In this paper, a method is proposed for projector calibration in 3d photography systems using grating projection.
提出了一种光栅投影式立体照相系统中光栅投影平面的标定方法。
Using grating projection and stereo matching based on these constraints, free-form 3-D profiles can be measured efficiently and accurately.
实验表明，采用编码光栅投影视觉测量能够高效准确地测量自由曲面的三维轮廓。
It is expatiated a not on the principle that using structured light grating projection measurement. Detailed measurement processes and results.
阐述了一种非接触式结构光光栅投影三维测量技术原理，给出了利用该原理测量零件的过程和测量结果。
First, grating is projected on measured free surface, and height data of each point on free surface is measured by the grating projection method.
首先将矩形光栅投影在被测表面上，利用光栅投影法测量自由曲面上每点高度信息。
The difficulty in phase unwrapping is the key problem that compromises reliability and prevents automatic measurement in grating projection profilometry.
叠相还原的困难是光栅投影式轮廓测量技术中影响可靠性和阻碍自动化测量的最大问题。
It is proved that this measurement method for three-dimensional shape of object surface with grating projection presented in this dissertation can obtain good results.
实验结果表明本文采用的光栅投影式物体表面三维形貌测量方法能够获得比较满意的结果。
The sub-pixel accuracy in abstracting the fringe-centerlines can be obtained by the method of barycenter after preprocessing the fringe picture using grating projection.
精确地获得光栅条纹中心线的相对偏移量，在三角形法测量物体三维轮廓技术中占有非常重要的地位。
The method of barycenter, which can obtain the sub-pixel accuracy to abstract the fringe-centerlines, is presented in this paper after preprocessing the picture using grating projection.
本文对光栅投影条纹图像进行预处理，提出采用重心法提取条纹中心线位置，可以获得亚像素级的精度；
Projection grating measuring technique, which records the measurement results with binocular CCD camera, is a new optical measuring method.
利用双目CCD相机记录的光栅投影测量技术是一种新型的光学测量方法。
Differing from the traditional optical measuring method, the measuring system USES two CCD cameras to record projection grating, thus reduces errors and improves measuring accuracy.
与传统的光学测量方法不同，测量系统采用两个CCD相机记录投影光栅，减小了测量误差，提高了测量精度。
The cosine grating is taken as the projected grating and the referenced grating; the projection moire method is analyzed by the physical optics.
以余弦光栅作为投影光栅和参考光栅，对投影型莫尔法从物理光学的角度进行了理论分析。
The principle of projection type micro optical encoder has been described and the optics theory of grating imaging is deduced.
对投影型微光学编码器的原理进行了分析，结合微机电系统集成技术，提出并实现了投影型微光学编码器。
A novel grating light modulator for projection display is introduced.
本文提出了一种用于投影显示的新型光栅光调制器。
A novel grating light modulator for projection display is introduced.
本文提出了一种用于投影显示的新型光栅光调制器。
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