ,  Bradley Jonathan Luff

IPC: G01S7/48 ,  G01S7/481 ,  G06F17/14

CPC classification number: G01S7/4815 ,  G01S7/4808 ,  G06F17/14

Abstract: A LIDAR system concurrently outputs multiple LIDAR output signals that concurrently illuminate the same sample region in a field of view for a data period. The sample region is one of multiple sample regions included in the field of view. The LIDAR system also includes electronics that use the multiple LIDAR output signals to generate LIDAR data for the sample region. The LIDAR data includes a distance and/or a radial velocity between the LIDAR system and an object that reflects the LIDAR output signals.

公开(公告)号：US20240193410A1

公开(公告)日：2024-06-13

申请号：US18221068

申请日：2023-07-12

Applicant: Lightelligence PTE. Ltd.

Inventor： Yichen Shen ,  Huaiyu Meng ,  Li Jing ,  Rumen Dangovski ,  Peng Xie ,  Matthew Khoury ,  Cheng-Kuan Lu ,  Ronald Gagnon ,  Maurice Steinman ,  Jianhua Wu ,  Arash Hosseinzadeh

IPC: G06N3/067 ,  G02F1/00 ,  G02F1/225 ,  G02F3/02 ,  G06E1/04 ,  G06E3/00 ,  G06F17/14 ,  G06F17/16 ,  G06N3/08

CPC classification number: G06N3/0675 ,  G02F1/00 ,  G02F3/024 ,  G06E1/045 ,  G06E3/005 ,  G06E3/006 ,  G06E3/008 ,  G06F17/14 ,  G06F17/16 ,  G06N3/08 ,  G02F1/225

Abstract: Systems and methods that include: providing input information in an electronic format; converting at least a part of the electronic input information into an optical input vector; optically transforming the optical input vector into an optical output vector based on an optical matrix multiplication; converting the optical output vector into an electronic format; and electronically applying a non-linear transformation to the electronically converted optical output vector to provide output information in an electronic format.
In some examples, a set of multiple input values are encoded on respective optical signals carried by optical waveguides. For each of at least two subsets of one or more optical signals, a corresponding set of one or more copying modules splits the subset of one or more optical signals into two or more copies of the optical signals. For each of at least two copies of a first subset of one or more optical signals, a corresponding multiplication module multiplies the one or more optical signals of the first subset by one or more matrix element values using optical amplitude modulation. For results of two or more of the multiplication modules, a summation module produces an electrical signal that represents a sum of the results of the two or more of the multiplication modules.

公开(公告)号：US20240088657A1

公开(公告)日：2024-03-14

申请号：US18019873

申请日：2022-09-19

Applicant: SOOCHOW UNIVERSITY

Inventor： Rong CHEN ,  Yong YANG ,  Mingdi FAN

IPC: H02J3/24 ,  G06F17/14 ,  H02J13/00

CPC classification number: H02J3/24 ,  G06F17/14 ,  H02J13/00002

Abstract: The present application provides a fractional domain noise reduction method for a power signal, including: S1: estimating an optimal fractional Fourier transform angle {circumflex over (α)}0 of an original signal x(t); S2: calculating fractional Fourier transform of the original signal under the optimal fractional Fourier transform angle to obtain X{circumflex over (α)}0 (u); S3: performing band-pass filtering in an optimal fractional Fourier transform domain to obtain X{circumflex over (α)}0 (u)H(u); S4: calculating fractional Fourier transform of X{circumflex over (α)}0 (u)H(u) at an angle of −X{circumflex over (α)}0 and S5: judging whether {circumflex over (α)}0 is equal to π/2, if yes, ending the noise reduction, and if no, eliminating a recovered signal component x(t)=x(t)−X{circumflex over (α)}0(u)H(u), and then repeating the steps S1 to S5 again until the estimated optimal FRFT rotation angle is equal to π/2. The present application is not only suitable for a transient stationary disturbance signal, but also suitable for a transient non-stationary disturbance signal, such as linear frequency modulation interference.

公开(公告)号：US11921242B2

公开(公告)日：2024-03-05

申请号：US17506554

申请日：2021-10-20

Applicant: STMICROELECTRONICS S.r.l.

