后视点

本文提出了一种仅变换置镜点和后视点坐标而达到置镜任一点极坐标法测设整条曲线的方法。

A method of surveying a complete curve in polar coordinate system by only changing instrument position and back viewing point are introduced in this paper .

使用全站仪在外业采集数据时，测站点与后视点的坐标及高程可能出现输入错误或点位确认错误。

It may often produce during data collecting with surveying stationary instrument that both inputs error and confirms positional error of point appear from coordinates and elevation of stationary and rear-view points .

为了保持压缩后视点对的视差不发生变化，本算法创造性地利用绝对视差图进行特征点选取，实验结果表明解码后的立体图像对立体感较好。

To maintain the disparity of two view-points after coding , this algorithm originally extracts feather points with the absolute disparity image , and experiments indicate the decoded stereo image make a good stereo perceive .

与原始视点间参考图像相比，经过补偿后的视点间参考图像与当前编码图像更为相似，从而提高了MVC的编码效率。

The modified inter-view reference picture is more similar to the coding picture than the original inter-view reference picture , therefore the coding efficiency for MVC can be improved .

在生成DEM模型后，采用基于视点的LOD算法对三维地形模型进行简化，得到最终的DEM模型。

DEM generated in the model , based on the viewpoint of the LOD algorithm for three-dimensional terrain model can be simplified , the final DEM model .

本论文对视图插补的研究分成三个部分：（1）矫正图像对，使矫正后的图像满足视点平移关系；

The research on the algorithm of view interpolation is separated into three parts in this dissertation : rectifying the stereo images and making the rectified images satisfying the relation of pure translation motion ;