...滨； 都市地域； 产业空间； 圈层化； 调控；[gap=423]Key words: Haerbin; urban region; industry and space; spatial circle; regulation ...
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Geo-spatial data life circle 空间数据生命周期
The perspective projection model of the spatial circle is discussed and the mathematical model of three-dimensional (3D) measurement for the stereo vision sensor is analyzed.
分析了空间圆透视投影的数学模型，并建立了点的空间三坐标立体视觉测量数学模型。
Spatial calibration and finding circle center are introduced to measure the images acquired from different angles, and the results are perfect.
采用空间校正及查找圆边的方法对同一零件旋转不同角度采集到的图像进行测量，从而得到被测参数的精确结果。
The growth-level model, point-axis model, circle-layer model are the fundamental models for the spatial layout of regional tourism layout.
增长级布局模式、点轴布局模式、圈层布局模式是区域旅游业空间布局的基本模式。
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