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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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Форма поиска

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 4. Отображено 4.
04-04-2023 дата публикации

Robot path planning method based on combination of particle swarm, ant colony and A-Star algorithms

Номер: CN115903808A
Автор: WANG JIANDONG, SHEN HONGBO, ZHANG ZHIWEI, ZHAO SHUANGRUI, GONG SHAOTIAN, LI CHANGLING, GE RUIYIN, ZHANG YUAN
Принадлежит:

The invention belongs to the technical field of path planning, and discloses a robot path planning method based on the combination of a particle swarm, an ant colony and an A-Star algorithm, and the method comprises the steps: generating a grid map, obtaining the positions of an obstacle and a feasible region in the grid map, constructing a reachable distance matrix, and carrying out the calculation of the reachable distance matrix; determining an initial position and a target position of each robot in the robot cluster in the grid map; and performing path optimization planning on the robot cluster based on the reachable distance matrix and the initial position and the target position of the robot in the grid map by using a particle swarm and ant colony combination algorithm and an A-Star algorithm to obtain an optimal path. According to the invention, the robot obstacle avoidance path is optimized by combining the ideas of the ant colony algorithm, the algorithm and the simulated annealing ...

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Номер записи: 1
29-08-2023 дата публикации

Real scene three-dimensional model segmentation method and system based on WebGIS

Номер: CN116664589A
Автор: WANG JIANDONG, LI MINGLIN, LI CHANGLING, ZHANG ZHIWEI, LI TAO, ZHAO SHUANGRUI, DONG XUEWEN
Принадлежит:

The invention discloses a WebGIS-based live-action three-dimensional model segmentation method and system, and particularly relates to the technical field of three-dimensional live-action reconstruction, the system comprises an object model database, a web server and a web front end, the object model database is used for storing to-be-processed oblique photography model data in a rear-end database, and the web server is used for storing the to-be-processed oblique photography model data in the rear-end database; the web server is used for receiving a request from the web front end based on a Node.js koa framework and requesting model data from the object model database according to axios request model information, and the web front end is used for receiving an interaction request of a user, carrying out model segmentation operation including modes of clicking, dragging and the like through mouse operation, recording the operation of the user and sending the model data to the object model ...

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Номер записи: 2
09-05-2023 дата публикации

Self-adaptive face search method and system, medium, equipment and terminal

Номер: CN116089640A
Автор: WANG JIANDONG, GONG SHAOTIAN, ZHAO SHUANGRUI, ZHANG ZHIWEI, SHEN HONGBO, ZHANG YUAN, LI CHANGLING, GE RUIYIN
Принадлежит:

The invention belongs to the technical field of image recognition, and discloses a self-adaptive face search method and system, a medium, equipment and a terminal.The self-adaptive face search method comprises the steps that a face search engine is initialized, and a face picture to be searched or added is uploaded; performing feature extraction on the face image by using a face feature extraction module; the face search engine receives scheduling of the face search module, searches and adds face feature vectors and returns results to the face search module. According to the face search method and system based on the decision tree, the face feature recognition and the vector search engine, the face feature points can be accurately recognized. According to the method, the feature difference between the faces is calculated through an algorithm, and assistance can be provided for object search and personnel identity authentication. According to the decision tree, the optimal index construction ...

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Номер записи: 3
04-04-2023 дата публикации

Three-dimensional scene rendering acceleration method and system, medium, equipment and terminal

Номер: CN115908672A
Автор: WANG JIANDONG, LI CHANGLING, DONG XUEWEN, ZHAO SHUANGRUI, GE RUIYIN, SHEN HONGBO, ZHANG YUAN, GONG SHAOTIAN
Принадлежит:

The invention belongs to the technical field of WebGL, computer graphics, digital twinning, rendering optimal acceleration, redundancy elimination and scene compression, and discloses a three-dimensional scene rendering acceleration method and system, a medium, equipment and a terminal, and the method comprises the steps: judging the type of data, and entering data separation judgment if the data is a three-dimensional model; judging whether the three-dimensional model contains animation data or not, if yes, performing data separation operation, extracting an animation from the model, and performing data compression; if not, directly performing data compression processing; data compression is divided into model compression and chartlet compression, redundant data elimination processing is performed on data in different formats by adopting different compression algorithms, a model is compressed by adopting a multi-step compression algorithm for model chartlet, and finally the data is returned ...

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Номер записи: 4