A new zero-watermark copyright protection algorithm for 2d vector maps is proposed.
提出了一种新的二维矢量数字地图的零水印算法。
To get appropriate electronic vector maps are often expensive and difficult during the development of a small and low cost GIS.
在低成本地理信息系统开发过程中，合适的电子矢量化地图的获得往往不太容易或费用高。
A difference histogram-based reversible data hiding algorithm was proposed for authentication and covert communications of vector maps.
提出一种基于差值直方图的可逆数据隐藏算法，用于矢量地图的认证和隐秘通信。
All of these two modules achieve unified management and scheduling about remote sensing images, vector maps, digital elevation models and three-dimensional scene data.
这两个模块的结合，实现了遥感影像、矢量地图、数字高程模型以及三维场景数据的统一管理和调度。
Then this thesis summed up the research on digital watermarking technology used to protect vector maps, as well as the research on authenticating the integrity of vector maps.
接着总结了矢量地图数据证数字水印技术的研究，以及矢量地图完整性认证方法的研究。
The core of the listing is the defnode macro that takes a node type and a vector of field names, and creates a constructor function for creating maps of that type.
这个清单的核心是defnode宏，它获取一个节点类型和一个字段名矢量，并创建一个构造函数来创建该类型的映射。
According to Venture Beat, the smaller vector graphics used in the updated maps will allow for caching of map data that you most often use, giving you a more consistent experience.
据科技博客VentureBeat报道，升级后的地图采用信息容量较小的矢量图形，可以缓存用户使用频繁的地图信息，让用户体验到更稳定可靠的操作应用。
Under the conditions of Partial ic-convex like Maps, optimality necessary conditions of weak efficient solutions for vector optimization problems with equality and inequality constraints are obtained.
在部分生成锥内部凸-锥-凸映射下，得到了既有等式约束又有不等式约束的向量优化问题弱有效解的最优性必要条件。
The problem of the existence of a cone subdifferential for the cone convex set valued maps in the locally convex, linear and topological vector space is discussed.
在局部凸线性拓扑向量空间讨论了一种锥凸集值映射的锥次微分的存在性问题，证明了几个锥次微分的存在定理。
The algorithm maps test vector space to the chaotic space and USES chaotic search to find out the suitable testing pairs.
该算法将测试向量空间映射到混沌空间并采用混沌搜索来寻找一对符合要求的测试向量对。
You can search for a particular vector image in categories like templates, logo objects, sport logos, flags, maps, coat of arms, symbols, signs or clip art.
您可以搜索某一特定的矢量图像像类模板，标识物体，体育标志，国旗，地图，国徽，符号，标志或剪贴画。
According to features of edge gradient maps of face images, a new eye feature extraction algorithm based on gradient vector flow field was proposed.
根据人脸图像的边缘梯度图提出了一种新的基于梯度向量流场的眼睛特征提取方法。
Finally, the optimality conditions for vector optimization problems with set valued maps with equality and inequality constraints are obtained with it.
最后，利用择一性定理，获得了含不等式和等式约束的广义次似凸集值映射向量最优化问题的最优性条件。
In this paper, we study resonance theorems for nonlinear maps in ordered topological vector Spaces.
本文研究有序拓扑向量空间中非线性映照的共呜定理。
To improve the efficiency of automatic maps edge matching of massive digital map data of great regions even global ones, virtual stitching algorithm based on vector ID mapping is presented.
为了改善数字地图图幅自动接边算法在处理大区域甚至全球范围的大数据量图幅接边时效率低的问题，提出了基于矢量id映射的“虚拼接”算法。
Because of their advantages such as small data size, high precision, lossless scaling and easiness to manipulate, vector digital maps are the most important resources in GIS.
其中矢量形式的数字地图由于具有数据量小，精度高，可以无损缩放，便于进行各种操作等优点，是GIS中最重要的资源。
Because of their advantages such as small data size, high precision, lossless scaling and easiness to manipulate, vector digital maps are the most important resources in GIS.
其中矢量形式的数字地图由于具有数据量小，精度高，可以无损缩放，便于进行各种操作等优点，是GIS中最重要的资源。
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