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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 5. Отображено 5.
11-04-2023 дата публикации

Three-dimensional reconstruction method and device and electronic equipment

Номер: CN115950359A
Автор: ZHAO SHUNSHUN, SONG QIYUAN, LI PENGFEI, DING YOUSHUANG, SHAO TIANLAN
Принадлежит:

The invention provides a three-dimensional reconstruction method and device and electronic equipment, and the method comprises the steps: obtaining a plurality of projection fringe images, the projection fringe images are obtained by projecting a plurality of grating fringe images generated through pre-coding to a to-be-reconstructed object, and the absolute phases of at least two grating fringe images in the plurality of grating fringe images are different; dephasing the projection fringe image to obtain a target phase of the to-be-reconstructed object; and based on the target phase, determining a three-dimensional coordinate of the to-be-reconstructed object, the three-dimensional coordinate being used for three-dimensional reconstruction of the to-be-reconstructed object. According to the invention, accurate dephasing of the projection fringes can be realized, and the efficiency of three-dimensional reconstruction is improved.

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Номер записи: 1
06-06-2023 дата публикации

Object position determination method and device, robot and storage medium

Номер: CN116214514A
Автор: LI HUI, WEI HAIYONG, SONG QIYUAN, WANG LIXIAO, DING YOUSHUANG, SHAO TIANLAN
Принадлежит:

According to the object position determining method and device, the robot and the storage medium, the method is applied to the robot, the first position information of the to-be-grabbed object relative to the preset reference coordinate is obtained, and the to-be-grabbed object is grabbed according to the second position information between the reference coordinate and the reference coordinate and the first position information; acquiring third position information of the to-be-grabbed object relative to the reference coordinate; wherein the reference coordinates are coordinates which are set for camera shooting of the robot in advance and are fixed to the position information between the reference coordinates and the reference coordinates, the relative positions of the reference coordinates and the robot are fixed, and then the to-be-grabbed object is grabbed according to the third position information. According to the technical scheme, the preset reference coordinates serve as the middle ...

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Номер записи: 2
10-11-2010 дата публикации

Dual-coil system high-efficiency heat storage and exchange method and device thereof

Номер: CN0101881570A
Автор: SHIAN ZHANG, GUOGANG LIU, QIYUAN SONG, FANGYUAN CHEN, ZHANG SHIAN, LIU GUOGANG, SONG QIYUAN, CHEN FANGYUAN
Принадлежит:

The invention discloses a dual-coil system high-efficiency heat storage and exchange method and a device thereof, which belong to the technical field of energy utilization. The dual-coil heat storage and exchange system consists of a dual-coil set aggregate and a phase-change heat storage and exchange medium, wherein the dual-coil set aggregate is manufactured by closely fixedly connecting dual-coil sets through connecting fins embedded at intervals; the phase-change heat storage and exchange medium is sealed around the aggregate; each dual-coil set consists of a heat supply medium and a heated medium coil system which are independent of each other; the heat supply medium, the outer wall of a heated medium coil and the connecting fins directly contact the phase-change heat storage and exchange medium around the heat supply medium, the outer wall of the heated medium coil and the connecting fins; and the heat supply medium coil not only can directly perform heat exchange with the heated ...

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Номер записи: 3
18-04-2023 дата публикации

Calibration method, system calibration method, device and electronic equipment

Номер: CN115984389A
Автор: ZHAO SHUNSHUN, SONG QIYUAN, MA HAORAN, LI PENGFEI, DING YOUSHUANG, SHAO TIANLAN
Принадлежит:

The invention provides a calibration method and device, a system calibration method and device and electronic equipment, and the method comprises the steps: obtaining a first image coordinate and a second image coordinate of a marker, the first image coordinate being an image coordinate of the marker under an original calibration parameter of to-be-calibrated equipment, and the second image coordinate being an image coordinate of the to-be-calibrated equipment; the second image coordinate is an image coordinate of the marker on a current shot image of the to-be-calibrated equipment, and the to-be-calibrated equipment is a camera or a projector; according to the deviation between the second image coordinate and the first image coordinate, the parameter perturbation quantity of the to-be-calibrated equipment is determined, and the parameter perturbation quantity is used for representing the parameter change of the to-be-calibrated equipment; and determining corrected calibration parameters ...

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Номер записи: 4
15-08-2023 дата публикации

Structured light camera distortion correction method, device, equipment and storage medium

Номер: CN116592793A
Автор: MA HAORAN, YANG JUN, HUANG YUXIN, SONG QIYUAN, CAI MINGJIE, ZHAO SHUNSHUN, LI PENGFEI, DING YOUSHUANG, SHAO TIANLAN
Принадлежит:

The embodiment of the invention provides a structured light camera distortion correction method and device, equipment and a storage medium. The method comprises the following steps: setting an optical machine to rotate around a long axis of a digital galvanometer of the optical machine and to be inclined relative to a shot object at a set Sammer angle, then obtaining image information collected by a camera, determining image coordinates, then determining physical coordinates corresponding to the image coordinates based on a conversion relational expression, and finally obtaining the physical coordinates of the shot object. On the basis of the distortion parameters and a coordinate expression of optical machine coordinates, optical machine coordinates corresponding to the physical coordinates are determined; and finally, determining ideal coordinates corresponding to the image coordinates on the basis of a distortion expression in the form of a coordinate expression and a conversion relational ...

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Номер записи: 5