查询词典 projective

The Graphical Representations of Connected Cubic Arc-Transitive Coset Graphs of Minimum Degree on Projective Special Linear Group PSL2,p

特殊射影群PSL(2，p)的最小级连通3度弧传递陪集图表示论文标题：特殊射影群PSL(2，p)的最小级连通3度弧传递陪集图表示

BCH Codes; Reed-Muller Codes; Period Distribution; Cyclical Coset; Generalized Hamming Weights; Projective System

BCH码；射影Reed-Muller码；周期分布；循环陪集；射影系统；广义汉明重量

The cross ratio of four points in the vanishing line is a projective invariant.

消失线上的四点交比是射影不变量，该不变量与各点所对应的直线夹角存在内在联系。

Cross ratio is an essential invariant related to projective transformations,and discovering intrinsic properties of scene by using invariance of cross ratio computation is one of the hotspots in computer vision fields.

1引言交比是一个和射影变换有关的一个基本不变量，它的透视不变性已经引起了计算机视觉研究人员的重视，人们利用它从透视图像中进行物体识别[1][2]。

They are ①cubic plane curve constituted with projective pencil of lines and line eonic

进而证明三个定理：①一次线束和其射影对应的二次线束，所对应直线交点的轨迹为三次平面曲线

It order to overcome the difficulties in representation of developable surface s utilizing traditional approaches,based the concept of duality between points and planes in 3D projective space, a direct explicit method of computer-aided design for developable surface s was presented.

基于三维射影空间中点和平面间的对偶性，提出了计算机辅助设计五次样条上可展曲面的一种简单且有效的方法，通过采用该方法，可利用具有B啨zier和B样条基的控制平面设计可展曲面。

Experimental results show that the invariants not only have projective invariance but also have high stability and discriminability.

这组不变量不仅具有射影不变性，而且具有较好的稳定性和可分辨性，可以有效地识别平面多边形。

To fulfill the application requirement to retrieve logos in automatic processing document image, a logo recognition and retrieval algorithm based on projective features was presented.

针对文本图像自动处理中对图标图形识别检索的应用需求，提出一种基于投影特征的图标图形识别检索方法。

It begins with a historical introductory chapter, and then devotes three chapters to surveying real projective geometry, and three to elliptic geometry.

它从历史绪论，然后用了三个篇章测量实际射影几何和3至椭圆几何。

In section one, we study regular cu-rings by use of full elements in rings, and give some equivalent conditions for the endomorphism ring of quasi-projective modules and quasi-injective modules to be a cu-ring.

在第一部分，我们利用环中的完全元对正则cu-环进行刻画，并给出了拟投射模和拟内射模的自同态环是cu-环的一系列等价条件。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。