An approach is presented to detect and compensate position variation, which adopts complemented fringe projection technique.
提出了一种利用互补条纹实现位置变形检测及补偿的新方法。
A method based on digital fringe projection and digital phase shifting technique is proposed in this thesis for 3d shape measurement.
本文提出一种基于数字条纹投影与数字相移技术的三维形面测量系统。
The basic principle of 3d measurement method based on digital phase-shifting and fringe projection techniques is illustrated in this paper.
文中阐述了基于数字相移条纹投影技术的三维测量方法的基本原理。
In this paper, we proposed a simple, fast, highly precise approach of geometric alignment based on the principle of inverse fringe projection.
本文提出一种基于反向条纹投影原理的,简单、快速、高精度的校准方法。
Inverse fringe projection technique is one of the fast and robust optical 3d shape inspection techniques, which is applied to online or batch inspection.
反向条纹投影技术是一种应用于在线或批量检测的快速而稳定的光学三维面形检测技术。
Correcting the distorted image of camera in calibration process of fringe projection measurement system that can effectively improve the calibration accuracy of system.
在条纹投射测量系统的标定过程中对摄像机畸变图像进行修正,能有效地提高系统的标定精度。
To register multiple range images, we present a method for the pose estimation of multiple viewpoints for three-dimensional digital imaging system based on fringe projection.
为校准多视场深度数据,提出基于条纹投影的三维数字成像系统的多视点姿态估计方法。
Based on the principle of demodulating the displacement of the projected fringes with digital image correlation method, a micro fringe projection correlation method is proposed.
基于数字图像相关法解调被物体高度调制的投影栅线平移量的原理,提出了显微栅线投影相关法的概念。
The system adopts digital phase-shifting and fringe projection techniques and its measurement has advantages of non-contact, the whole field, higher precision, and quite high speed.
该系统采用了数字相移条纹投影技术,测量具有非接触、全场、精度较高及快速等优点。
A simple calibration model was developed for digital fringe projection profilometry(DFPP) based on absolute phase extraction and space mapping techniques to simplify the measuring system.
建立了数字光栅投影轮廓测量系统的简易标定模型,以实现测量系统的简便化和便携式应用。
Through comparison of experiments using computer stimulation and a real object respectively, a conclusion is gotten that this method can improve precision of inverse fringe projection effectively.
计算机模拟和实物的对比实验表明,该方法能有效地提高反向条纹投影的精度。
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;
The shape measuring of a diffuse abject is conducted based on 2-D digital image processing phase modulated fringe pattern acquired by the projection of Ronchi rulings.
对投影光栅方法获得的位相调制空间载波图进行二维数字图象处理,实现了散射物体的三维曲面测量。
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 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。
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