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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 21. Отображено 18.
09-06-2022 дата публикации

Integrated circuit, and digital fingerprint generation circuit and method thereof

Номер: US20220180001A1
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

A digital fingerprint generation circuit based on an integrated circuit is provided. In the digital fingerprint generation circuit, a control unit is configured to: generate a first control word and a second control word, and transmit the first control word and the second control word to a first clock generator and a second clock generator respectively, so that the first clock generator generates a first clock signal based on the first control word, and the second clock generator generates a second clock signal based on the second control word; and a frequency detector generates a digital fingerprint of the integrated circuit based on the first clock signal and the second clock signal.

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Номер записи: 1
15-09-2022 дата публикации

IMAGE PROCESSING METHOD AND APPARATUS, AND DEVICE, STORAGE MEDIUM, AND IMAGE SEGMENTATION METHOD

Номер: US20220292805A1
Автор: BAI Yiming, Feng Jie, Mu Yadong, OU Ge, TIAN Guiyu, WANG Shuai, Wei Xiangye, Wu Qiong
Принадлежит:

An image processing method and apparatus, and a device and a computer-readable storage medium. The method comprises: acquiring an image data set, wherein the image data set includes an image and accompanying text related to an unknown category in the image (S); and generating a probability and/or distribution of the unknown category by means of an unknown category acquisition model (S); wherein the probability and/or distribution of the unknown category comprises the probability of each pixel in the image being from the unknown category, the probability of the unknown category being present in the image, and a partitioning probability after the image is subdivided into a plurality of areas. By means of the method, a large amount of human labor costs and time can be saved on. 1. An image processing method , comprising:obtaining an image dataset, the image dataset comprising an image and an accompanying text related to an unseen class in the image; andgenerating, based on the image dataset, a probability and/or distribution of the unseen class using an unseen class obtaining model, the probability and/or distribution of the unseen class comprising a probability that each pixel in the image is from the unseen class, a probability that the unseen class is present in the image, and a regional probability after the image is subdivided into a plurality of regions.2. The image processing method of claim 1 , wherein claim 1 ,the unseen class obtaining model comprises a local branch, a semi-global branch, and a global branch,wherein the local branch is configured to generate the probability that each pixel in the image is from the unseen class based on annotation information of a seen class, the global branch is configured to generate the probability that the unseen class is present in the image based on the accompanying text, the semi-global branch is configured to generate the regional probability after the image is subdivided into the plurality of regions based on the ...

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Номер записи: 2
29-09-2022 дата публикации

TIME SYNCHRONIZATION METHOD AND DEVICE, NETWORK NODE DEVICE

Номер: US20220311529A1
Автор: BAI Yiming, Wei Xiangye, Xiu Liming
Принадлежит:

There is provided a time synchronization method, including: an adjustment stage including N adjustment cycles, N being an integer greater than 1; in each adjustment cycle, generating a physical clock signal at least according to a pre-acquired frequency control word corresponding to the adjustment cycle, and obtaining logical time at least according to the physical clock signal and a physical time deviation; a clock slope of the physical clock signal generated in each adjustment cycle reaches its corresponding target value, and the target values of the clock slopes of the physical clock signals in the N adjustment cycles gradually approach 1; the physical time deviation is: a time difference between the reference time and the physical time corresponding to the physical clock signal in an Nth adjustment cycle at the end of the Nth adjustment cycle. A time synchronization device and a network node device are provided. 1. A time synchronization method , comprising: an adjustment stage comprising N adjustment cycles , N being an integer greater than 1;in each adjustment cycle, generating a physical clock signal at least according to a pre-acquired frequency control word corresponding to the adjustment cycle, and obtaining logical time at least according to the physical clock signal and a physical time deviation;wherein a clock slope of the physical clock signal generated in each adjustment cycle reaches its corresponding target value, and the target values of the clock slopes of the physical clock signals in the N adjustment cycles gradually approach 1 from a first adjustment cycle to an Nth adjustment cycle; the clock slope is a slope of a relationship curve between physical time generated based on the physical clock signal and reference time; and the physical time deviation is: a time difference between the reference time and the physical time corresponding to the physical clock signal in the Nth adjustment cycle at the end of the Nth adjustment cycle.2. The time ...

