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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 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 2. Отображено 2.
13-02-2013 дата публикации

Background extracting and updating method of video images

Номер: CN102930541A
Автор: Liu Changchun, Li Beibei, Tan Qi, Wan Ruyi, Huang Kaining, Shang Zhaoqi
Принадлежит:

The invention relates to a background extracting and updating method of video images. The method comprises the following steps of: firstly, setting a binary threshold value, and then, subtracting the former background frame from the current frame, binaryzing the image result obtained in the calculation to distinguish a movement region from a background region, and marking the binaryzed image as image BKT. For the movement region of the image BKT, the new background frame keeps the gray value of the former background frame; and for the background region of the image BKT, the new background frame is obtained by the weighted average of the former background frame and the current frame. Even if during the process of tending to become stable of the background frame, the method disclosed by the invention can be used for detecting the movement target, and the movement target can still be detected by the method when the movement target changes from the movement state into a static state; and the ...

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Номер записи: 1
03-10-2012 дата публикации

Equipment and method for removing residual chlorine from water body for aquaculture

Номер: CN102701390A
Автор: Huo Shaobo, Zhao Yan, Zhang Jinsong, Xing Minli, Huang Kaining, Shang Zhaoqi, Luo Jiahong
Принадлежит:

The invention relates to a chlorine removing device and a residual chlorine removing method, in particular to equipment and a method for removing residual chlorine from a water body for aquaculture. The equipment for removing the residual chlorine from the water body for aquaculture comprises a medicine preparation box, a stirring device, a medicine conveying device and a mixed water pipe. The method for removing the residual chlorine from the water body for aquaculture comprises the following steps of: measuring the content of the residual chlorine, calculating the concentration of a chlorine removing agent, preparing a chlorine removing agent solution, and removing the chlorine, so that the concentration of the residual chlorine which enters a culture zone is less than 0.03mg/L. A chlorine removing medicine is added by a mechanical method, and the equipment for removing the residual chlorine from the water body for aquaculture is low in manufacturing cost; and the aim of removing the ...

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Номер записи: 2