查询词典 projection gradient method

This paper gives the method of homogeneous projection coordinates system that is established by original element turning to natural coordinates system under the projective change.

给出在射影变换下以原象元素所建立的齐次射影坐标系化为自然坐标系的方法，不妨称作基元变换法。同时给出射影变换的几何意

We can then use this set of unwarped perspective images to calculate the relative poses of the calibration plate as well as the projection error of the feature points on the calibration plate by using the homography method.

接下我们就可以用所计算出的这组反扭曲影像，计算出虚拟相机与校正物之间的相对姿势，且再用homography方法我们可以计算出校正版上每个特徵点的校正误差。

First, we analyze the method based on WVD maximum intensity of binary document image horizontal projection, and de-skew the binary document image.

首先通过分析基于二值文档图像水平投影的WVD极值密度的原理，实现了二值文档图像的纠偏。

In this paper, a method, which hybrid horizontal projection and connected components analysis, based on connected components classification is proposed to do text line segmentation and word segmentation of Uyghur texts.

本文在连通体分类的基础上，结合水平投影和连通体分析的方法实现维文文本的文字行切分和单词切分。

Then it cuts roughly the face picture into a rectangle outline by using horizontal projection method and transcendent knowledge of human face. Finally, it standardizes face image.

文中先通过垂直投影得到人脸的左右边界，再根据水平投影得到人脸额头的粗位置，并结合人脸的长宽比例的先验知识粗定位人脸矩形区域，最后标准化人脸图像。

A hypercube projection technology which has been applied in MCC is introduced to the correction stage of the proposed method.

本论文在非线性预报-校正内点法和多中心-校正内点法的基础上提出了一种改进的非线性预报-校正内点法。

It helps the student mastery the essential principle and method of projection. Finally it can train student to diagrammatize the space geometry problem, to imagine and ichnography the form and structure on space, to plot with apparatus and computer.

它能使学生掌握基本的投影原理和方法，并以此培养图解常见空间几何问题的能力、空间形体想象和平面图示能力、运用绘图仪器和计算机的绘图能力。

In the beamformer based on sample covariance matrix inverse algorithm, the calculation of weight vector comprises the components of interferences and noise. The projection method comprises the components of interferences. It induces the imperfective results of the beamformer.

摘要基于协方差矩阵加权的波束形成方法在计算加权向量时引进干扰和噪声的影响，投影方法在计算加权向量时引进干扰信号的影响，这些都造成了波束形成效果的不理想。

The main innovative points of this paper are given as follows:(1)The precise material parameters play an important role to an effective simulation. An identification scheme to couple the finite element method and IP -μGA(a modified micro genetic algorithm with the strategy of Intergeneration Projection)is developed and programmed.

计算机仿真技术在汽车设计制造中得到了越来越广泛的应用，特别是在汽车碰撞安全性设计中，仿真技术为缩短开发周期、降低成本起着很重要的作用。

Finally, this paper presents a simple and practical method of 3D fault modeling. Fault intersecting lines on coal seam roof and other strata are acquired by the projection of fault intersecting lines on coal seam floor.

最后提出了一种简单实用的断层三维建模方法：利用底板等高线上的断煤交线及其它断层信息，通过投影法求得各地层面上的断层交线。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。