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Номер записи: 3
29-09-2022 дата публикации

Optical communication apparatus, optical communication system and method

Номер: US20220311606A1
Автор: Liming Xiu, Xiangye Wei, Xin Li, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

The optical communication apparatus includes a random number generator, a first key manager, a first encryption and decryption device, a driver and a transmitter. The random number generator is configured to generate a random number based on a time frequency. The first key manager is configured to generate a first key based on the random number, store and manage the first key and a second key obtained from an outside. The first encryption and decryption device is configured to encrypt the first key according to the second key to obtain a first encrypted key, and is configured to encrypt initial communication data according to the first key to obtain encrypted data. The driver is configured to obtain the encrypted data and encode the encrypted data into a visible light emission instruction. The first transmitter is configured to receive the visible light emission instruction and emit first visible light.

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Номер записи: 4
05-08-2021 дата публикации

Parameter determination method and device for spread spectrum circuit, and clock spread spectrum method and device

Номер: US20210242874A1
Автор: Liming Xiu, Xiangye Wei, Yiming Bai, Yuhai Ma
Принадлежит: BOE Technology Group Co Ltd

A parameter determination method for a spread spectrum circuit, a clock spread spectrum method, a parameter determination device for a spread spectrum circuit, and a clock spread spectrum device are disclosed. The parameter determination method for the spread spectrum circuit includes: obtaining a base time unit and a target frequency; determining a spread spectrum depth coefficient according to the base time unit and the target frequency; determining whether the spread spectrum depth coefficient is greater than or equal to a base spread spectrum depth coefficient; if yes, determining the spread spectrum depth coefficient as a standard spread spectrum depth coefficient and determining a standard frequency control word according to the standard spread spectrum depth coefficient; and if no, adjusting the base time unit until a corresponding spread spectrum depth coefficient corresponding to the base time unit is greater than or equal to the base spread spectrum depth coefficient.

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Номер записи: 5
12-01-2023 дата публикации

ELECTRONIC APPARATUS, AND METHOD FOR DISPLAYING IMAGE ON DISPLAY DEVICE

Номер: US20230010947A1
Автор: BAI Yiming, Feng Jie, GONG Guoqiang, Mu Yadong, OU Ge, WANG Shuai, Wei Xiangye, Wu Qiong, ZHUANG Nan
Принадлежит:

Disclosed are an electronic apparatus, and a method for displaying an image on a display device. The electronic apparatus comprises: a display device; an image acquisition device, which is configured to acquire a surrounding image of the display device; and a processor, which is configured to determine a background image of the display device according to the surrounding image, acquire a target range, and a target object in the background image, determine a target image according to the background image, the target range and the target object, and control the display device to display the target image, wherein the target image does not include the target object.

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Номер записи: 6
24-10-2023 дата публикации

Time synchronization method and device, network node device

Номер: US11799578B2
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

This is provided a time synchronization method, including: an adjustment stage including N adjustment cycles, N being an integer greater than 1; in each adjustment cycle, generating a physical clock signal at least according to a pre-acquired frequency control word corresponding to the adjustment cycle, and obtaining logical time at least according to the physical clock signal and a physical time deviation; a clock slope of the physical clock signal generated in each adjustment cycle reaches its corresponding target value, and the target values of the clock slopes of the physical clock signals in the N adjustment cycles gradually approach 1; the physical time deviation is: a time difference between the reference time and the physical time corresponding to the physical clock signal in an Nth adjustment cycle at the end of the Nth adjustment cycle. A time synchronization device and a network node device are provided.