Inventor： Davide Ruggiero ,  Rosario Schiano Lo Moriello ,  Annalisa Liccardo ,  Giuseppe Caiazzo

IPC: G01S7/527 ,  G01S15/10 ,  G06F17/14

CPC classification number: G01S7/5273 ,  G01S15/101 ,  G06F17/14

Abstract: A method for providing an estimate of a time-of-flight between an ultrasonic signal emitted by a device and an ultrasonic echo signal returned by a target object hit by the ultrasonic signal and received at the device. The method includes acquiring the ultrasonic echo signal thereby obtaining an electric echo signal; determining a noise power of the electric echo signal; determining an envelope signal indicative of an envelope of the electric echo signal; determining a portion of the envelope signal based on at least one operative parameter, the at least one operative parameter being determined according to Particle Swarm Optimization; processing the portion of the envelope signal and the noise power of the echo ultrasonic signal according to an Unscented Kalman Filter to obtain an estimate of the envelope signal, wherein the estimate of the envelope signal is a regenerated version of the envelope signal being regenerated from the portion of the envelope signal, the processing being based on at least one Unscented Kalman Filter parameter determined according to the Particle Swarm Optimization, and providing the estimate of the time-of-flight according to the estimate of the envelope signal.

公开(公告)号：US11899374B2

公开(公告)日：2024-02-13

申请号：US17047441

申请日：2019-04-16

Applicant: ASML NETHERLANDS B.V.

Inventor： Xingyue Peng ,  Jingjing Liu

IPC: G06F7/20 ,  G03F7/00 ,  G06F17/14

CPC classification number: G03F7/705 ,  G06F17/14

Abstract: A method for determining electromagnetic fields associated with a mask model of a patterning process. The method includes obtaining a mask stack region of interest and an interaction order corresponding to the mask stack region of interest. The mask stack region of interest is divided into sub regions. The mask stack region of interest has one or more characteristics associated with propagation of electromagnetic waves through the mask stack region of interest. The method includes generating one or more electromagnetic field determination expressions based on the Maxwell Equations and the Quantum Schrodinger Equation. The method includes determining an electromagnetic field associated with the mask stack region of interest based on the sub regions of the mask stack region of interest and the characteristics associated with the propagation of electromagnetic waves through the mask stack region of interest, using the one or more electromagnetic field determination expressions.

公开(公告)号：US20240048352A1

公开(公告)日：2024-02-08

申请号：US18322339

申请日：2023-05-23

Applicant: ALIBABA (CHINA) CO., LTD.

Inventor： XUANLE REN ,  ZHEN GU

IPC: H04L9/00 ,  G06F7/72 ,  G06F7/544 ,  G06F17/14 ,  H04L9/06

CPC classification number: H04L9/008 ,  G06F7/722 ,  G06F7/5443 ,  G06F17/14 ,  H04L9/0618

Abstract: A multiplication unit includes first, second, third and fourth receiving terminals, arithmetic units and multiplexers. In complex number mode, the first and second receiving terminals receive a real part value and an imaginary part value of a first complex number, respectively, whereas the third and fourth receiving terminals receive a real part value and an imaginary part value of a second complex number, respectively. In modulus mode, the first and third receiving terminals receive first and second integers, respectively. The multiplexers gate the arithmetic units to perform a complex number multiplication operation according to the first and second complex numbers to generate a third complex number in complex number mode and perform a modulus multiplication operation according to the first and second integers and a predetermined modulus to generate a third integer in modulus mode.

公开(公告)号：US11809513B2

公开(公告)日：2023-11-07

申请号：US17380077

申请日：2021-07-20

Applicant: Seiko Epson Corporation

Inventor： Masayoshi Todorokihara

IPC: G06F17/15 ,  G06F17/14

CPC classification number: G06F17/15 ,  G06F17/14

Abstract: A signal processing method includes: a processing target signal generation step of generating a processing target signal that is a time-series signal, based on a source signal that is a time-series signal corresponding to a physical quantity generated in a steady state of a target object; and a correlated signal generation step of performing correlation filter processing between a template signal that is a time-series signal generated based on the source signal, and the processing target signal, and generating a correlated signal that is a time-series signal.

公开(公告)号：US20230334116A1

公开(公告)日：2023-10-19

申请号：US18118252

申请日：2023-03-07

Applicant: IONQ, INC.

Inventor： Reinhold BLUMEL ,  Yunseong NAM ,  Andrii MAKSYMOV

IPC: G06F17/14 ,  G06N10/40

CPC classification number: G06F17/14 ,  G06N10/40

Abstract: A method of performing a quantum computation process includes computing first Fourier coefficients of a first pulse function of a first control pulse and second Fourier coefficients of a second pulse function of a second control pulse based on a condition for closure of phase space trajectories and a condition for stabilization of phase-space closure, and computing a first linear combination of the computed first Fourier coefficients and a second linear combination of the computed second Fourier coefficients based on a condition for non-zero degree of entanglement, a condition for stabilization of the degree of entanglement, and a condition for minimized power, applying the first control pulse having the computed first pulse function to a first trapped ion of a pair of trapped ions, and the second control pulse having the computed second pulse function to a second trapped ion of a pair of trapped ions.