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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 10. Отображено 10.
02-05-2023 дата публикации

Transform-based traffic scene small sample target detection method and device

Номер: CN116052108A
Автор: TIAN YAN, ZOU NINGJIE, HU JIAYU, ZHU YUNFANG, JIANG ZHAOYI, WANG XUN
Принадлежит:

The invention discloses a traffic scene small sample target detection method and device based on Transform, and the method comprises the steps: retraining an existing target detection model, designing a multi-head self-attention mechanism in a Transform encoder, achieving pseudo-class embedding to associate samples of the same class and distinguish samples of different classes, and being capable of detecting a new class of a support set, and improving the detection accuracy. The problem of inaccurate generation of the candidate region in the small sample target detection task is improved; the Transform decoder makes the detector easy to train and strong in generalization ability by using pseudo-class information embedding, and solves the problems that a small sample target detection task is difficult to learn and easy to over-fit. Compared with other advanced methods, the method has considerable competitiveness.

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Номер записи: 1
17-06-2015 дата публикации

Three-dimensional model transmission method based on user designated error precision

Номер: CN104715495A
Автор: YANG BAILIN, XIE BINBO, JIN JIANQIU, WANG XUN, JIANG ZHAOYI
Принадлежит:

The invention discloses a three-dimensional model transmission method based on user designated error precision. The method comprises the steps that firstly, a user designates a visual error and a low frequency error of a model needing to be transmitted on a client; then, a server conducts Laplacian conversion on geometric data of the model, wherein the converted coordinates are called as delta-coordinates; then, according to the visual error selected by the user, the delta-coordinates are quantified correspondingly; then the function relationship between a parameter nu and the low frequency error of the model is built by selecting anchor points of two different values of the parameter nu, and the number of anchor points needing to be added to the model is selected according to the function and the low frequency error designated by the user; finally, the low frequency error of the model is finely adjusted so as to meet the requirement of the user, and the model is sent to a client. According ...

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Номер записи: 2
02-06-2010 дата публикации

Electronic hand gasoline throttle capable of positioning at arbitrary position

Номер: CN0101328838B
Автор: JIANG ZHAOYI, ZHAOYI JIANG
Принадлежит:

The invention relates to an electronic hand throttle which can be positioned freely and arranged on an engineering machine for controlling the size of a throttle. The hand throttle comprises a sensorwhich is arranged fixedly inside a shell, the shell is connected rotationally with a main shaft, the bottom end of the main shaft is inserted inside a shaft sleeve and is connected with the input endof the sensor, the output end of the sensor is connected with a transmission conducting wire, a top end part of the main shaft is connected with a cap body whose a diameter is more than the main shaft, the cap body extends to an outer part of the shell and is provided with an operating rocker, a clearance is reserved between a lower end surface of the cap body and an upper end surface of the shaftsleeve, the inside of the clearance is provided with an annular elastic friction gasket which is sleeved outside the main shaft, the lower end surface of the cap body and the upper end surface of theelastic ...

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Номер записи: 3
04-04-2023 дата публикации

Road crack detection system based on semi-automatic labeling

Номер: CN115909054A
Автор: ZHANG QINGLONG, QIAO AOCHENG, CHAI YONGHONG, PENG WEI, JIANG ZHAOYI
Принадлежит:

The invention provides a road crack detection system based on semi-automatic labeling, which comprises an information acquisition module, a crack identification module, a data management module and a front-end display module, and is characterized in that the data management module adopts a distributed file management system and can dynamically store road surface information and extract key frames for storage. According to the invention, rolling optimization is carried out on the model of the crack identification module by using the key frame sample data set of the data management module, and semi-automatic marking is carried out on large-scale unmarked images of a video by using the optimized model, so that a large number of training data sets and the optimized crack identification model are obtained, the labor cost is reduced, and the efficiency is improved. The automation degree is high, and the labeling and recognition detection precision is continuously improved.

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Номер записи: 4
23-06-2023 дата публикации

Orthodontic treatment monitoring method and device based on multi-view jaw posture estimation

Номер: CN116309738A
Автор: TIAN YAN, FU HANSHI, XU YONGCHUAN, WANG HAO, LIN YILONG, ZHU YUNFANG, JIANG ZHAOYI
Принадлежит:

The invention discloses an orthodontic treatment monitoring method and device based on multi-view jaw posture estimation. A pre-orthodontic 3D jaw model and a post-orthodontic RGB oral scanning video are given, firstly, a tooth video instance segmentation model is trained, an instance segmentation mask of each tooth is obtained, an instance propagation module is designed, and an instance relationship in a time domain can be constructed only by using a frame position, a class score and a semantic segmentation mask; according to the method, time consistency loss is designed and used for learning feature codes, keeping high similarity between frames, of the same instance; then, a data driving method is combined with a multi-view geometrical relationship to optimize and estimate a jaw posture of a fixed tooth frame, and a jaw posture in a frame which does not contain fixed teeth is inferred through bidirectional constraint posture tracking; and finally, estimating the relative pose change of ...