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Номер записи: 7
09-01-2024 дата публикации

Digital fingerprint generator and method for generating digital fingerprint

Номер: US11868511B2
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

Provided is a digital fingerprint generator. The digital fingerprint generator includes: a control circuit, configured to generate a control word; a first pulse generation circuit, connected to the control circuit, and configured to output a first pulse signal in response to the control word; a second pulse generation circuit, connected to the control circuit, having a same structure as the first pulse generation circuit, and configured to output a second pulse signal in response to the control word; and an output circuit, connected to the first pulse generation circuit and the second pulse generation circuit, and configured to output a digital fingerprint based on the first pulse signal and the second pulse signal according to a predetermined first rule.

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Номер записи: 8
09-03-2023 дата публикации

Digital fingerprint generator and method for generating digital fingerprint

Номер: US20230070146A1
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

The present disclosure provides a digital fingerprint generator and a digital fingerprint generation method. The digital fingerprint generator comprises: a control circuit, generating a control word; a first pulse generation circuit, connected to the control circuit, and outputting a first pulse signal in response to the control word; a second pulse generation circuit, connected to the control circuit and having the same structure as the first pulse generation circuit, and outputting a second pulse signal in response to the control word; the first pulse signal and the second pulse signal respectively comprising a first frequency signal and a second frequency signal, and a probabilities of occurrence of the first frequency signal and the second frequency signal being controlled by the control word; and an output circuit, respectively connected to the first pulse generation circuit and the second pulse generation circuit, and outputting a digital fingerprint on the basis of the first pulse signal and the second pulse signal according to a preset first rule.

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Номер записи: 9
06-02-2024 дата публикации

Integrated circuit, and digital fingerprint generation circuit and method thereof

Номер: US11893142B2
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

A digital fingerprint generation circuit based on an integrated circuit is provided. In the digital fingerprint generation circuit, a control unit is configured to: generate a first control word and a second control word, and transmit the first control word and the second control word to a first clock generator and a second clock generator respectively, so that the first clock generator generates a first clock signal based on the first control word, and the second clock generator generates a second clock signal based on the second control word; and a frequency detector generates a digital fingerprint of the integrated circuit based on the first clock signal and the second clock signal.

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Номер записи: 10
14-03-2024 дата публикации

Optical communication device, optical communication system, and method for establishing communication connection

Номер: US20240089003A1
Автор: Liming Xiu, Xiangye Wei, Xin Li, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

An optical communication device, an optical communication system, and a method for establishing a communication connection are provided, relating to communications technology. In the optical communication device, the first driving circuit can control, based on the generated first target plaintext, the optical signal transmitting circuit to transmit the first optical signal, and control, based on the generated first key, the optical signal transmitting circuit to transmit the second optical signal. That is, an optical communication device that detects the optical signals can establish, based on the optical signals, a communication connection with the optical communication device that transmits the optical signals.

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Номер записи: 11
08-02-2024 дата публикации

Interactive authentication method, system, computer device, and non-volatile readable storage medium

Номер: US20240048540A1
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

Provided is an interactive authentication method, applicable to a transmitter. The transmitter is communicatively connected to a receiver. The authentication method includes: generating a first challenge and transmitting the first challenge to the receiver; receiving a response from the receiver, wherein the response comprises first identity authentication information and a second challenge, the first identity authentication information and the second challenge being encrypted using a first identity authentication key; generating, based on the first challenge, a second identity authentication key and second identity authentication information; and decrypting the first identity authentication information using the second identity authentication key, and performing identity authentication by matching the decrypted first identity authentication information with the second identity authentication information.

