绝对定向

这一结果为今后进一步研究无控制点DEM绝对定向的精度奠定了基础。

Such information will form a foundation for further research on DEM absolute orientation without GCPs in future .

基于直线特征的遥感影像自动绝对定向

Automatic Absolute Orientation of Remote Sense Image by Line Photogrammetry

改进了相对定向的PH算法，使得使用该方法进行相对定向不需要初值时也能实现全局收敛，采用基于单位四元数的绝对定向的闭合解，不需要初值也能得到定向参数的最小二乘解。

An improvement on PH algorithm in relative orientation are made , with this algorithm , the iterative procedures could be global convergent without any initial values . The unit-quaternion based closed-form solution for absolute orientation is a least square solution without initial values . 4 .

铅垂线辅助城区航空影像的绝对定向

Absolute Orientation of Aerial Imagery over Urban Areas Combined with Vertical Lines

利用罗德里格矩阵确定三维表面重建中的绝对定向模型

Three dimensional absolute orientation model using the Roderick matrix

基于广义点的相对定向和绝对定向

Absolute Orientation and Relative Orientation Based on Generalized Point

基于对偶四元数的绝对定向直接解法

Close-Form Solution of Absolute Orientation Based on Dual Quaternion

然后进行绝对定向，求得各模型点的空间绝对坐标。

Then , models are absolutely oriented , achieving special absolute coordinate of models .

本文提出了一种新的绝对定向一般闭合解法。

This paper presents a new solution of absolute orientation in the closed form .

一种绝对定向的一般闭合解法

A closed form general solution of absolute orientation

摄影测量学中传统的绝对定向一般是迭代算法，需要比较准确的迭代初值。

The algorithm for traditional absolute orientation is an iterative algorithm which needs relatively accurate iterative initial value .

普通数码影像的立体测量方法研究，其中包括对普通数字影像的相对定向方法、绝对定向方法、影像匹配方法的研究及其相应精度的评价；

Researches on the stereophotogrammetry of digital images , which include relative orientation , absolute orientation , image matching and the evaluation of their accuracies ;

在不同轨道上摄取立体象对，用空间后方交会建立立体模型，实行相对定向、绝对定向和测绘地形图的方法。

The paper also introduces the method by using space resection to create stereo model , therefore , to implement relative and-absolute orientation and to plot the topographical maps .

将高科技的航空定向技术与同位素稀释测井技术相结合，研制出一种智能化的地下水动态参数测量仪。铅垂线辅助城区航空影像的绝对定向

A new intelligent meter by combining directional aviation techniques with isotope tracer dilution logging is manufactured . Absolute Orientation of Aerial Imagery over Urban Areas Combined with Vertical Lines

并将单位四元数表示的旋转矩阵应用于相对定向、绝对定向、光束法平差中。

Unit quaternion are proposed for representing rotation matrix instead of traditional Euler angles , and the transformations of each representing approaches are also given . The full estimation approaches on relative orientation , absolute orientation and bundle adjustment are proposed .

因此，提出了基于广义点的相对定向和绝对定向的方法，解决了传统相对定向和绝对定向不能解决的问题，理论上证明该方法是可行的。

So this article brought forward the method of relative orientation and absolute orientation based on generalized point , which resolved the problem that the traditional relative orientation and absolute orientation could not do . The method was proved feasible in theory .

用相场法对Ti-45%Al合金在近绝对稳定高速定向凝固条件下的液固相变界面形态和微观结构演化进行模拟。

The phase-field model was used to simulate the evolution of interfacial morphologies and microstructures for Ti-45 % Al alloy during directional solidification at high speed close to absolute stability .