针对二值图像的几何相似性,本文提出一种基于等腰直角三角形的压缩算法。
We put forward an compression algorithm based on isosceles right triangle according to the geometric similarity of binary images.
为了提高二值图像的压缩比,采用自顶向下的编码方法,提出一种基于等腰直角三角形的分形图像压缩算法,并进行仿真实验。
In order to improve the ratio of binary image compression, using top-dowm method of coding, bring forward a fractal image compression method based on isosceles right triangle, and simulated.
为了克服指纹识别中的常见问题,提出了一种基于改进的相似三角形的指纹细节点匹配算法。
In order to overcome the common problem in fingerprint recognition, a fingerprint minutia matching algorithm based on improved similar triangle is proposed.
对于网格模型简化问题,本文提出了一种基于网格顶点曲率加权该顶点邻接三角形面积的顶点删除简化算法。
This algorithm removes vertices of the mesh according to the curvature of the vertex weighted by the area of the triangles which are adjacent to that vertex.
介绍了一种在控制三角形网格上创建光滑样条曲面的算法,该控制网格能够刻画具有或没有边界的任意自由曲面。
The paper introduces an algorithm for creating smooth spline surfaces over control triangular meshes capable of outlining arbitrary free-form surfaces with or without boundary.
从石油测井数据解释的实际应用需求出发,提出一种新的基于三角形中线的数据序列分段算法。
Based on analyzing the relation of data points in time series, a novel series segmenting algorithm based on triangular midline is presented.
同时该算法还融合了三角形带化技术,使得地形绘制的效率更高。
At the same time, the algorithm integrates triangle strips which can further accelerate terrain rendering.
本文基于波前法提出了一种对任意平面区域生成三角形网格的全自动生成算法。
Based on the advancing front method, an automated triangular mesh generation algorithm for arbitrarily shaped planar regions is presented in this paper.
研究了在散乱数据的三角剖分后对所形成的空间三角形网格进行变形的具体操作算法。
The paper studies the main algorithm of morphing between spatial triangle meshes, which follows former articles of scatter data triangulation.
该算法适用于三角形线性等参元。
The algorithm is available for linear triangular isoparametric elements.
针对典型液压缸截面特征,给出一种简明的三角形单元网格生成算法。
According to the section feature of typical hydro-cylinder, a brief algorithm for triangular element mesh generation is presented in the paper.
该系统采用三角形测量原理实现三维精确定位,利用FPGA丰富的查找表结构完成算法。
The system uses the triangle survey principle to realize three dimensional positioning and uses the rich lookup table structure of FPGA to complete the algorithm.
通过分析该算法的几何原理,构建三角形面片的权值计算公式。
Firstly, the weight's calculation formula of triangle patches is constructed by analyzing its geometric theory.
在空间相似三角形注视点估计算法的基础上,提出一种基于黎曼几何的视线落点补偿方法 。
One novel gaze point compensation algorithm in Riemannian space was proposed in this paper based on the estimation algorithm of gaze point in space similar triangles.
同时提出了快速定位三角形的直线方向定位算法,该算法与一般方向定位算法相比,具有搜索路径唯一,运行稳健的特点。
Furthermore, the paper presents a line oriented locating algorithm for fast locating triangles, which has the advantage of unique path and steady operation compared with other locating algorithms.
利用数学归纳法证明算法对任意多个离散点三角形网格剖分的正确性,并通过试验验证了算法的可行性。
The mathematical induction is used to prove the correctness of the algorithm towards the triangle mesh of random multi-points, and the experiment proves its feasibility.
在基于矢量三角形的匹配算法中引入了界限盒技术,增强了算法的容忍性。
The technique of bounding box is combined to match fingerprint minutia based on vector triangular.
本算法生成的三角形质量高,并且能保证不同尺寸三角形的光滑过渡。
The result triangles have higher quality and smooth transition to different sizes.
为实现地形漫游,提出基于三角形二叉树的地形网格模型动态简化算法,实现了与视点相关的连续多分辨率简化及快速动态绘制。
This paper proposes a dynamic simplification algorithm for the terrain model based on the Triangle Subdivision Bi tree to realize continuous view dependent multi resolution rendering of terrain mesh.
给出了一种基于三角形内角加权和二次误差度量的三角形折叠算法来简化三角网格模型。
A triangle collapse algorithm is presented, which is based on internal angles weighted and quadric error metrics to simplify mesh models.
以三角形靶标的视觉锐度为基准,设计了无缝三角形网格划分算法,对典型识别概率的实测红外目标图像进行了等效三角形划分,确定了目标对应的等效三角形数目;
The infrared target in the real background were closely meshed into many equivalent triangle patterns by considering visual acuity, and the number of triangle pattern was statistically determined.
该算法充分利用TIN中各三角形间存在的拓扑关系,实现了与剖面线相交三角形的快速搜索,大大提高了算法的执行效率。
It makes full use of the topology relation among triangles in TIN to search triangles intersected with the section line, which increases the efficiency of the algorithm.
并对其生成的表面几何模型所包含三角面片数量巨大的问题,提出一种快速有效的三角形边收缩算法进行网格简化,提高了表面模型的绘制速度。
Because 3D surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time.
针对以上问题,提出了一种基于三角形重心扫描的改进APIT算法。
In allusion to the problems mentioned above, an improved APIT algorithm based on triangle-center scan is proposed.
高效率的“三角形和三角形相交测试”对于提高碰撞检测算法效率,增强虚拟场景的真实感和沉浸感起着至关重要的作用。
It is most important for efficient triangle and triangle intersection test to raise algorithm efficiency of collision detection and strengthen the sense of reality and immersion.
在传统的三角形网格生成和剖分算法基础上,提出了适合服装衣片三角形网格划分的凹多边形网格剖分算法。
Based on the traditional methods of generating triangular meshes, this paper presents and algorithm for generating polygons suitable for garment simulation.
对构筑三角形网格建立数字地形模型进行了研究,给出了基于散乱点和边建立三角形网格地形模型的生成算法和数据结构。
Generation of triangular meshes for digital terrain model is studied, the triangulation algorithm of discrete points and edges and its data structure are presented.
针对角膜轮廓线是凹的特点,对轮廓线重构算法做了改进,以便能构造出正确的角膜表面三角形网格。
Against the concave characteristics of corneal contour, we improve the algorithm of contour reconstruction to increase the robust of algorithm and obtain the triangle mesh of corneal surface.
利用计算几何的相关算法,把矢量数据的节点和边界线作为TIN网三角形的端点和边,对TIN网的局部进行三角化。
Utilizing related algorithms of computational geometry to triangulate TIN partly to make node and line as vertex and side of triangles.
利用计算几何的相关算法,把矢量数据的节点和边界线作为TIN网三角形的端点和边,对TIN网的局部进行三角化。
Utilizing related algorithms of computational geometry to triangulate TIN partly to make node and line as vertex and side of triangles.
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