The "crown diameter-crown height" correlation equations and the formulas of three-dimensional vegetation quantity of tree crown are established.
建立常见绿化树种“冠径—冠高”相关方程和树冠绿化三维量计算公式。
This paper introduces the theory foundation and the display algorithm of the fractal graphics, which has been applied into the three dimensional display of the natural tree.
介绍了分数维图形的理论基础及其显示算法，并应用到自然树木的三维显示中。
A heuristic method for packing freight into a container by using tri tree structure to express the packing space decomposition for three dimensional rectangular packing is proposed.
针对集装箱内货物装载布局问题，提出一种利用三叉树结构表达三维矩形物体布局状态空间分解的方法。
After analyzed and studied on some algorithms about how to create and render tree models, a improved algorithm which is based on Three-dimensional geometric modeling method proposed.
在对已有的树木模拟算法进行分析和研究的基础上，探讨出一种基于三维分枝模型的改进算法。
The method is based on real 3d wavelet transform, and implements a three dimensional extension of SPIHT in still image coding by defining a new spatial-temporal orientation tree structure.
该方法建立在真三维小波分解基础上，通过定义一种新的时空方向树结构，实现了静止图像SPIHT算法的三维扩展。
The computer simulation of three dimensional growing model of the natural tree is realized. The model proposed in this paper supplies a stable basis for the op...
文中，实现了三维植物树木形态的计算机模拟，生长竞争模型为今后优化复杂天线设计等问题奠定了基础。
The computer simulation of three dimensional growing model of the natural tree is realized. The model proposed in this paper supplies a stable basis for the op...
文中，实现了三维植物树木形态的计算机模拟，生长竞争模型为今后优化复杂天线设计等问题奠定了基础。
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