At the same time,the method can be extended to other image recognition field that is relative with wide line and thin line.
文章以扫描输入的大比例彩色地形图为研究对象,重点讨论了彩色地形图中等高线的计算机识别方法,提出了基于方框邻域内点的算法,针对分色后提取出来的等高线二值图像进行识别和处理,使等高线中的首曲线和计曲线区分开来,以达到计算机可以识别的目的。
It is given how to use statistical curves respectively or synthetically to simulate the whole process of dynamics of methane concentration inside a landfill.
通过对佛山市五峰垃圾填埋场内部部分时段CH4浓度的监测 ,分析了在填埋场内部垃圾发酵过程中CH4浓度随时间的动态变化特征 ,提出了利用某些统计曲线分别模拟或综合模拟CH4浓度随时间的变化过程的方法 。
Testing results of special CT sample were introduced and COD design curve on this results of SCT samples given in this paper.
介绍了由标准CT试样发展而来的异型紧凑拉伸(SCT)试样的应力应变场的测量结果以及用SCT试样的实验数据标定COD设计曲线的结果。
A method of constructing rational developable interpolation patches is put forward: two rational curves with similar shape are used as design curve and adjoint curve separately, and the points on the design curve and the corresponding points of the same parameters on the adjoint curve are joined with straight lines.
其次将二次、三次有理曲线分别作为可展有理 Bezier曲面的设计曲线和伴随曲线 ,具体讨论了有关可展有理 (2 ,3 ) Bezier曲面的构造及其分类问题 。
An algorithm is proposed for constructing developable patches by using design curve and adjoint curve.
首先提出了一种由设计曲线和伴随曲线构造可展曲面的算法 ,并讨论了其依赖于设计曲线和匹配函数的几何性质及相应条件 ,在其基础上 ,研究了设计曲线和伴随曲线分别为 n +1次 ,m +n+1次 Bezier曲线的可展曲面构造方法 ,解决了任意次可展 Bezier曲面的设计问题 ,最后以可展(3 ,4)次 Bezier曲面为构造实例 ,证明了该算法的正确性和实用
Based on the examination of theoretical foundations of the cumulative curve for cut-fill adjust?ment in constructing highways, a mathematical model is proposed for subsection adjustment.
对道路土石方调配的累计曲线法进行了理论剖析,提出了分段调配的数学模型。