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Номер записи: 12
23-11-2022 дата публикации

Time synchronization method and apparatus, and network node device

Номер: EP4093101A1
Автор: Liming Xiu, Xiangye Wei, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

Embodiments of the present disclosure provide a time synchronization method, including: an adjustment stage including N adjustment cycles, N being an integer greater than 1; in each adjustment cycle, generating a physical clock signal at least according to a pre-acquired frequency control word corresponding to the adjustment cycle, and obtaining logical time at least according to the physical clock signal and a physical time deviation; a clock slope of the physical clock signal generated in each adjustment cycle reaches its corresponding target value, and the target values of the clock slopes of the physical clock signals in the N adjustment cycles gradually approach 1; the clock slope is a slope of a relationship curve between physical time generated based on the physical clock signal and reference time; and the physical time deviation is: a time difference between the reference time and the physical time corresponding to the physical clock signal in an Nth adjustment cycle at the end of the Nth adjustment cycle. Embodiments of the present disclosure also provide a time synchronization device and a network node device.

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Номер записи: 13
04-06-2024 дата публикации

Electronic apparatus, and method for displaying image on display device

Номер: US12001746B2
Автор: Ge Ou, Guoqiang Gong, Jie Feng, Nan Zhuang, Qiong Wu, Shuai Wang, Xiangye Wei, Yadong Mu, Yiming Bai
Принадлежит: BOE Technology Group Co Ltd, PEKING UNIVERSITY

An electronic apparatus and a method for displaying an image on a display device are disclosed. The electronic apparatus includes a display device; an image acquisition device configured to acquire a surrounding image of the display device; and a processor configured to: determine a background image of the display device according to the surrounding image; acquire a target range and a target object in the background image; determine a target image according to the background image, the target range and the target object; and control the display device to display the target image, wherein the target image excludes the target object.

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Номер записи: 14
28-11-2023 дата публикации

Clock signal generation circuit and method, and electronic device

Номер: US11831321B2
Автор: Aixiang QI, Jie Feng, Kening ZHAO, Shuai Wang, Xiangye Wei, Yiming Bai
Принадлежит: BOE Technology Group Co Ltd

Provided is a clock signal generation circuit. The clock signal generation circuit includes a control word generation circuit, an initial clock generation circuit and a spread spectrum clock generation circuit, wherein the control word generation circuit is connected to the initial clock generation circuit and the spread spectrum clock generation circuit; the initial clock generation circuit is further connected to the spread spectrum clock generation circuit.

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Номер записи: 15
31-08-2022 дата публикации

Digital clock circuit for generating high-ratio frequency multiplication clock signal

Номер: EP4049370A1
Автор: Liming Xiu, Xiangye Wei, Xin Li, Yiming Bai
Принадлежит: Beijing BOE Technology Development Co Ltd, BOE Technology Group Co Ltd

A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.

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Номер записи: 16
16-07-2024 дата публикации

Image processing method, apparatus, and computer product for image segmentation using unseen class obtaining model

Номер: US12039766B2
Автор: Ge Ou, Guiyu Tian, Jie Feng, Qiong Wu, Shuai Wang, Xiangye Wei, Yadong Mu, Yiming Bai
Принадлежит: BOE Technology Group Co Ltd, PEKING UNIVERSITY

The present disclosure provides an image processing method, apparatus, device, and computer-readable storage medium. The method includes: obtaining an image dataset, the image dataset including an image and an accompanying text related to an unseen class in the image; and generating a probability and/or distribution of the unseen class using an unseen class obtaining model, the probability and/or distribution of the unseen class including a probability that each pixel in the image is from the unseen class, a probability that the unseen class is present in the image, and a regional probability after the image is subdivided into a plurality of regions.

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Номер записи: 17
18-07-2024 дата публикации

Random number generator and random number generating method

Номер: US20240241696A1
Автор: Ming Zhao, Shengyi He, WEI Hu, Xiangye Wei, Xinyu Zhou, Yimao Cai, Yiming Bai
Принадлежит: BOE Technology Group Co Ltd, PEKING UNIVERSITY

A random number generator includes: a random number generating circuit used for generating a pulse signal based on a control word and generating a random number signal according to the pulse signal, the pulse signal including a first frequency signal and a second frequency signal that appear alternately, and proportions of the first frequency signal and the second frequency signal being controlled by the control word; and a feedback update circuit used for updating the control word based on the random number signal output by the random number generating circuit.

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Номер записи: 18