Boundary tracing and region filling are basic problems in digital image processing.
边界跟踪与填充是图像处理的基本问题。
Based on the result of boundary tracking, the coordinate positions of boundary points are found. After boundary points in group are dealt by sequence, area filling can be completed.
通过边界跟踪的结果，区域边界点的坐标位置被确定下来，对每一组里的边界点按顺序进行处理后就可以得到该区域所有扫描线上的填充区段，完成区域的填充。
It is shown that the critical discharge between scouring and filling mainly depends on the sediment content, the proportional relationship be tween water and sediment, and the boundary condition.
该关系表明，冲淤临界流量主要与含沙量成某一次方的比例关系，同时受水沙搭配关系以及边界条件的影响。
Assimilating the filling pipe to a grounded conductor at the axis of the vessel, the electrostatic boundary problem is solved analytically.
将鹤管等效为储罐对称轴上的接地导体，推导了静电场边值问题的解析解。
Assimilating the filling pipe to a grounded conductor at the axis of the vessel, the electrostatic boundary problem is solved analytically.
将鹤管等效为储罐对称轴上的接地导体，推导了静电场边值问题的解析解。
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