1) Hilbert space filling curve
Hilbert空间填充曲线
1.
First,resources are described with multiple simple ontologies,then these ontology descriptions are transformed into ontology IDs,and the mapping from multiple dimensions ontology IDs to one dimension s index is achieved with Hilbert space filling curve.
它使用多个简单本体(ontology),对同一资源进行描述,将各个ontology描述转化为相应的本体序号(ontology ID),然后使用Hilbert空间填充曲线,实现从多维ontology ID到一维索引值的映射,得到保留了语义的索引值。
2.
Secondly, it maps high-dimensional index of blocks into 1-D Hilbert space filling curve(HSFC) index.
首先,将由规则结构化网格组成的模拟区域剖分成多块;其次,把块的高维坐标转换成一维Hilbert空间填充曲线(HSFC)索引;然后,基于实测信息采用多层均权法剖分按一维HSFC索引排列的块;最后根据剖分信息重分配块以平衡负载。
3.
The proposed approach is based on the grey model GM(1,1) and Hilbert space filling curve to model the pixels in an image, and a new image feature is easily extracted by analyzing the model parameters { }in the transformed domain.
在讨论基于灰色模型GM(1,1)和Hilbert空间填充曲线的图像压缩算法的基础上,提出了一种新的彩色图像表示与检索技术。
2) spacefilling curves
空间填充曲线法
1.
Then a SFC-TS Algorithm is proposed: firstly,the initial solution is obtained by means of spacefilling curves in the fractal theory,and then.
然后,提出了一种SFC-TS算法:先应用分形理论中的空间填充曲线法(SpacefillingCurves,SFC)求解初始解,再用禁忌搜索法(Tabu Search Algorithm,TS)对初始解进行改进优化。
3) space-filling curve
空间填充曲线
1.
Solving travelling salesman problem(TSP) based on space-filling curve and or-opt algorithm;
基于空间填充曲线和or-opt搜索求解旅行商问题
4) space filling curve
空间填充曲线
1.
Study on Generation of Line-Art Image with the Directions of the Lines Based on Space Filling Curve
基于空间填充曲线走向的线条图像生成方法研究
2.
In particular, based on cell-block data structures, this algorithm uses space filling curve to convert three-dimensional domain decomposition for load distribution across processors into one-dimensional load balancing problems for which run-time measurement-based multilevel averaging weights method can be applied successfully.
它采用空间填充曲线将三维区域分解转换为一维负载平衡问题,然后用基于实测的多层均权法求解,以保持处理机间负载均衡。
5) profile of filling
充填曲线
6) space-filling curves
填充曲线
1.
Through the analysis and comparing of varies algorithm of tool paths automatic generation techniques , tool paths automatic generation software based on space-filling curves are developed in this paper, which avoidance the residue amount question in existing traditional algorithm.
本文对刀具轨迹生成的各种算法进行了分析比较,针对传统算法在加工中存在残留量不足的问题,提出了基于填充曲线的数控加工刀具轨迹的自动生成技术。
补充资料:准Hilbert空间
准Hilbert空间
pre-Hilbert space
准到山加rt空间【p比俐田加rt凡翔ce;”pe皿r”J‘epTo助即此Tpa”cr助] 复或实数域上的向量空间(货ctor sPace)E,具有满足下列条件的标量积E xE~C,xx夕~(x,y): l)(x+y,z)=(x,:)+(y,:), (又x,y)=几(x,y),(y,x)二压了刃, x,夕,z‘E,兄‘C(R): 2)(x,x))0,x日E; 3)(x,x)”O,当且仅当x二0. 在准Hdbert空间上定义了范数IJ xJ}=(x,x)’‘2,准Hi」bert空间E关于这个范数的完全化是Hi场ert空间(附bert sPace).BM几oMoHocoB撰【补注】上述函数(x,夕)也称为内积(m幻er Pro-duct).如果它仅满足条件l)和2),则有时称为准内积(pre一~preduCI).因此,准Hilbert空间着俞也称为内积空间(~p代心uct space),而具有准内积的向量空间也称为准内积空间(ple一~p《心uctsPace). 如果(E,}}·}})是线性赋范空间,则它具有生成范数的内积,当(且仅当)范数满足平行四边形法则(par叨e1哗四111】aw): l}x+夕}{’+}}x·夕}卜2(}}x}}’+}}夕}}’)对于内积空间的描述,见【AI],第四章.
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参考词条