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Номер записи: 5
24-12-2008 дата публикации

Electronic hand gasoline throttle capable of positioning at arbitrary position

Номер: CN0101328838A
Автор: JIANG ZHAOYI, ZHAOYI JIANG
Принадлежит:

The invention relates to an electronic hand throttle which can be positioned freely and arranged on an engineering machine for controlling the size of a throttle. The hand throttle comprises a sensor which is arranged fixedly inside a shell, the shell is connected rotationally with a main shaft, the bottom end of the main shaft is inserted inside a shaft sleeve and is connected with the input end of the sensor, the output end of the sensor is connected with a transmission conducting wire, a top end part of the main shaft is connected with a cap body whose a diameter is more than the main shaft, the cap body extends to an outer part of the shell and is provided with an operating rocker, a clearance is reserved between a lower end surface of the cap body and an upper end surface of the shaft sleeve, the inside of the clearance is provided with an annular elastic friction gasket which is sleeved outside the main shaft, the lower end surface of the cap body and the upper end surface of the ...

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Номер записи: 6
23-07-2008 дата публикации

Accelerator pedal device

Номер: CN0101224707A
Автор: JIANG ZHAOYI, ZHAOYI JIANG
Принадлежит:

The invention relates to an accelerator pedal device which is applied in controlling the accelerator level of automobiles. A plurality of installation axle holes are opened on a base, an accelerator pedal is arranged on the base, side board jacks are arranged at both sides of the base for inserting installation side boards and leading the accelerator pedal to be hinged on the base, a rebound device of the accelerator pedal is arranged between the accelerator pedal and the base, and the front end of the accelerator pedal extends into the upside of a rib in the top of the base and is limited by the upside of the block edge; furthermore, a sensing hole is opened in the front end of the accelerator pedal, a deflector rod is arranged inside the sensing hole, a nick that is convenient for the deflector rod to extend out is arranged at one side of the base in which the sensing hole is opened, a throttle position sensor is arranged on the nick position of the base, the deflector rod is connected ...

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Номер записи: 7
26-08-2009 дата публикации

Model transmitting method based on forecasting reconstruction facing to mobile lossy network

Номер: CN0101516105A
Автор: YANG BAILIN, WANG XUN, JIANG ZHAOYI, BAILIN YANG, XUN WANG, ZHAOYI JIANG
Принадлежит:

The invention discloses a model transmitting method based on the forecasting reconstruction facing to the mobile lossy network. The transmitting method faces to the color veining progressive model, and realizes the rapid and stable transmission and the losing message recovery of the model from the service terminal error recovery, the network transmission protocol and the client terminal error recovery. Firstly, the model is packaged into different messages by using the global equipartition grouping method, then the messages are transmitted rapidly by using the mixed transmission method, at last, the lost model data is restored by using the model reconstruction method based on the prediction. The effective reconstruction for the apical geometry, color, normal direction and texture coordinate information of the lost part of the model is performed by the related forecasting method. The method can avoid the high packet loss ratio and error rate in the mobile network, so that the good three-dimensional ...

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Номер записи: 8
03-06-2015 дата публикации

Grid-animation-sequence-oriented method for carrying out dimensionality reduction aiming at component of vertex track

Номер: CN104680566A
Автор: YANG BAILIN, JIN JIANQIU, WANG XUN, JIANG ZHAOYI, WANG YAJUAN
Принадлежит:

The invention discloses a grid-animation-sequence-oriented method for carrying out dimensionality reduction aiming at a component of a vertex track. According to the method, the main direction of the motion of a model is found out first by using PCA (principal component analysis), all vertex coordinates are projected in the direction, to obtain new coordinate values, and then track matrixes are established in three new coordinate axis directions respectively, and a second time of PCA dimensionality reduction is carried out respectively. By using the method, the compression efficiency of data is effectively promoted.

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Номер записи: 9
04-06-2014 дата публикации

Encoding and reconstruction method of three-dimensional model topological data robust transmission in wireless network

Номер: CN103840871A
Автор: YANG BAILIN, WANG HUIQIN, WANG XUN, JIANG ZHAOYI
Принадлежит:

The invention discloses an encoding and reconstruction method of three-dimensional model topological data robust transmission in a wireless network. The encoding and reconstruction method includes the steps of firstly, encoding three-dimensional model topological data at a server terminal: particularly, traversing top points of a three-dimensional model according to a certain rule, and obtaining traversal serial numbers, degree information and adjacent point information of the top points; secondly, coloring the top points according to an improved sequence coloring algorithm and the traversal serial numbers of the top points; thirdly, carrying out grouping on the model according to colors, and enabling the top points in the same color to serve as a group; finally, compressing the groups through Huffman coding, and carrying out topology reconstruction on the three-dimensional model at the server terminal: particularly, after the groups are received, ranking the received top points according ...

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Номер записи: 10